Marcus Clauss - Publications

Affiliations: 
Vetsuisse Faculty Universität Zürich, Zürich, ZH, Switzerland 

381 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2023 Liesegang A, Burger B, de Vries de Heekelingen T, Schroeter-Vogt C, Hatt JM, Kowalewski MP, Clauss M. Rabbits (Oryctolagus cuniculus) increase caecal calcium absorption at increasing dietary calcium levels. Journal of Animal Physiology and Animal Nutrition. PMID 37664966 DOI: 10.1111/jpn.13880  0.52
2023 Green DR, Winkler DE, Leichliter J, Harms GS, Hatt JM, Clauss M, Tütken T. Formation and Replacement of Bone And Tooth Mineralized Tissues in Green Iguanas (Iguana Iguana) Revealed by In-Vivo Fluorescence Marking. Integrative and Comparative Biology. PMID 37475667 DOI: 10.1093/icb/icad089  0.507
2023 De Cuyper A, Strubbe D, Clauss M, Lens L, Zedrosser A, Steyaert S, Verbist L, Janssens GPJ. Nutrient intake and its possible drivers in free-ranging European brown bears (). Ecology and Evolution. 13: e10156. PMID 37261316 DOI: 10.1002/ece3.10156  0.389
2023 Martin LF, Codron D, Winkler DE, Tütken T, Hatt JM, Clauss M. Macroscopic dental measures in guinea pigs () fed natural and pelleted diets of different abrasiveness: implications for wear and compensatory growth in a hypselodont species. Journal of the Royal Society, Interface. 20: 20230012. PMID 37254702 DOI: 10.1098/rsif.2023.0012  0.652
2023 Clauss M, Codron D, Hummel J. Equid nutritional physiology and behavior: an evolutionary perspective. Journal of Equine Veterinary Science. 104265. PMID 36893821 DOI: 10.1016/j.jevs.2023.104265  0.326
2023 Zhang X, Li Y, Terranova M, Ortmann S, Kehraus S, Gerspach C, Kreuzer M, Clauss M, Hummel J. A pilot investigation on the effect of induced saliva flow on digestive parameters in sheep, and a comparison with cattle. Journal of Animal Physiology and Animal Nutrition. PMID 36891877 DOI: 10.1111/jpn.13815  0.302
2023 Pfau F, Clauss M, Hummel J. Is there a difference in ruminal fermentation control between cattle and sheep? A meta-analytical test of a hypothesis on differential particle and fluid retention. Comparative Biochemistry and Physiology. Part a, Molecular & Integrative Physiology. 277: 111370. PMID 36646308 DOI: 10.1016/j.cbpa.2023.111370  0.322
2023 Armeni AA, Thompson R, Fischer T, Clauss M. SEASONAL FLUCTUATION OF FECAL CONSISTENCY IN ZOO-HOUSED MOOSE (). Journal of Zoo and Wildlife Medicine : Official Publication of the American Association of Zoo Veterinarians. 53: 785-790. PMID 36640080 DOI: 10.1638/2022-0033  0.345
2022 Valerio SO, Hummel J, Codron D, Hatt JM, Clauss M. The Ruminant sorting mechanism protects teeth from abrasives. Proceedings of the National Academy of Sciences of the United States of America. 119: e2212447119. PMID 36459638 DOI: 10.1073/pnas.2212447119  0.599
2022 Steiner N, Clauss M, Martin LF, Imper C, Meloro C, Duque-Correa MJ. No news from old drawings? Stomach anatomy in muroid rodents in relation to body size and ecology. Journal of Morphology. PMID 35830587 DOI: 10.1002/jmor.21496  0.311
2022 Duque-Correa MJ, Clauss M, Hoppe MI, Buyse K, Codron D, Meloro C, Edwards MS. Diet, habitat and flight characteristics correlate with intestine length in birds. Proceedings. Biological Sciences. 289: 20220675. PMID 35642364 DOI: 10.1098/rspb.2022.0675  0.379
2022 Fischer VL, Winkler DE, Głogowski R, Attin T, Hatt JM, Clauss M, Wegehaupt F. Species-specific enamel differences in hardness and abrasion resistance between the permanent incisors of cattle (Bos primigenius taurus) and the ever-growing incisors of nutria (Myocastor coypus). Plos One. 17: e0265237. PMID 35298510 DOI: 10.1371/journal.pone.0265237  0.549
2021 Hatt JM, Codron D, Richter H, Kircher PR, Hummel J, Clauss M. Preliminary evidence for a forestomach washing mechanism in llamas (). Mammalian Biology = Zeitschrift Fur Saugetierkunde. 101: 941-948. PMID 34924918 DOI: 10.1007/s42991-021-00142-1  0.627
2021 Martin LF, Ackermans NL, Richter H, Kircher P, Hummel J, Codron D, Clauss M, Hatt JM. Macrowear effects of external quartz abrasives of different size and concentration in rabbits (Oryctolagus cuniculus). Journal of Experimental Zoology. Part B, Molecular and Developmental Evolution. PMID 34813148 DOI: 10.1002/jez.b.23104  0.829
2021 Clauss M, Tschuor A, Codron D, Hummel J. Reticular contraction frequency and ruminal gas dome development in goats do not differ between grass and browse diets. Journal of Animal Physiology and Animal Nutrition. PMID 34791696 DOI: 10.1111/jpn.13663  0.335
2021 Winter N, Clauss M, Codron D, Hummel J, Müller J, Richter H, Kircher P, Hatt JM, Martin LF. Sand accumulation in the digestive tract of rabbits (Oryctolagus cuniculus) and guinea pigs (Cavia porcellus): The role of the appendix. Journal of Morphology. PMID 34689355 DOI: 10.1002/jmor.21423  0.624
2021 De Cuyper A, Winkler DE, Tütken T, Bosch G, Hummel J, Kreuzer M, Muñoz Saravia A, Janssens GPJ, Clauss M. Digestion of bamboo compared to grass and lucerne in a small hindgut fermenting herbivore, the guinea pig (Cavia porcellus). Journal of Experimental Zoology. Part a, Ecological and Integrative Physiology. PMID 34411456 DOI: 10.1002/jez.2538  0.354
2021 Ackermans NL, Winkler DE, Schulz-Kornas E, Kaiser TM, Martin LF, Hatt JM, Clauss M. Dental wear proxy correlation in a long-term feeding experiment on sheep (). Journal of the Royal Society, Interface. 18: 20210139. PMID 34283942 DOI: 10.1098/rsif.2021.0139  0.772
2021 Findeisen E, Südekum KH, Fritz J, Hummel J, Clauss M. Increasing food intake affects digesta retention, digestibility and gut fill but not chewing efficiency in domestic rabbits (Oryctolagus cuniculus). Journal of Experimental Zoology. Part a, Ecological and Integrative Physiology. 335: 614-622. PMID 34254468 DOI: 10.1002/jez.2505  0.325
2021 Roller M, Müller DWH, Bertelsen MF, Bingaman Lackey L, Hatt JM, Clauss M. The historical development of juvenile mortality and adult longevity in zoo-kept carnivores. Zoo Biology. PMID 34240465 DOI: 10.1002/zoo.21639  0.497
2021 Winkler DE, Clauss M, Rölle M, Schulz-Kornas E, Codron D, Kaiser TM, Tütken T. Dental microwear texture gradients in guinea pigs reveal that material properties of the diet affect chewing behaviour. The Journal of Experimental Biology. PMID 34124765 DOI: 10.1242/jeb.242446  0.373
2021 Martin LF, Ackermans NL, Tollefson TN, Kircher PR, Richter H, Hummel J, Codron D, Hatt JM, Clauss M. Tooth wear, growth and height in rabbits (Oryctolagus cuniculus) fed pelleted or extruded diets with or without added abrasives. Journal of Animal Physiology and Animal Nutrition. PMID 33982342 DOI: 10.1111/jpn.13565  0.84
2021 Findeisen E, Südekum KH, Hummel J, Clauss M. Increasing feed intake in domestic goats (Capra hircus): Measured effects on chewing intensity are probably driven by escape of few, large particles from the forestomach. Comparative Biochemistry and Physiology. Part a, Molecular & Integrative Physiology. 257: 110972. PMID 33940177 DOI: 10.1016/j.cbpa.2021.110972  0.306
2021 Naumova EI, Chistova TY, Zharova GK, Kam M, Khokhlova IS, Krasnov BR, Clauss M, Degen AA. Particle size reduction along the digestive tract of fat sand rats (Psammomys obesus) fed four chenopods. Journal of Comparative Physiology. B, Biochemical, Systemic, and Environmental Physiology. PMID 33738527 DOI: 10.1007/s00360-021-01357-x  0.351
2021 De Cuyper A, Clauss M, Lens L, Strubbe D, Zedrosser A, Steyaert S, Saravia AM, Janssens GPJ. Grading fecal consistency in an omnivorous carnivore, the brown bear: Abandoning the concept of uniform feces. Zoo Biology. PMID 33576553 DOI: 10.1002/zoo.21593  0.401
2021 Duque-Correa MJ, Codron D, Meloro C, McGrosky A, Schiffmann C, Edwards MS, Clauss M. Mammalian intestinal allometry, phylogeny, trophic level and climate. Proceedings. Biological Sciences. 288: 20202888. PMID 33563126 DOI: 10.1098/rspb.2020.2888  0.356
2021 Leichliter JN, Lüdecke T, Foreman AD, Duprey NN, Winkler DE, Kast ER, Vonhof H, Sigman DM, Haug GH, Clauss M, Tütken T, Martínez-García A. Nitrogen isotopes in tooth enamel record diet and trophic level enrichment: Results from a controlled feeding experiment Chemical Geology. 563: 120047. DOI: 10.1016/j.chemgeo.2020.120047  0.316
2020 Clauss M, Trümpler J, Ackermans NL, Kitchener AC, Hantke G, Stagegaard J, Takano T, Shintaku Y, Matsuda I. Intraspecific macroscopic digestive anatomy of ring-tailed lemurs (Lemur catta), including a comparison of frozen and formalin-stored specimens. Primates; Journal of Primatology. PMID 33180215 DOI: 10.1007/s10329-020-00873-8  0.798
2020 Heldstab SA, van Schaik CP, Müller DWH, Rensch E, Lackey LB, Zerbe P, Hatt JM, Clauss M, Matsuda I. Reproductive seasonality in primates: patterns, concepts and unsolved questions. Biological Reviews of the Cambridge Philosophical Society. PMID 32964610 DOI: 10.1111/Brv.12646  0.595
2020 Winkler DE, Tütken T, Schulz-Kornas E, Kaiser TM, Müller J, Leichliter J, Weber K, Hatt JM, Clauss M. Shape, size, and quantity of ingested external abrasives influence dental microwear texture formation in guinea pigs. Proceedings of the National Academy of Sciences of the United States of America. PMID 32839331 DOI: 10.1073/Pnas.2008149117  0.663
2020 Hohl CJM, Codron D, Kaiser TM, Martin LF, Müller DWH, Hatt JM, Clauss M. Chewing, dental morphology and wear in tapirs (Tapirus spp.) and a comparison of free-ranging and captive specimens. Plos One. 15: e0234826. PMID 32542033 DOI: 10.1371/Journal.Pone.0234826  0.614
2020 Hejcmanová P, Ortmann S, Stoklasová L, Clauss M. Digesta passage in common eland (Taurotragus oryx) on a monocot or a dicot diet. Comparative Biochemistry and Physiology. Part a, Molecular & Integrative Physiology. 246: 110720. PMID 32387134 DOI: 10.1016/J.Cbpa.2020.110720  0.476
2020 De Cuyper A, Winkler D, Tütken T, Janssens GPJ, Clauss M. Fatty Acids of Microbial Origin in the Perirenal Fat of Rats (Rattus norvegicus domestica) and Guinea Pigs (Cavia porcellus) Fed Various Diets. Lipids. 55: 341-351. PMID 32343435 DOI: 10.1002/Lipd.12240  0.439
2020 Ackermans NL, Martin LF, Codron D, Kircher PR, Richter H, Clauss M, Hatt JM. Confirmation of a Wear-Compensation Mechanism in Dental Roots of Ruminants. Anatomical Record (Hoboken, N.J. : 2007). PMID 32314555 DOI: 10.1002/Ar.24402  0.829
2020 De Cuyper A, Meloro C, Abraham AJ, Müller DWH, Codron D, Janssens GPJ, Clauss M. The uneven weight distribution between predators and prey: Comparing gut fill between terrestrial herbivores and carnivores. Comparative Biochemistry and Physiology. Part a, Molecular & Integrative Physiology. 110683. PMID 32097716 DOI: 10.1016/J.Cbpa.2020.110683  0.446
2020 Clauss M, Dittmann MT, Vendl C, Hagen KB, Frei S, Ortmann S, Müller DWH, Hammer S, Munn AJ, Schwarm A, Kreuzer M. Review: Comparative methane production in mammalian herbivores. Animal : An International Journal of Animal Bioscience. 14: s113-s123. PMID 32024568 DOI: 10.1017/S1751731119003161  0.308
2020 Schmid NS, Clauss M, Hetzel U, Riond B, Bochmann M, Hatt JM. Development, diagnosis and therapy of ketosis in non-gravid and non-lactating Guinea pigs. Bmc Veterinary Research. 16: 41. PMID 32013972 DOI: 10.1186/S12917-020-2257-2  0.57
2020 Ackermans NL, Winkler DE, Martin LF, Kaiser TM, Clauss M, Hatt JM. Dust and grit matter: abrasives of different size lead to opposing dental microwear textures in experimentally fed sheep (). The Journal of Experimental Biology. PMID 31953361 DOI: 10.1242/Jeb.220442  0.829
2020 Clauss M, Frei S, Hatt JM, Kreuzer M. Methane emissions of geese (Anser anser) and turkeys (Meleagris gallopavo) fed pelleted lucerne. Comparative Biochemistry and Physiology. Part a, Molecular & Integrative Physiology. 242: 110651. PMID 31923627 DOI: 10.1016/J.Cbpa.2020.110651  0.555
2020 Wendler P, Ertl N, Flügger M, Sós E, Torgerson P, Paul Heym P, Schiffmann C, Clauss M, Hatt JM. Influencing factors on the foot health of captive Asian elephants (Elephas maximus) in European zoos. Zoo Biology. 39: 109-120. PMID 31750965 DOI: 10.1002/Zoo.21528  0.555
2020 Schiffmann C, Clauss M, Hoby S, Hatt JM. Weigh and see-Body mass recordings versus body condition scoring in European zoo elephants (Loxodonta africana and Elephas maximus). Zoo Biology. 39: 97-108. PMID 31737945 DOI: 10.1002/Zoo.21525  0.575
2020 Ertl N, Wendler P, Sós E, Flügger M, Schneeweis F, Schiffmann C, Hatt J, Clauss M. Theory of medical scoring systems and a practical method to evaluate Asian elephant (Elephas maximus) foot health in European zoos Animal Welfare. 29: 163-176. DOI: 10.7120/09627286.29.2.163  0.484
2020 Weber M, Tacail T, Lugli F, Clauss M, Weber K, Leichliter J, Winkler DE, Mertz-Kraus R, Tütken T. Strontium Uptake and Intra-Population 87Sr/86Sr Variability of Bones and Teeth—Controlled Feeding Experiments With Rodents (Rattus norvegicus, Cavia porcellus) Frontiers in Ecology and Evolution. 8. DOI: 10.3389/fevo.2020.569940  0.339
2020 Winkler DE, Schulz-Kornas E, Kaiser TM, Codron D, Leichliter J, Hummel J, Martin LF, Clauss M, Tütken T. The turnover of dental microwear texture: Testing the” last supper” effect in small mammals in a controlled feeding experiment Palaeogeography, Palaeoclimatology, Palaeoecology. 557: 109930. DOI: 10.1016/J.Palaeo.2020.109930  0.466
2020 Martin LF, Krause L, Ulbricht A, Winkler DE, Codron D, Kaiser TM, Müller J, Hummel J, Clauss M, Hatt J, Schulz-Kornas E. Dental wear at macro- and microscopic scale in rabbits fed diets of different abrasiveness: A pilot investigation Palaeogeography, Palaeoclimatology, Palaeoecology. 556: 109886. DOI: 10.1016/J.Palaeo.2020.109886  0.689
2020 Ackermans NL, Martin LF, Codron D, Hummel J, Kircher PR, Richter H, Kaiser TM, Clauss M, Hatt J. Mesowear represents a lifetime signal in sheep (Ovis aries) within a long-term feeding experiment Palaeogeography, Palaeoclimatology, Palaeoecology. 553: 109793. DOI: 10.1016/J.Palaeo.2020.109793  0.829
2020 Schulz-Kornas E, Winkler DE, Clauss M, Carlsson J, Ackermans NL, Martin LF, Hummel J, Müller DWH, Hatt J, Kaiser TM. Everything matters: Molar microwear texture in goats (Capra aegagrus hircus) fed diets of different abrasiveness Palaeogeography, Palaeoclimatology, Palaeoecology. 552: 109783. DOI: 10.1016/J.Palaeo.2020.109783  0.83
2020 Hatt J, Codron D, Ackermans NL, Martin LF, Richter H, Kircher PR, Gerspach C, Hummel J, Clauss M. The effect of the rumen washing mechanism in sheep differs with concentration and size of abrasive particles Palaeogeography, Palaeoclimatology, Palaeoecology. 550: 109728. DOI: 10.1016/J.Palaeo.2020.109728  0.813
2020 Denninger TM, Schwarm A, Birkinshaw A, Terranova M, Dohme-Meier F, Münger A, Eggerschwiler L, Bapst B, Wegmann S, Clauss M, Kreuzer M. Immediate effect of Acacia mearnsii tannins on methane emissions and milk fatty acid profiles of dairy cows Animal Feed Science and Technology. 261: 114388. DOI: 10.1016/J.Anifeedsci.2019.114388  0.369
2019 Wendler P, Ertl N, Flügger M, Sós E, Schiffmann C, Clauss M, Hatt JM. FOOT HEALTH OF ASIAN ELEPHANTS () IN EUROPEAN ZOOS. Journal of Zoo and Wildlife Medicine : Official Publication of the American Association of Zoo Veterinarians. 50: 513-527. PMID 33517620 DOI: 10.1638/2018-0228  0.524
2019 Martin LF, Winkler D, Tütken T, Codron D, De Cuyper A, Hatt JM, Clauss M. The way wear goes: phytolith-based wear on the dentine-enamel system in guinea pigs (). Proceedings. Biological Sciences. 286: 20191921. PMID 31594498 DOI: 10.1098/Rspb.2019.1921  0.63
2019 Przybyło M, Clauss M, Ortmann S, Kowalski ZM, Górka P. The effect of fructose supplementation on feed intake, nutrient digestibility and digesta retention time in Reeves's muntjac (Muntiacus reevesi). Journal of Animal Physiology and Animal Nutrition. 103: 1684-1693. PMID 31441143 DOI: 10.1111/Jpn.13188  0.361
2019 Matsuda I, Chapman CA, Clauss M. Colobine forestomach anatomy and diet. Journal of Morphology. PMID 31424606 DOI: 10.1002/Jmor.21052  0.44
2019 McGrosky A, Meloro C, Navarrete A, Heldstab SA, Kitchener AC, Isler K, Clauss M. Gross intestinal morphometry and allometry in primates. American Journal of Primatology. e23035. PMID 31318083 DOI: 10.1002/Ajp.23035  0.438
2019 McGrosky A, Codron D, Müller DWH, Navarrete A, Isler K, Hofmann RR, Clauss M. Gross intestinal morphometry and allometry in ruminants. Journal of Morphology. PMID 31241799 DOI: 10.1002/Jmor.21028  0.416
2019 Clauss M. Phylogenetic signal in tooth wear? A question that can be answered-By testing. Ecology and Evolution. 9: 6170-6171. PMID 31236210 DOI: 10.1002/Ece3.5214  0.407
2019 Przybyło M, Hummel J, Ortmann S, Codron D, Kohlschein GM, Kilga D, Smithyman J, Przybyło U, Świerk S, Hammer S, Hatt JM, Górka P, Clauss M. Digesta passage in nondomestic ruminants: Separation mechanisms in 'moose-type' and 'cattle-type' species, and seemingly atypical browsers. Comparative Biochemistry and Physiology. Part a, Molecular & Integrative Physiology. PMID 31220621 DOI: 10.1016/J.Cbpa.2019.06.010  0.618
2019 Sponheimer M, Clauss M, Codron D. Dietary Evolution: The Panda Paradox. Current Biology : Cb. 29: R417-R419. PMID 31163146 DOI: 10.1016/J.Cub.2019.04.045  0.343
2019 Clauss M, Hagen KB, Frei S, Ortmann S, Lawrenz A, Głogowski R, Fritz J, Flach E, Kreuzer M. Digestive anatomy, physiology, resting metabolism and methane production of captive maras (Dolichotis patagonum). Comparative Biochemistry and Physiology. Part a, Molecular & Integrative Physiology. PMID 31146020 DOI: 10.1016/J.Cbpa.2019.05.023  0.372
2019 Matsuda I, Espinosa-Gómez FC, Ortmann S, Sha JCM, Osman I, Nijboer J, Schwarm A, Ikeda T, Clauss M. Retention marker excretion suggests incomplete digesta mixing across the order primates. Physiology & Behavior. 112558. PMID 31125579 DOI: 10.1016/J.Physbeh.2019.112558  0.384
2019 Hatt JM, Kummrow M, Wenger S, Clauss M. Orchiectomy in species: technical aspects and effect on courtship behaviour. The Veterinary Record. 184: 555. PMID 30878949 DOI: 10.1136/Vr.105095  0.575
2019 Schulz-Kornas E, Stuhlträger J, Clauss M, Wittig RM, Kupczik K. Dust affects chewing efficiency and tooth wear in forest dwelling Western chimpanzees (Pan troglodytes verus). American Journal of Physical Anthropology. PMID 30821351 DOI: 10.1002/Ajpa.23808  0.4
2019 Kiani A, Clauss M, Ortmann S, Vendl C, Congdon ER, Herrera EA, Kreuzer M, Schwarm A. Digestive physiology of captive capybara (Hydrochoerus hydrochaeris). Zoo Biology. PMID 30623974 DOI: 10.1002/Zoo.21472  0.336
2019 Ehrlich C, Codron D, Hofmann RR, Hummel J, Clauss M. Comparative omasum anatomy in ruminants: Relationships with natural diet, digestive physiology, and general considerations on allometric investigations. Journal of Morphology. 280: 259-277. PMID 30615226 DOI: 10.1002/Jmor.20942  0.462
2019 Winkler DE, Schulz-Kornas E, Kaiser TM, De Cuyper A, Clauss M, Tütken T. Forage silica and water content control dental surface texture in guinea pigs and provide implications for dietary reconstruction. Proceedings of the National Academy of Sciences of the United States of America. PMID 30606800 DOI: 10.1073/Pnas.1814081116  0.409
2019 Stauffer JB, Clauss M, Müller DWH, Hatt J, Ackermans NL. Testing Inner-Mesowear III on Goats (Capra aegagrus hircus) Fed Experimental Diets Annales Zoologici Fennici. 56: 85-91. DOI: 10.5735/086.056.0108  0.813
2019 Hagen KB, Hammer S, Frei S, Ortmann S, Glogowski R, Kreuzer M, Clauss M. Digestive physiology, resting metabolism and methane production of captive Indian crested porcupine ( Hystrix indica ) Journal of Animal and Feed Sciences. 28: 69-77. DOI: 10.22358/Jafs/102741/2019  0.398
2019 Schiffmann C, Clauss M, Hoby S, Codron D, Hatt J. Body Condition Scores (BCS) in European zoo elephants (Loxodonta africana and Elephas maximus) lifetimes – a longitudinal analysis Journal of Zoo and Aquarium Research. 7: 74-86. DOI: 10.19227/Jzar.V7I2.375  0.579
2019 Cuyper AD, Clauss M, Carbone C, Codron D, Cools A, Hesta M, Janssens GPJ. Predator size and prey size–gut capacity ratios determine kill frequency and carcass production in terrestrial carnivorous mammals Oikos. 128: 13-22. DOI: 10.1111/Oik.05488  0.369
2019 Pucora E, Schiffmann C, Clauss M. Resting postures in terrestrial mammalian herbivores Journal of Mammalogy. 100: 552-563. DOI: 10.1093/Jmammal/Gyz044  0.37
2019 Ackermans NL, Martin LF, Hummel J, Müller DWH, Clauss M, Hatt J. Feeding selectivity for diet abrasiveness in sheep and goats Small Ruminant Research. 175: 160-164. DOI: 10.1016/J.Smallrumres.2019.05.002  0.829
2019 Hatt J, Codron D, Müller DWH, Ackermans NL, Martin LF, Kircher PR, Hummel J, Clauss M. The rumen washes off abrasives before heavy-duty chewing in ruminants Mammalian Biology. 97: 104-111. DOI: 10.1016/J.Mambio.2019.06.001  0.813
2019 Schiffmann C, Hatt J, Hoby S, Codron D, Clauss M. Elephant body mass cyclicity suggests effect of molar progression on chewing efficiency Mammalian Biology. 96: 81-86. DOI: 10.1016/J.Mambio.2018.12.004  0.609
2019 Tidière M, Duncan P, Lemaître J, Gaillard J, Lackey LB, Müller DWH, Clauss M. Do Equids Live longer than Grazing Bovids Journal of Mammalian Evolution. 1-8. DOI: 10.1007/S10914-019-09483-8  0.339
2019 Derix J, Ortmann S, Wiegmann L, Lawrenz A, Janssens GPJ, Clauss M. Retention of solutes and particles in the gastrointestinal tract of a grazing cervid: Père David’s deer (Elaphurus davidianus) European Journal of Wildlife Research. 65: 46. DOI: 10.1007/S10344-019-1288-0  0.337
2019 Hagen KB, Frei S, Ortmann S, Głogowski R, Kreuzer M, Clauss M. Digestive efficiency, digesta passage, resting metabolism and methane production in captive juvenile nutria (Myocastor coypus) European Journal of Wildlife Research. 65: 2-9. DOI: 10.1007/S10344-018-1239-1  0.322
2019 Codron D, Hofmann RR, Clauss M. Morphological and physiological adaptations for browsing and grazing Ecological Studies. 81-125. DOI: 10.1007/978-3-030-25865-8_4  0.438
2018 Falcón W, Furrer S, Bauert M, Hatt JM, Hansen DM, Clauss M. Evaluation of artificial heating sources for the thermoregulation of Aldabra giant tortoises (Aldabrachelys gigantea) in Zurich zoo. Zoo Biology. 37: 458-465. PMID 30548885 DOI: 10.1002/Zoo.21449  0.504
2018 Ackermans NL, Clauss M, Winkler DE, Schulz-Kornas E, Kaiser TM, Müller DWH, Kircher PR, Hummel J, Hatt JM. Root growth compensates for molar wear in adult goats (Capra aegagrus hircus). Journal of Experimental Zoology. Part a, Ecological and Integrative Physiology. PMID 30511369 DOI: 10.1002/Jez.2248  0.819
2018 Ackermans NL, Winkler DE, Schulz-Kornas E, Kaiser TM, Müller DWH, Kircher PR, Hummel J, Clauss M, Hatt JM. Controlled feeding experiments with diets of different abrasiveness reveal slow development of mesowear signal in goats (). The Journal of Experimental Biology. PMID 30194251 DOI: 10.1242/Jeb.186411  0.827
2018 Aldrigui LG, Filho SLGN, Mendes A, Altino VS, Ortmann S, da Cunha Nogueira SS, Clauss M. Effect of different feeding regimes on cecotrophy behavior and retention of solute and particle markers in the digestive tract of paca (Cuniculus paca). Comparative Biochemistry and Physiology. Part a, Molecular & Integrative Physiology. PMID 30165242 DOI: 10.1016/J.Cbpa.2018.08.013  0.436
2018 Thiry V, Clauss M, Stark DJ, Beudels-Jamar RC, Vercauteren Drubbel R, Nathan SKSS, Goossens B, Vercauteren M. Faecal Particle Size in Free-Ranging Proboscis Monkeys, Nasalis larvatus: Variation between Seasons. Folia Primatologica; International Journal of Primatology. 89: 327-334. PMID 30114703 DOI: 10.1159/000490794  0.409
2018 Guerra Aldrigui L, Nogueira-Filho SLG, Altino VS, Mendes A, Clauss M, Nogueira SSDC. Direct and indirect caecotrophy behaviour in paca (Cuniculus paca). Journal of Animal Physiology and Animal Nutrition. PMID 30006982 DOI: 10.1111/Jpn.12961  0.413
2018 Hayakawa T, Nathan SKSS, Stark DJ, Saldivar DAR, Sipangkui R, Goossens B, Tuuga A, Clauss M, Sawada A, Fukuda S, Imai H, Matsuda I. First report of foregut microbial community in proboscis monkeys: Are diverse forests a reservoir for diverse microbiomes? Environmental Microbiology Reports. PMID 29992728 DOI: 10.1111/1758-2229.12677  0.322
2018 Glogowski R, Pérez W, Clauss M. Body size and gastrointestinal morphology of nutria (Myocastor coypus) reared on an extensive or intensive feeding regime. Journal of Animal Science. PMID 29912430 DOI: 10.1093/Jas/Sky241  0.346
2018 Heldstab SA, Müller DWH, Graber SM, Bingaman Lackey L, Rensch E, Hatt JM, Zerbe P, Clauss M. Geographical Origin, Delayed Implantation, and Induced Ovulation Explain Reproductive Seasonality in the Carnivora. Journal of Biological Rhythms. 748730418773620. PMID 29730962 DOI: 10.1177/0748730418773620  0.568
2018 Codron D, Clauss M, Codron J, Tütken T. Within trophic level shifts in collagen-carbonate stable carbon isotope spacing are propagated by diet and digestive physiology in large mammal herbivores. Ecology and Evolution. 8: 3983-3995. PMID 29721273 DOI: 10.1002/Ece3.3786  0.419
2018 Schiffmann C, Hoby S, Wenker C, Hård T, Scholz R, Clauss M, Hatt JM. When elephants fall asleep: A literature review on elephant rest with case studies on elephant falling bouts, and practical solutions for zoo elephants. Zoo Biology. 37: 133-145. PMID 29600558 DOI: 10.1002/Zoo.21406  0.522
2018 Tahas SA, Hetzel U, Altenbrunner-Martinek B, Martin Jurado O, Hammer S, Arif A, Hatt JM, Clauss M. Microanatomy of the digestive tract, hooves and some visceral organs of addax antelope (Addax nasomaculatus) following a concentrate or forage feeding regime. Anatomia, Histologia, Embryologia. PMID 29520834 DOI: 10.1111/Ahe.12351  0.641
2018 Falcón W, Baxter RP, Furrer S, Bauert M, Hatt JM, Schaepman-Strub G, Ozgul A, Bunbury N, Clauss M, Hansen DM. Patterns of activity and body temperature of Aldabra giant tortoises in relation to environmental temperature. Ecology and Evolution. 8: 2108-2121. PMID 29468029 DOI: 10.1002/Ece3.3766  0.514
2018 De Cuyper A, Clauss M, Hesta M, Cools A, Bosch G, Hendriks WH, Janssens GPJ. Are carnivore digestive separation mechanisms revealed on structure-rich diets?: Faecal inconsistency in dogs (Canis familiaris) fed day old chicks. Plos One. 13: e0192741. PMID 29432482 DOI: 10.1371/Journal.Pone.0192741  0.496
2018 Grandl F, Schwarm A, Ortmann S, Furger M, Kreuzer M, Clauss M. Kinetics of solutes and particles of different size in the digestive tract of cattle of 0.5-10 years of age, and relationships with methane production. Journal of Animal Physiology and Animal Nutrition. 102: 639-651. PMID 29286177 DOI: 10.1111/Jpn.12862  0.398
2018 Cuyper AD, Hesta M, Tibosch S, Wanke C, Clauss M, Janssens GPJ. How does dietary particle size affect carnivore gastrointestinal transit: A dog model. Journal of Animal Physiology and Animal Nutrition. 102. PMID 29030884 DOI: 10.1111/Jpn.12803  0.42
2018 Hummel J, Scheurich F, Ortmann S, Crompton LA, Gerken M, Clauss M. Comparative selective retention of particle size classes in the gastrointestinal tract of ponies and goats. Journal of Animal Physiology and Animal Nutrition. 102: 429-439. PMID 28696048 DOI: 10.1111/Jpn.12763  0.324
2018 Laube A, Altherr B, Clauss M, Hatt J. Reference Intervals for Bile Acids and Protein Electrophoresis in Plasma of Captive Panther Chameleons (Furcifer pardalis): A First Approach Journal of Herpetological Medicine and Surgery. 28: 99-106. DOI: 10.5818/17-12-139.1  0.524
2018 Langer P, Clauss M. Morphological adaptation of the eutherian gastrointestinal tract to diet Vertebrate Zoology. 68: 237-252. DOI: 10.5167/Uzh-157906  0.451
2018 Schiffmann C, Clauss M, Fernando P, Pastorini J, Wendler P, Ertl N, Hoby S, Hatt J. Body condition scores in European zoo elephants (Elephas maximus and Loxodonta africana): status quo and influencing factors Journal of Zoo and Aquarium Research. 6: 91-103. DOI: 10.19227/Jzar.V6I3.355  0.57
2018 Hufenus R, Schiffmann C, Hatt J, Müller DWH, Lackey LB, Clauss M, Zerbe P. Seasonality of reproduction in Asian elephants Elephas maximus and African elephants Loxodonta africana: underlying photoperiodic cueing? Mammal Review. 48: 261-276. DOI: 10.1111/Mam.12133  0.576
2018 Hagen KB, Müller DWH, Ortmann S, Kreuzer M, Clauss M. Digesta kinetics in two arvicoline rodents, the field vole (Microtus agrestis) and the steppe lemming (Lagurus lagurus) Mammalian Biology. 89: 71-78. DOI: 10.1016/J.Mambio.2018.01.003  0.388
2018 Heck L, Clauss M, Sánchez-Villagra MR. Do domesticated mammals selected for intensive production have less variable gestation periods Mammalian Biology. 88: 151-155. DOI: 10.1016/J.Mambio.2017.09.004  0.576
2017 Matsuda I, Bernard H, Tuuga A, Nathan SKSS, Sha JCM, Osman I, Sipangkui R, Seino S, Asano S, Wong A, Kreuzer M, Ramirez Saldivar DA, Clauss M. Fecal Nutrients Suggest Diets of Higher Fiber Levels in Free-Ranging than in Captive Proboscis Monkeys (Nasalis larvatus). Frontiers in Veterinary Science. 4: 246. PMID 29404345 DOI: 10.3389/Fvets.2017.00246  0.454
2017 Dittmann MT, Kreuzer M, Runge U, Clauss M. Ingestive mastication in horses resembles rumination but not ingestive mastication in cattle and camels. Journal of Experimental Zoology. Part a, Ecological and Integrative Physiology. 327: 98-109. PMID 29356397 DOI: 10.1002/Jez.2075  0.396
2017 Clauss M, Hatt JM. Evidence-Based Rabbit Housing and Nutrition. The Veterinary Clinics of North America. Exotic Animal Practice. 20: 871-884. PMID 28781038 DOI: 10.1016/J.Cvex.2017.04.006  0.586
2017 Grandl F, Zeitz JO, Clauss M, Furger M, Kreuzer M, Schwarm A. Evidence for increasing digestive and metabolic efficiency of energy utilization with age of dairy cattle as determined in two feeding regimes Animal. 12: 515-527. PMID 28735600 DOI: 10.1017/S1751731117001823  0.338
2017 Richard OK, Codron D, Hagen KB, Südekum KH, Clauss M. Little differences in digestive efficiency for protein and fat in mammals of different trophic guilds and digestive strategies: data constraints or fundamental functional similarity? Journal of Animal Physiology and Animal Nutrition. 101: 127-141. PMID 28627066 DOI: 10.1111/Jpn.12657  0.43
2017 Matsuda I, Chapman CA, Shi Physilia CY, Mun Sha JC, Clauss M. Primate Resting Postures: Constraints by Foregut Fermentation? Physiological and Biochemical Zoology : Pbz. 90: 383-391. PMID 28384427 DOI: 10.1086/691360  0.311
2017 Weary TE, Wrangham RW, Clauss M. Applying wet sieving fecal particle size measurement to frugivores: A case study of the eastern chimpanzee (Pan troglodytes schweinfurthii). American Journal of Physical Anthropology. PMID 28374441 DOI: 10.1002/Ajpa.23225  0.381
2017 Tahas SA, Martin Jurado O, Hammer S, Arif A, Reese S, Hatt JM, Clauss M. Gross Measurements of the Digestive Tract and Visceral Organs of Addax Antelope (Addax nasomaculatus) Following a Concentrate or Forage Feeding Regime. Anatomia, Histologia, Embryologia. PMID 28295511 DOI: 10.1111/Ahe.12268  0.686
2017 Matsuda I, Clauss M, Tuuga A, Sugau J, Hanya G, Yumoto T, Bernard H, Hummel J. Factors Affecting Leaf Selection by Foregut-fermenting Proboscis Monkeys: New Insight from in vitro Digestibility and Toughness of Leaves. Scientific Reports. 7: 42774. PMID 28211530 DOI: 10.1038/Srep42774  0.383
2017 Frei S, Ortmann S, Kreuzer M, Hatt JM, Clauss M. Digesta retention patterns in geese (Anser anser) and turkeys (Meleagris gallopavo) and deduced function of avian caeca. Comparative Biochemistry and Physiology. Part a, Molecular & Integrative Physiology. 204: 219-227. PMID 27923709 DOI: 10.1016/J.Cbpa.2016.12.001  0.579
2017 Carisch L, Müller DW, Hatt JM, Bingaman Lackey L, Rensch EE, Clauss M, Zerbe P. Seasonal mortality in zoo ruminants. Zoo Biology. 36: 74-86. PMID 27862242 DOI: 10.1002/Zoo.21337  0.555
2017 Balsiger A, Clauss M, Liesegang A, Dobenecker B, Hatt J. Guinea pig (Cavia porcellus) drinking preferences: do nipple drinkers compensate for behaviourally deficient diets? Journal of Animal Physiology and Animal Nutrition. 101: 1046-1056. PMID 27450280 DOI: 10.1111/Jpn.12549  0.634
2017 Schiffmann C, Clauss M, Hoby S, Hatt J. Visual body condition scoring in zoo animals – composite, algorithm and overview approaches Journal of Zoo and Aquarium Research. 5: 1-10. DOI: 10.19227/Jzar.V5I1.252  0.556
2017 Clauss M, Hummel J. Physiological adaptations of ruminants and their potential relevance for production systems Revista Brasileira De Zootecnia. 46: 606-613. DOI: 10.1590/S1806-92902017000700008  0.366
2017 Pérez W, Lima M, Büker M, Clauss M. Gross anatomy of the stomach and intestine of an Antarctic minke whale (Balaenoptera bonaerensis) Mammalia. 81: 111-113. DOI: 10.1515/Mammalia-2015-0168  0.403
2017 Vendl C, Munn A, Leggett K, Clauss M. Merycism in western grey (Macropus fuliginosus) and red kangaroos (Macropus rufus) Mammalian Biology. 86: 21-26. DOI: 10.1016/J.Mambio.2017.03.005  0.421
2017 Heck L, Clauss M, Sánchez-Villagra MR. Gestation length variation in domesticated horses and its relation to breed and body size diversity Mammalian Biology. 84: 44-51. DOI: 10.1016/J.Mambio.2017.01.002  0.582
2017 Ramanzin M, Aguado MÁP, Ferragina A, Sturaro E, Semenzato P, Serrano E, Clauss M, Albanell E, Cassini R, Bittante G. Methodological considerations for the use of faecal nitrogen to assess diet quality in ungulates: The Alpine ibex as a case study Ecological Indicators. 82: 399-408. DOI: 10.1016/J.Ecolind.2017.06.050  0.378
2017 Hummel J, Hammer C, Hammer S, Südekum K, Müller DWH, Clauss M. Retention of solute and particle markers in the digestive tract of captive Somali wild asses (Equus africanus somaliensis) European Journal of Wildlife Research. 63: 41. DOI: 10.1007/S10344-017-1098-1  0.417
2016 Tidière M, Gaillard JM, Berger V, Müller DW, Bingaman Lackey L, Gimenez O, Clauss M, Lemaître JF. Comparative analyses of longevity and senescence reveal variable survival benefits of living in zoos across mammals. Scientific Reports. 6: 36361. PMID 27819303 DOI: 10.1038/Srep36361  0.314
2016 Clauss M, Nurutdinova I, Meloro C, Gunga HC, Jiang D, Koller J, Herkner B, Sander PM, Hellwich O. Reconstruction of body cavity volume in terrestrial tetrapods. Journal of Anatomy. PMID 27813090 DOI: 10.1111/Joa.12557  0.412
2016 Laube A, Pendl H, Clauss M, Altherr B, Hatt JM. PLASMA BIOCHEMISTRY AND HEMATOLOGY REFERENCE VALUES OF CAPTIVE PANTHER CHAMELEONS (FURCIFER PARDALIS) WITH SPECIAL EMPHASIS ON SEASONALITY AND GENDER DIFFERENCES. Journal of Zoo and Wildlife Medicine : Official Publication of the American Association of Zoo Veterinarians. 47: 743-753. PMID 27691946 DOI: 10.1638/2015-0161.1  0.537
2016 Hatt J, Clauss M. [Veterinary care of birds of prey: Development from 1985 to 2015]. Schweizer Archiv Fur Tierheilkunde. 158: 639-645. PMID 27655163 DOI: 10.17236/Sat00084  0.495
2016 Sauer C, Bertelsen MF, Lund P, Weisbjerg MR, Clauss M. Quantitative Macroscopic Anatomy of the Giraffe (Giraffa camelopardalis) Digestive Tract. Anatomia, Histologia, Embryologia. 45: 338-49. PMID 27593556 DOI: 10.1111/Ahe.12201  0.39
2016 Sauer C, Clauss M, Bertelsen MF, Weisbjerg MR, Lund P. Rumen content stratification in the giraffe (Giraffa camelopardalis). Comparative Biochemistry and Physiology. Part a, Molecular & Integrative Physiology. PMID 27593451 DOI: 10.1016/J.Cbpa.2016.08.033  0.377
2016 Wyss F, Müller J, Clauss M, Kircher P, Geyer H, von Rechenberg B, Hatt JM. Measuring Rabbit (Oryctolagus cuniculus) Tooth Growth and Eruption by Fluorescence Markers and Bur Marks. Journal of Veterinary Dentistry. 33: 39-46. PMID 27487654 DOI: 10.1177/0898756416640956  0.577
2016 Karme A, Rannikko J, Kallonen A, Clauss M, Fortelius M. Mechanical modelling of tooth wear. Journal of the Royal Society, Interface / the Royal Society. 13. PMID 27411727 DOI: 10.1098/Rsif.2016.0399  0.454
2016 Heidegger EM, von Houwald F, Steck B, Clauss M. Body condition scoring system for greater one-horned rhino (Rhinoceros unicornis): Development and application. Zoo Biology. 35: 432-443. PMID 27322390 DOI: 10.1002/Zoo.21307  0.382
2016 Clauss M, Fritz J, Tschuor A, Braun U, Hummel J, Codron D. Dry matter and digesta particle size gradients along the goat digestive tract on grass and browse diets. Journal of Animal Physiology and Animal Nutrition. PMID 27016403 DOI: 10.1111/Jpn.12505  0.494
2016 Grandl F, Amelchanka SL, Furger M, Clauss M, Zeitz JO, Kreuzer M, Schwarm A. Biological implications of longevity in dairy cows: 2. Changes in methane emissions and efficiency with age. Journal of Dairy Science. 99: 3472-3485. PMID 26923053 DOI: 10.3168/Jds.2015-10262  0.374
2016 Grandl F, Luzi SP, Furger M, Zeitz JO, Leiber F, Ortmann S, Clauss M, Kreuzer M, Schwarm A. Biological implications of longevity in dairy cows: 1. Changes in feed intake, feeding behavior, and digestion with age Journal of Dairy Science. 99: 3457-3471. PMID 26923042 DOI: 10.3168/Jds.2015-10261  0.421
2016 Hagen KB, Dittmann MT, Ortmann S, Kreuzer M, Hatt JM, Clauss M. Retention of solute and particle markers in the digestive tract of chinchillas (Chinchilla laniger) Journal of Animal Physiology and Animal Nutrition. 100: 801-806. PMID 26857102 DOI: 10.1111/Jpn.12441  0.608
2016 Argyriou T, Clauss M, Maxwell EE, Furrer H, Sánchez-Villagra MR. Exceptional preservation reveals gastrointestinal anatomy and evolution in early actinopterygian fishes. Scientific Reports. 6: 18758. PMID 26732746 DOI: 10.1038/Srep18758  0.586
2016 Pérez W, König HE, Jerbi H, Clauss M. Macroanatomical aspects of the gastrointestinal tract of the alpaca (Vicugna pacos Linnaeus, 1758) and dromedary (Camelus dromedarius Linnaeus, 1758) Vertebrate Zoology. 66: 419-425. DOI: 10.5167/Uzh-128745  0.313
2016 Hatt J, Clauss M. Tierärztliche Betreuung von Greifvögeln: Entwicklungen im Zeitraum von 1985 bis 2015 Schweizer Archiv Fur Tierheilkunde. 158: 639-645. DOI: 10.5167/Uzh-126615  0.479
2016 Gerstner K, Liesegang A, Hatt J, Clauss M, Galeffi C. Seasonal body mass changes and feed intake in spectacled bears (Tremarctos ornatus) at Zurich Zoological Garden Journal of Zoo and Aquarium Research. 4: 121-126. DOI: 10.5167/Uzh-125343  0.616
2016 Jerbi H, Bayoudh M, Clauss M, Pérez W. Gross anatomy of the stomach of the dorcas gazelle (Gazella Dorcas, Linnaeus, 1758) International Journal of Morphology. 34: 1266-1270. DOI: 10.4067/S0717-95022016000400015  0.374
2016 Codron D, Codron J, Sponheimer M, Clauss M. Within-Population Isotopic Niche Variability in Savanna Mammals: Disparity between Carnivores and Herbivores Frontiers in Ecology and Evolution. 4. DOI: 10.3389/Fevo.2016.00015  0.345
2016 Clark A, Silva-Fletcher A, Fox M, Kreuzer M, Clauss M. Survey of feeding practices, body condition and faeces consistency in captive ant-eating mammals in the UK Journal of Zoo and Aquarium Research. 4: 183-195. DOI: 10.19227/Jzar.V4I4.207  0.473
2016 Sauer C, Hammer C, Bertelsen MF, Tütken T, Clauss M, Hammer S. Quantitative macroscopic digestive tract anatomy of the beira (Dorcatragus megalotis) Journal of Zoo and Aquarium Research. 4: 174-179. DOI: 10.19227/Jzar.V4I4.194  0.392
2016 Gerstner K, Liesegang A, Hatt J, Clauss M, Galeffi C. Seasonal body mass changes and feed intake in spectacled bears (Tremarctos ornatus) at Zurich Zoo Journal of Zoo and Aquarium Research. 4: 121-126. DOI: 10.19227/Jzar.V4I3.181  0.617
2016 Dudley JP, Hang'Ombe BM, Leendertz FH, Dorward LJ, de Castro J, Subalusky AL, Clauss M. Carnivory in the common hippopotamus Hippopotamus amphibius: Implications for the ecology and epidemiology of anthrax in African landscapes Mammal Review. 46: 191-203. DOI: 10.1111/Mam.12056  0.353
2016 Clauss M, Stewart M, Price E, Peilon A, Savage T, Van Ekris I, Munn A. The effect of feed intake on digesta passage, digestive organ fill and mass, and digesta dry matter content in sheep (Ovis aries): Flexibility in digestion but not in water reabsorption Small Ruminant Research. 138: 12-19. DOI: 10.1016/J.Smallrumres.2016.03.029  0.44
2016 Zeitz JO, Ineichen S, Soliva CR, Leiber F, Tschuor A, Braun U, Kreuzer M, Clauss M. Variability in microbial population and fermentation traits at various sites within the forestomach and along the digestive tract as assessed in goats fed either grass or browse Small Ruminant Research. 136: 7-17. DOI: 10.1016/J.Smallrumres.2015.12.029  0.424
2016 McGrosky A, Navarrete A, Isler K, Langer P, Clauss M. Gross intestinal morphometry and allometry in Carnivora European Journal of Wildlife Research. 62: 395-405. DOI: 10.1007/S10344-016-1011-3  0.445
2016 Clauss M, Lischke A, Botha H, Hatt J. Carcass consumption by domestic rabbits (Oryctolagus cuniculus) European Journal of Wildlife Research. 62: 143-145. DOI: 10.1007/S10344-015-0980-Y  0.616
2016 Baker EJC, Clauss M, Clements KD. Selection and intake of algal species in butterfish (Odax pullus; Labridae) Marine Biology. 163: 136. DOI: 10.1007/S00227-016-2893-Z  0.443
2015 Meier AR, Schmuck U, Meloro C, Clauss M, Hofmann RR. Convergence of macroscopic tongue anatomy in ruminants and scaling relationships with body mass or tongue length. Journal of Morphology. PMID 26647882 DOI: 10.1002/Jmor.20501  0.452
2015 Vendl C, Clauss M, Stewart M, Leggett K, Hummel J, Kreuzer M, Munn A. Decreasing methane yield with increasing food intake keeps daily methane emissions constant in two foregut fermenting marsupials, the western grey kangaroo and red kangaroo. The Journal of Experimental Biology. 218: 3425-34. PMID 26538176 DOI: 10.1242/Jeb.128165  0.336
2015 Sauer C, Bertelsen MF, Hammer S, Lund P, Weisbjerg MR, Clauss M. Macroscopic digestive tract anatomy of two small antelopes, the blackbuck (Antilope cervicapra) and the Arabian sand gazelle (Gazella subgutturosa marica). Anatomia, Histologia, Embryologia. PMID 26514913 DOI: 10.1111/Ahe.12214  0.407
2015 Duggan G, Burn CC, Clauss M. Nocturnal behavior in captive giraffe (Giraffa camelopardalis)-a pilot study. Zoo Biology. PMID 26479272 DOI: 10.1002/Zoo.21248  0.313
2015 Hagen KB, Besselmann D, Cyrus-Eulenberger U, Vendl C, Ortmann S, Zingg R, Kienzle E, Kreuzer M, Hatt JM, Clauss M. Digestive physiology of the plains viscacha (Lagostomus maximus): A large herbivorous hystricomorph rodent. Zoo Biology. 34: 345-59. PMID 26473202 DOI: 10.1002/Zoo.21216  0.674
2015 Vendl C, Frei S, Dittmann MT, Furrer S, Ortmann S, Lawrenz A, Lange B, Munn A, Kreuzer M, Clauss M. Methane production by two non-ruminant foregut-fermenting herbivores: The collared peccary (Pecari tajacu) and the pygmy hippopotamus (Hexaprotodon liberiensis). Comparative Biochemistry and Physiology. Part a, Molecular & Integrative Physiology. 191: 107-114. PMID 26454225 DOI: 10.1016/J.Cbpa.2015.09.021  0.376
2015 Frei S, Hatt JM, Ortmann S, Kreuzer M, Clauss M. Comparative methane emission by ratites: Differences in food intake and digesta retention level out methane production. Comparative Biochemistry and Physiology. Part a, Molecular & Integrative Physiology. 188: 70-5. PMID 26123777 DOI: 10.1016/J.Cbpa.2015.06.022  0.58
2015 Vendl C, Frei S, Dittmann MT, Furrer S, Osmann C, Ortmann S, Munn A, Kreuzer M, Clauss M. Digestive physiology, metabolism and methane production of captive Linné's two-toed sloths (Choloepus didactylus). Journal of Animal Physiology and Animal Nutrition. PMID 26122705 DOI: 10.1111/Jpn.12356  0.425
2015 Matsuda I, Sha JC, Ortmann S, Schwarm A, Grandl F, Caton J, Jens W, Kreuzer M, Marlena D, Hagen KB, Clauss M. Excretion patterns of solute and different-sized particle passage markers in foregut-fermenting proboscis monkey (Nasalis larvatus) do not indicate an adaptation for rumination. Physiology & Behavior. 149: 45-52. PMID 26004169 DOI: 10.1016/J.Physbeh.2015.05.020  0.324
2015 Dittmann MT, Runge U, Ortmann S, Lang RA, Moser D, Galeffi C, Schwarm A, Kreuzer M, Clauss M. Digesta retention patterns of solute and different-sized particles in camelids compared with ruminants and other foregut fermenters. Journal of Comparative Physiology. B, Biochemical, Systemic, and Environmental Physiology. 185: 559-73. PMID 25921796 DOI: 10.1007/S00360-015-0904-X  0.333
2015 Hagen KB, Tschudin A, Liesegang A, Hatt JM, Clauss M. Organic matter and macromineral digestibility in domestic rabbits (Oryctolagus cuniculus) as compared to other hindgut fermenters. Journal of Animal Physiology and Animal Nutrition. PMID 25857396 DOI: 10.1111/Jpn.12323  0.623
2015 Dittmann MT, Hummel J, Hammer S, Arif A, Hebel C, Müller DW, Fritz J, Steuer P, Schwarm A, Kreuzer M, Clauss M. Digesta kinetics in gazelles in comparison to other ruminants: Evidence for taxon-specific rumen fluid throughput to adjust digesta washing to the natural diet. Comparative Biochemistry and Physiology. Part a, Molecular & Integrative Physiology. 185: 58-68. PMID 25637787 DOI: 10.1016/J.Cbpa.2015.01.013  0.434
2015 Clauss M, Steuer P, Erlinghagen-Lückerath K, Kaandorp J, Fritz J, Südekum KH, Hummel J. Faecal particle size: digestive physiology meets herbivore diversity. Comparative Biochemistry and Physiology. Part a, Molecular & Integrative Physiology. 179: 182-91. PMID 25446938 DOI: 10.1016/J.Cbpa.2014.10.006  0.449
2015 Frei S, Dittmann MT, Reutlinger C, Ortmann S, Hatt JM, Kreuzer M, Clauss M. Methane emission by adult ostriches (Struthio camelus). Comparative Biochemistry and Physiology. Part a, Molecular & Integrative Physiology. 180: 1-5. PMID 25446146 DOI: 10.1016/J.Cbpa.2014.10.019  0.59
2015 Müller J, Clauss M, Codron D, Schulz E, Hummel J, Kircher P, Hatt JM. Tooth length and incisal wear and growth in guinea pigs (Cavia porcellus) fed diets of different abrasiveness. Journal of Animal Physiology and Animal Nutrition. 99: 591-604. PMID 25041439 DOI: 10.1111/Jpn.12226  0.677
2015 Gull JM, Stahl M, Osmann C, Ortmann S, Kreuzer M, Hatt JM, Clauss M. Digestive physiology of captive giant anteaters (Myrmecophaga tridactyla): determinants of faecal dry matter content. Journal of Animal Physiology and Animal Nutrition. 99: 565-76. PMID 25041215 DOI: 10.1111/Jpn.12223  0.658
2015 Frei S, Ortmann S, Reutlinger C, Kreuzer M, Hatt JM, Clauss M. Comparative digesta retention patterns in ratites Auk. 132: 119-131. DOI: 10.1642/Auk-14-144.1  0.636
2015 Munn AJ, Stewart M, Price E, Peilon A, Savage T, Ekris Iv, Clauss M. Comparison of gut fill in sheep (Ovis aries) measured by intake, digestibility, and digesta retention compared with measurements at harvest Canadian Journal of Zoology. 93: 747-753. DOI: 10.1139/Cjz-2014-0314  0.364
2015 Dittmann MT, Hebel C, Arif A, Kreuzer M, Clauss M. Metabolic rates of three gazelle species (Nanger soemmerringii, Gazella gazella, Gazella spekei) adapted to arid habitats Mammalian Biology. 80: 390-394. DOI: 10.1016/J.Mambio.2015.05.008  0.344
2015 Frei S, Hatt JM, Ortmann S, Kreuzer M, Clauss M. Comparative methane emission by ratites: Differences in food intake and digesta retention level out methane production Comparative Biochemistry and Physiology -Part a : Molecular and Integrative Physiology. 188: 70-75. DOI: 10.1016/j.cbpa.2015.06.022  0.496
2015 Meloro C, Clauss M, Raia P. Ecomorphology of Carnivora challenges convergent evolution Organisms Diversity & Evolution. 15: 711-720. DOI: 10.1007/S13127-015-0227-5  0.38
2015 Hagen KB, Besselmann D, Cyrus-Eulenberger U, Vendl C, Ortmann S, Zingg R, Kienzle E, Kreuzer M, Hatt JM, Clauss M. Digestive physiology of the plains viscacha (Lagostomus maximus): A large herbivorous hystricomorph rodent Zoo Biology. DOI: 10.1002/zoo.21216  0.53
2014 Gull JM, Hebel C, Deb A, Arif A, Clauss M, Hatt JM, Hammer S. Blood values of captive beira antelope (Dorcatragus megalotis) prior to and during an outbreak of fibrinous pleuropneumonia syndrome (FPPS). Journal of Zoo and Wildlife Medicine : Official Publication of the American Association of Zoo Veterinarians. 45: 735-43. PMID 25632657 DOI: 10.1638/2013-0073.1  0.517
2014 Taylor LA, Müller DW, Schwitzer C, Kaiser TM, Castell JC, Clauss M, Schulz-Kornas E. Comparative analyses of tooth wear in free-ranging and captive wild equids. Equine Veterinary Journal. PMID 25557934 DOI: 10.1111/Evj.12408  0.395
2014 Tidière M, Gaillard JM, Müller DW, Lackey LB, Gimenez O, Clauss M, Lemaître JF. Males do not senesce faster in large herbivores with highly seasonal rut. Experimental Gerontology. 60: 167-72. PMID 25446981 DOI: 10.1016/J.Exger.2014.11.003  0.36
2014 Carbone C, Codron D, Scofield C, Clauss M, Bielby J. Geometric factors influencing the diet of vertebrate predators in marine and terrestrial environments. Ecology Letters. 17: 1553-9. PMID 25265992 DOI: 10.1111/Ele.12375  0.385
2014 Gattiker C, Espie I, Kotze A, Lane EP, Codron D, Clauss M. Diet and diet-related disorders in captive ruminants at the national zoological gardens of South Africa. Zoo Biology. 33: 426-32. PMID 25059915 DOI: 10.1002/Zoo.21150  0.512
2014 Venkataraman VV, Glowacka H, Fritz J, Clauss M, Seyoum C, Nguyen N, Fashing PJ. Effects of dietary fracture toughness and dental wear on chewing efficiency in geladas (Theropithecus gelada). American Journal of Physical Anthropology. 155: 17-32. PMID 25043998 DOI: 10.1002/Ajpa.22571  0.377
2014 Dittmann MT, Runge U, Lang RA, Moser D, Galeffi C, Kreuzer M, Clauss M. Methane emission by camelids. Plos One. 9: e94363. PMID 24718604 DOI: 10.1371/Journal.Pone.0094363  0.367
2014 Müller J, Clauss M, Codron D, Schulz E, Hummel J, Fortelius M, Kircher P, Hatt JM. Growth and wear of incisor and cheek teeth in domestic rabbits (Oryctolagus cuniculus) fed diets of different abrasiveness. Journal of Experimental Zoology. Part a, Ecological Genetics and Physiology. 321: 283-98. PMID 24700486 DOI: 10.1002/Jez.1864  0.67
2014 Matsuda I, Akiyama Y, Tuuga A, Bernard H, Clauss M. Daily feeding rhythm in proboscis monkeys: a preliminary comparison with other non-human primates. Primates; Journal of Primatology. PMID 24504856 DOI: 10.1007/S10329-014-0407-5  0.395
2014 Hagen K, Clauss M, Hatt JM. Drinking preferences in chinchillas (Chinchilla laniger), degus (Octodon degu) and guinea pigs (Cavia porcellus). Journal of Animal Physiology and Animal Nutrition. 98: 942-7. PMID 24405017 DOI: 10.1111/Jpn.12164  0.58
2014 Matsuda I, Tuuga A, Hashimoto C, Bernard H, Yamagiwa J, Fritz J, Tsubokawa K, Yayota M, Murai T, Iwata Y, Clauss M. Faecal particle size in free-ranging primates supports a 'rumination' strategy in the proboscis monkey (Nasalis larvatus). Oecologia. 174: 1127-37. PMID 24380969 DOI: 10.1007/S00442-013-2863-9  0.359
2014 Dittmann MT, Hebel C, Hammer S, Hummel J, Ortmann S, Arif A, Bouts T, Kreuzer M, Clauss M. Energy requirements and metabolism of the Phillip's dikdik (Madoqua saltiana phillipsi). Comparative Biochemistry and Physiology. Part a, Molecular & Integrative Physiology. 167: 45-51. PMID 24095724 DOI: 10.1016/J.Cbpa.2013.09.014  0.325
2014 Clauss M, Schiele K, Ortmann S, Fritz J, Codron D, Hummel J, Kienzle E. The effect of very low food intake on digestive physiology and forage digestibility in horses. Journal of Animal Physiology and Animal Nutrition. 98: 107-18. PMID 23402587 DOI: 10.1111/Jpn.12053  0.465
2014 Clauss M, Rössner GE. Old world ruminant morphophysiology, life history, and fossil record: Exploring key innovations of a diversification sequence Annales Zoologici Fennici. 51: 80-94. DOI: 10.5735/086.051.0210  0.337
2014 Ritz J, Codron D, Wenger S, Rensch E, Hatt J, Braun U, Clauss M. Ruminal pH in cattle (Bos primigenius f. taurus) and moose (Alces alces) under different feeding conditions: a pilot investigation Journal of Zoo and Aquarium Research. 2: 44-51. DOI: 10.19227/Jzar.V2I2.24  0.633
2014 Taylor LA, Müller DWH, Schwitzer C, Kaiser TM, Codron D, Schulz E, Clauss M. Tooth wear in captive rhinoceroses (Diceros, Rhinoceros, Ceratotherium: Perissodactyla) differs from that of free-ranging conspecifics Contributions to Zoology. 83: 107-117. DOI: 10.1163/18759866-08302002  0.439
2014 Lemaître JF, Müller DWH, Clauss M. A test of the metabolic theory of ecology with two longevity data sets reveals no common cause of scaling in biological times Mammal Review. 44: 204-214. DOI: 10.1111/Mam.12023  0.31
2014 Steuer P, Südekum KH, Tütken T, Müller DWH, Kaandorp J, Bucher M, Clauss M, Hummel J. Does body mass convey a digestive advantage for large herbivores? Functional Ecology. 28: 1127-1134. DOI: 10.1111/1365-2435.12275  0.504
2014 Clauss M, Dittmann MT, Müller DWH, Zerbe P, Codron D. Low scaling of a life history variable: Analysing eutherian gestation periods with and without phylogeny-informed statistics Mammalian Biology. 79: 9-16. DOI: 10.1016/J.Mambio.2013.01.002  0.321
2014 Riaz MQ, Südekum KH, Clauss M, Jayanegara A. Voluntary feed intake and digestibility of four domestic ruminant species as influenced by dietary constituents: A meta-analysis Livestock Science. 162: 76-85. DOI: 10.1016/J.Livsci.2014.01.009  0.478
2014 Dittmann MT, Hummel J, Runge U, Galeffi C, Kreuzer M, Clauss M. Characterising an artiodactyl family inhabiting arid habitats by its metabolism: Low metabolism and maintenance requirements in camelids Journal of Arid Environments. 107: 41-48. DOI: 10.1016/J.Jaridenv.2014.04.005  0.317
2014 Hagen K, Müller DWH, Wibbelt G, Ochs A, Hatt JM, Clauss M. The macroscopic intestinal anatomy of a lowland tapir (Tapirus terrestris) European Journal of Wildlife Research. 61: 171-176. DOI: 10.1007/S10344-014-0870-8  0.571
2014 Lane EP, Clauss M, Kock ND, Hill FWG, Majok AA, Kotze A, Codron D. Body condition and ruminal morphology responses of free-ranging impala (Aepyceros melampus) to changes in diet European Journal of Wildlife Research. 60: 599-612. DOI: 10.1007/S10344-014-0824-1  0.453
2013 Taylor LA, Kaiser TM, Schwitzer C, Müller DW, Codron D, Clauss M, Schulz E. Detecting inter-cusp and inter-tooth wear patterns in rhinocerotids. Plos One. 8: e80921. PMID 24312507 DOI: 10.1371/Journal.Pone.0080921  0.361
2013 Codron D, Carbone C, Clauss M. Ecological interactions in dinosaur communities: influences of small offspring and complex ontogenetic life histories. Plos One. 8: e77110. PMID 24204749 DOI: 10.1371/Journal.Pone.0077110  0.377
2013 Clauss M, Steuer P, Müller DW, Codron D, Hummel J. Herbivory and body size: allometries of diet quality and gastrointestinal physiology, and implications for herbivore ecology and dinosaur gigantism. Plos One. 8: e68714. PMID 24204552 DOI: 10.1371/Journal.Pone.0068714  0.438
2013 Clauss M, Kohlschein GM, Peemöller A, Hummel J, Hatt JM. Short-term digestible energy intake in captive moose (Alces alces) on different diets. Zoo Biology. 32: 484-9. PMID 23801273 DOI: 10.1002/Zoo.21080  0.686
2013 Schulz E, Piotrowski V, Clauss M, Mau M, Merceron G, Kaiser TM. Dietary abrasiveness is associated with variability of microwear and dental surface texture in rabbits. Plos One. 8: e56167. PMID 23405263 DOI: 10.1371/Journal.Pone.0056167  0.47
2013 Lemaître JF, Gaillard JM, Lackey LB, Clauss M, Müller DW. Comparing free-ranging and captive populations reveals intra-specific variation in aging rates in large herbivores. Experimental Gerontology. 48: 162-7. PMID 23261518 DOI: 10.1016/J.Exger.2012.12.004  0.337
2013 Steuer P, Südekum KH, Müller DW, Kaandorp J, Clauss M, Hummel J. Fibre digestibility in large herbivores as related to digestion type and body mass--an in vitro approach. Comparative Biochemistry and Physiology. Part a, Molecular & Integrative Physiology. 164: 319-26. PMID 23103671 DOI: 10.1016/J.Cbpa.2012.10.026  0.435
2013 Müller DW, Codron D, Meloro C, Munn A, Schwarm A, Hummel J, Clauss M. Assessing the Jarman-Bell Principle: Scaling of intake, digestibility, retention time and gut fill with body mass in mammalian herbivores. Comparative Biochemistry and Physiology. Part a, Molecular & Integrative Physiology. 164: 129-40. PMID 23047052 DOI: 10.1016/J.Cbpa.2012.09.018  0.399
2013 Taylor LA, Schwitzer C, Owen-Smith N, Kreuzer M, Clauss M. Feeding practices for captive greater kudus ( Tragelaphus strepsiceros) in UK collections as compared to diets of free -ranging specimens Journal of Zoo and Aquarium Research. 1: 7-13. DOI: 10.19227/Jzar.V1I1.18  0.517
2013 Codron J, Kirkman K, Duffy KJ, Sponheimer M, Lee-Thorp JA, Ganswindt A, Clauss M, Codron D. Stable isotope turnover and variability in tail hairs of captive and free-ranging African elephants (Loxodonta africana) reveal dietary niche differences within populations Canadian Journal of Zoology. 91: 124-134. DOI: 10.1139/Cjz-2012-0155  0.462
2013 Clauss M, Dittmann MT, Müller DWH, Meloro C, Codron D. Bergmann′s rule in mammals: A cross-species interspecific pattern Oikos. 122: 1465-1472. DOI: 10.1111/J.1600-0706.2013.00463.X  0.335
2013 Kaiser TM, Müller DWH, Fortelius M, Schulz E, Codron D, Clauss M. Hypsodonty and tooth facet development in relation to diet and habitat in herbivorous ungulates: Implications for understanding tooth wear Mammal Review. 43: 34-46. DOI: 10.1111/J.1365-2907.2011.00203.X  0.355
2013 Müller DWH, Hammer S, Hammer C, Hatt JM, Clauss M. A conceptual approach to density-dependent management of zoo animals kept in herds International Zoo Yearbook. 47: 208-218. DOI: 10.1111/Izy.12018  0.546
2013 Schwarm A, Ortmann S, Fritz J, Flach E, Rietschel W, Clauss M. No distinct stratification of ingesta particles and no distinct moisture gradient in the fore-stomach of non-ruminants: The wallaby, peccary, hippopotamus, and sloth Mammalian Biology. 78: 412-421. DOI: 10.1016/J.Mambio.2013.04.001  0.367
2013 Lauper M, Lechner I, Barboza PS, Collins WB, Hummel J, Codron D, Clauss M. Rumination of different-sized particles in muskoxen (Ovibos moschatus) and moose (Alces alces) on grass and browse diets, and implications for rumination in different ruminant feeding types Mammalian Biology. 78: 142-152. DOI: 10.1016/J.Mambio.2012.06.001  0.438
2013 Ritz J, Hofer K, Hofer E, Hackländer K, Immekus D, Codron D, Clauss M. Forestomach pH in hunted roe deer (Capreolus capreolus) in relation to forestomach region, time of measurement and supplemental feeding and comparison among wild ruminant species European Journal of Wildlife Research. 59: 505-517. DOI: 10.1007/S10344-013-0698-7  0.344
2012 Helary SF, Shaw JA, Brown D, Clauss M, Owen-Smith N. Black rhinoceros (Diceros bicornis) natural diets: comparing iron levels across seasons and geographical locations. Journal of Zoo and Wildlife Medicine : Official Publication of the American Association of Zoo Veterinarians. 43: S48-54. PMID 23156705 DOI: 10.1638/2011-0153.1  0.41
2012 Clauss M, Paglia DE. Iron storage disorders in captive wild mammals: the comparative evidence. Journal of Zoo and Wildlife Medicine : Official Publication of the American Association of Zoo Veterinarians. 43: S6-18. PMID 23156701 DOI: 10.1638/2011-0152.1  0.356
2012 Zerbe P, Clauss M, Codron D, Bingaman Lackey L, Rensch E, Streich JW, Hatt JM, Müller DW. Reproductive seasonality in captive wild ruminants: implications for biogeographical adaptation, photoperiodic control, and life history. Biological Reviews of the Cambridge Philosophical Society. 87: 965-90. PMID 22780447 DOI: 10.1111/J.1469-185X.2012.00238.X  0.608
2012 Fritz J, Hammer S, Hebel C, Arif A, Michalke B, Dittmann MT, Müller DW, Clauss M. Retention of solutes and different-sized particles in the digestive tract of the ostrich (Struthio camelus massaicus), and a comparison with mammals and reptiles. Comparative Biochemistry and Physiology. Part a, Molecular & Integrative Physiology. 163: 56-65. PMID 22609929 DOI: 10.1016/J.Cbpa.2012.05.184  0.429
2012 Codron D, Carbone C, Müller DW, Clauss M. Ontogenetic niche shifts in dinosaurs influenced size, diversity and extinction in terrestrial vertebrates. Biology Letters. 8: 620-3. PMID 22513279 DOI: 10.1098/Rsbl.2012.0240  0.334
2012 Codron D, Sponheimer M, Codron J, Newton I, Lanham JL, Clauss M. The confounding effects of source isotopic heterogeneity on consumer-diet and tissue-tissue stable isotope relationships. Oecologia. 169: 939-53. PMID 22349754 DOI: 10.1007/S00442-012-2274-3  0.419
2012 Codron J, Codron D, Sponheimer M, Kirkman K, Duffy KJ, Raubenheimer EJ, Mélice JL, Grant R, Clauss M, Lee-Thorp JA. Stable isotope series from elephant ivory reveal lifetime histories of a true dietary generalist. Proceedings. Biological Sciences / the Royal Society. 279: 2433-41. PMID 22337695 DOI: 10.1098/Rspb.2011.2472  0.456
2012 Ritz J, Clauss M, Streich WJ, Hatt JM. Variation in growth and potentially associated health status in Hermann's and spur-thighed tortoise (Testudo hermanni and Testudo graeca). Zoo Biology. 31: 705-17. PMID 22290654 DOI: 10.1002/Zoo.21002  0.62
2012 Sandmeier P, Clauss M, Donati OF, Chiers K, Kienzle E, Hatt JM. Use of deferiprone for the treatment of hepatic iron storage disease in three hornbills. Journal of the American Veterinary Medical Association. 240: 75-81. PMID 22171759 DOI: 10.2460/Javma.240.1.75  0.486
2012 Munn AJ, Tomlinson S, Savage T, Clauss M. Retention of different-sized particles and derived gut fill estimate in tammar wallabies (Macropus eugenii): physiological and methodological considerations. Comparative Biochemistry and Physiology. Part a, Molecular & Integrative Physiology. 161: 243-9. PMID 22094100 DOI: 10.1016/J.Cbpa.2011.11.003  0.425
2012 Stahl M, Osmann C, Ortmann S, Kreuzer M, Hatt JM, Clauss M. Energy intake for maintenance in a mammal with a low basal metabolism, the giant anteater (Myrmecophaga tridactyla). Journal of Animal Physiology and Animal Nutrition. 96: 818-24. PMID 21895783 DOI: 10.1111/J.1439-0396.2011.01226.X  0.617
2012 Fritz J, Streich WJ, Schwarm A, Clauss M. Condensing results of wet sieving analyses into a single data: a comparison of methods for particle size description. Journal of Animal Physiology and Animal Nutrition. 96: 783-97. PMID 21732992 DOI: 10.1111/J.1439-0396.2011.01183.X  0.342
2012 Clauss M, Burger B, Liesegang A, Del Chicca F, Kaufmann-Bart M, Riond B, Hässig M, Hatt JM. Influence of diet on calcium metabolism, tissue calcification and urinary sludge in rabbits (Oryctolagus cuniculus). Journal of Animal Physiology and Animal Nutrition. 96: 798-807. PMID 21707782 DOI: 10.1111/J.1439-0396.2011.01185.X  0.588
2012 Hoby S, Clauss M, Aebischer A, Wenker C, Robert N, Liesegang A. Dry matter and calcium digestibility in captive veiled chameleons (Chamaeleo calyptratus). Journal of Animal Physiology and Animal Nutrition. 96: 778-82. PMID 21635572 DOI: 10.1111/J.1439-0396.2011.01170.X  0.326
2012 Clauss M, Schmid-Brunclik N, Wesche P, Streich WJ, Gassmann M, Hatt J. Serum iron metabolites in an opportunistic sample of different captive primate species International Zoo Yearbook. 46: 195-200. DOI: 10.5167/Uzh-67711  0.548
2012 Meloro C, Clauss M. Predator-Prey Biomass Fluctuations in the Plio-Pleistocene Palaios. 27: 90-96. DOI: 10.2110/Palo.2011.P11-048R  0.362
2012 Müller DWH, Codron D, Werner J, Fritz J, Hummel J, Griebeler EM, Clauss M. Dichotomy of eutherian reproduction and metabolism Oikos. 121: 102-115. DOI: 10.1111/J.1600-0706.2011.19505.X  0.313
2012 Clauss M. Clinical Technique: Feeding Hay To Rabbits And Rodents Journal of Exotic Pet Medicine. 21: 80-86. DOI: 10.1053/J.Jepm.2011.11.005  0.418
2012 Sawada A, Sakaguchi E, Clauss M, Hanya G. A pilot study on the ontogeny of digestive physiology in Japanese macaques (Macaca fuscata) Mammalian Biology. 77: 455-458. DOI: 10.1016/J.Mambio.2012.06.002  0.456
2012 Ferron ES, Verheyden H, Hummel J, Cargnelutti B, Lourtet B, Merlet J, González-Candela M, Angibault JM, Hewison AJM, Clauss M. Digestive plasticity as a response to woodland fragmentation in roe deer Ecological Research. 27: 77-82. DOI: 10.1007/S11284-011-0872-X  0.383
2012 Codron D, Sponheimer M, Codron J, Hammer S, Tschuor A, Braun U, Bernasconi SM, Clauss M. Tracking the fate of digesta 13C and 15N compositions along the ruminant gastrointestinal tract: Does digestion influence the relationship between diet and faeces? European Journal of Wildlife Research. 58: 303-313. DOI: 10.1007/S10344-011-0581-3  0.407
2011 Müller DW, Zerbe P, Codron D, Clauss M, Hatt JM. A long life among ruminants: giraffids and other special cases. Schweizer Archiv FüR Tierheilkunde. 153: 515-9. PMID 22045457 DOI: 10.1024/0036-7281/A000263  0.592
2011 Zerbe P, Glaus T, Clauss M, Hatt JM, Steinmetz HW. Ultrasonographic evaluation of postprandial heart variation in juvenile Paraguay anacondas (Eunectes notaeus). American Journal of Veterinary Research. 72: 1253-8. PMID 21879985 DOI: 10.2460/Ajvr.72.9.1253  0.495
2011 Steuer P, Südekum KH, Müller DW, Franz R, Kaandorp J, Clauss M, Hummel J. Is there an influence of body mass on digesta mean retention time in herbivores? A comparative study on ungulates. Comparative Biochemistry and Physiology. Part a, Molecular & Integrative Physiology. 160: 355-64. PMID 21777685 DOI: 10.1016/J.Cbpa.2011.07.005  0.388
2011 Zimmermann N, Pirovino M, Zingg R, Clauss M, Kaup FJ, Heistermann M, Hatt JM, Steinmetz HW. Upper respiratory tract disease in captive orangutans (Pongo sp.): prevalence in 20 European zoos and predisposing factors. Journal of Medical Primatology. 40: 365-75. PMID 21770970 DOI: 10.1111/J.1600-0684.2011.00490.X  0.537
2011 Müller DW, Caton J, Codron D, Schwarm A, Lentle R, Streich WJ, Hummel J, Clauss M. Phylogenetic constraints on digesta separation: Variation in fluid throughput in the digestive tract in mammalian herbivores. Comparative Biochemistry and Physiology. Part a, Molecular & Integrative Physiology. 160: 207-20. PMID 21689778 DOI: 10.1016/J.Cbpa.2011.06.004  0.36
2011 Tschudin A, Clauss M, Codron D, Hatt JM. Preference of rabbits for drinking from open dishes versus nipple drinkers. The Veterinary Record. 168: 190. PMID 21493534 DOI: 10.1136/Vr.C6150  0.559
2011 Hebel C, Ortmann S, Hammer S, Hammer C, Fritz J, Hummel J, Clauss M. Solute and particle retention in the digestive tract of the Phillip's dikdik (Madoqua saltiana phillipsi), a very small browsing ruminant: biological and methodological implications. Comparative Biochemistry and Physiology. Part a, Molecular & Integrative Physiology. 159: 284-90. PMID 21457785 DOI: 10.1016/J.Cbpa.2011.03.020  0.337
2011 Matsuda I, Murai T, Clauss M, Yamada T, Tuuga A, Bernard H, Higashi S. Regurgitation and remastication in the foregut-fermenting proboscis monkey (Nasalis larvatus). Biology Letters. 7: 786-9. PMID 21450728 DOI: 10.1098/Rsbl.2011.0197  0.412
2011 Franz R, Soliva CR, Kreuzer M, Hatt JM, Furrer S, Hummel J, Clauss M. Methane output of tortoises: its contribution to energy loss related to herbivore body mass. Plos One. 6: e17628. PMID 21408074 DOI: 10.1371/Journal.Pone.0017628  0.562
2011 Tschudin A, Clauss M, Hatt JM. [Survey about feeding and watering rabbits (Oryctolagus cuniculus) in Switzerland 2008/2009]. Schweizer Archiv FüR Tierheilkunde. 153: 134-8. PMID 21360453 DOI: 10.1024/0036-7281/a000169  0.479
2011 Sander PM, Christian A, Clauss M, Fechner R, Gee CT, Griebeler EM, Gunga HC, Hummel J, Mallison H, Perry SF, Preuschoft H, Rauhut OW, Remes K, Tütken T, Wings O, et al. Biology of the sauropod dinosaurs: the evolution of gigantism. Biological Reviews of the Cambridge Philosophical Society. 86: 117-55. PMID 21251189 DOI: 10.1111/J.1469-185X.2010.00137.X  0.393
2011 Müller DW, Lackey LB, Streich WJ, Fickel J, Hatt JM, Clauss M. Mating system, feeding type and ex situ conservation effort determine life expectancy in captive ruminants. Proceedings. Biological Sciences / the Royal Society. 278: 2076-80. PMID 21147792 DOI: 10.1098/Rspb.2010.2275  0.596
2011 Clauss M, Lechner I, Barboza P, Collins W, Tervoort TA, Südekum KH, Codron D, Hummel J. The effect of size and density on the mean retention time of particles in the reticulorumen of cattle ( Bos primigenius f. taurus), muskoxen ( Ovibos moschatus) and moose ( Alces alces). The British Journal of Nutrition. 105: 634-44. PMID 21144130 DOI: 10.1017/S0007114510004101  0.343
2011 Franz R, Kreuzer M, Hummel J, Hatt JM, Clauss M. Intake, selection, digesta retention, digestion and gut fill of two coprophageous species, rabbits (Oryctolagus cuniculus) and guinea pigs (Cavia porcellus), on a hay-only diet. Journal of Animal Physiology and Animal Nutrition. 95: 564-70. PMID 21091550 DOI: 10.1111/J.1439-0396.2010.01084.X  0.586
2011 Tschudin A, Clauss M, Codron D, Liesegang A, Hatt JM. Water intake in domestic rabbits (Oryctolagus cuniculus) from open dishes and nipple drinkers under different water and feeding regimes. Journal of Animal Physiology and Animal Nutrition. 95: 499-511. PMID 21091544 DOI: 10.1111/J.1439-0396.2010.01077.X  0.573
2011 Hummel J, Findeisen E, Südekum KH, Ruf I, Kaiser TM, Bucher M, Clauss M, Codron D. Another one bites the dust: faecal silica levels in large herbivores correlate with high-crowned teeth. Proceedings. Biological Sciences / the Royal Society. 278: 1742-7. PMID 21068036 DOI: 10.1098/Rspb.2010.1939  0.385
2011 Franz R, Soliva CR, Kreuzer M, Hummel J, Clauss M. Methane output of rabbits (Oryctolagus cuniculus) and guinea pigs (Cavia porcellus) fed a hay-only diet: implications for the scaling of methane production with body mass in non-ruminant mammalian herbivores. Comparative Biochemistry and Physiology. Part a, Molecular & Integrative Physiology. 158: 177-81. PMID 20971203 DOI: 10.1016/J.Cbpa.2010.10.019  0.358
2011 Franz R, Hummel J, Müller DW, Bauert M, Hatt JM, Clauss M. Herbivorous reptiles and body mass: effects on food intake, digesta retention, digestibility and gut capacity, and a comparison with mammals. Comparative Biochemistry and Physiology. Part a, Molecular & Integrative Physiology. 158: 94-101. PMID 20850560 DOI: 10.1016/J.Cbpa.2010.09.007  0.633
2011 Yisehak K, Becker A, Belay D, Bosch G, Hendriks WH, Clauss M, Janssens G. Salivary amino acid concentrations in zebus (Bos indicus) and zebu hybrids (Bos indicus x Bos Taurus) fed a tannin-rich diet Belgian Journal of Zoology. 141: 93-96. DOI: 10.5167/Uzh-50187  0.404
2011 Codron D, Hull J, Brink JS, Codron J, Ward D, Clauss M. Effect of competition on niche dynamics of syntopic grazing ungulates: contrasting the predictions of habitat selection models using stable isotope analysis Evolutionary Ecology Research. 13: 217-235. DOI: 10.5167/Uzh-49216  0.32
2011 Steinmetz HW, Zingg R, Ossent P, Eulenberger U, Clauss M, Hatt J. Comparison of indoor and captive, free-roaming management in goldenheaded lion tamarins (Leontopithecus chrysomelas) at Zürich Zoo Animal Welfare. 20: 205-210. DOI: 10.5167/Uzh-48214  0.538
2011 Fritz J, Kienzle E, Hummel J, Wings O, Streich WJ, Clauss M. Gizzard vs. teeth, it's a tie: food-processing efficiency in herbivorous birds and mammals and implications for dinosaur feeding strategies Paleobiology. 37: 577-586. DOI: 10.1666/10031.1  0.377
2011 Codron D, Codron J, Sponheimer M, Bernasconi SM, Clauss M. When animals are not quite what they eat: Diet digestibility influences 13C-incorporation rates and apparent discrimination in a mixed-feeding herbivore Canadian Journal of Zoology. 89: 453-465. DOI: 10.1139/Z11-010  0.463
2011 Clauss M, Müller K, Fickel J, Streich WJ, Hatt J, Südekum KH. Macroecology of the host determines microecology of endobionts: protozoal faunas vary with wild ruminant feeding type and body mass Journal of Zoology. 283: 169-185. DOI: 10.1111/J.1469-7998.2010.00759.X  0.663
2011 Pirovino M, Heistermann M, Zimmermann N, Zingg R, Clauss M, Codron D, Kaup F, Steinmetz HW. Fecal Glucocorticoid Measurements and Their Relation to Rearing, Behavior, and Environmental Factors in the Population of Pileated Gibbons (Hylobates pileatus) Held in European Zoos International Journal of Primatology. 32: 1161-1178. DOI: 10.1007/S10764-011-9532-9  0.323
2011 Schwarm A, Albrecht S, Ortmann S, Wolf C, Clauss M. Digesta retention time in roe deer Capreolus capreolus , as measured with cerium-, lanthanum- and chromium-mordanted fibre European Journal of Wildlife Research. 57: 437-442. DOI: 10.1007/S10344-010-0450-5  0.323
2011 Clauss M, Lunt N, Ortmann S, Plowman A, Codron D, Hummel J. Fluid and particle passage in three duiker species European Journal of Wildlife Research. 57: 143-148. DOI: 10.1007/S10344-010-0407-8  0.338
2010 Clauss M, Hume ID, Hummel J. Evolutionary adaptations of ruminants and their potential relevance for modern production systems. Animal. 4: 979-992. PMID 22444604 DOI: 10.1017/S1751731110000388  0.417
2010 Janis CM, Constable EC, Houpt KA, Streich WJ, Clauss M. Comparative ingestive mastication in domestic horses and cattle: a pilot investigation. Journal of Animal Physiology and Animal Nutrition. 94: e402-9. PMID 20662959 DOI: 10.1111/J.1439-0396.2010.01030.X  0.43
2010 Fritz J, Hummel J, Kienzle E, Streich WJ, Clauss M. To Chew or Not to Chew: Fecal Particle Size in Herbivorous Reptiles and Mammals Journal of Experimental Zoology. 313: 579-586. PMID 20623497 DOI: 10.1002/Jez.629  0.345
2010 Głogowski R, Czauderna M, Rozbicka A, Krajewska KA, Clauss M. Fatty acid profile of hind leg muscle in female and male nutria (Myocastor coypus Mol.), fed green forage diet. Meat Science. 85: 577-9. PMID 20416834 DOI: 10.1016/J.Meatsci.2010.03.008  0.365
2010 Clauss M, Lang-Deuerling S, Müller DWH, Kienzle E, Steuer P, Hummel J. Retention of fluid and particles in captive tapirs (Tapirus sp.). Comparative Biochemistry and Physiology a-Molecular & Integrative Physiology. 157: 95-101. PMID 20363350 DOI: 10.1016/J.Cbpa.2010.03.029  0.388
2010 Steuer P, Clauss M, Südekum K-, Hatt J-, Silinski S, Klomburg S, Zimmermann W, Fickel J, Streich WJ, Hummel J. Comparative investigations on digestion in grazing (Ceratotherium simum) and browsing (Diceros bicornis) rhinoceroses. Comparative Biochemistry and Physiology a-Molecular & Integrative Physiology. 156: 380-388. PMID 20227512 DOI: 10.1016/J.Cbpa.2010.03.006  0.597
2010 Müller DWH, Lackey LB, Jürgen Streich W, Hatt JM, Clauss M. Relevance of management and feeding regimens on life expectancy in captive deer American Journal of Veterinary Research. 71: 275-280. PMID 20187828 DOI: 10.2460/Ajvr.71.3.275  0.575
2010 Clauss M, Kleffner H, Kienzle E. Carnivorous mammals: nutrient digestibility and energy evaluation. Zoo Biology. 29: 687-704. PMID 20073050 DOI: 10.1002/Zoo.20302  0.477
2010 Lechner I, Barboza P, Collins W, Fritz J, Günther D, Hattendorf B, Hummel J, Südekum KH, Clauss M. Differential passage of fluids and different-sized particles in fistulated oxen (Bos primigenius f. taurus), muskoxen (Ovibos moschatus), reindeer (Rangifer tarandus) and moose (Alces alces): rumen particle size discrimination is independent from contents stratification. Comparative Biochemistry and Physiology. Part a, Molecular & Integrative Physiology. 155: 211-22. PMID 19896552 DOI: 10.1016/J.Cbpa.2009.10.040  0.343
2010 Franz R, Soliva CR, Kreuzer M, Steuer P, Hummel J, Clauss M. Methane production in relation to body mass of ruminants and equids Evolutionary Ecology Research. 12: 727-738. DOI: 10.5167/Uzh-41217  0.351
2010 Ritz J, Griebeler EM, Huber R, Clauss M. Body size development of captive and free-ranging African spurred tortoises (Geochelone sulcata): High plasticity in reptilian growth rates Herpetological Journal. 20: 213-216. DOI: 10.5167/Uzh-36147  0.339
2010 Müller DWH, Lackey LB, Streich WJ, Hatt J, Clauss M. Research Digest: Selected highlight from other veterinary journals - Effect of management and feeding regimes on life expectancy in captive deer Veterinary Record. 166: 502-502. DOI: 10.5167/Uzh-34682  0.516
2010 Codron D, Clauss M. Rumen physiology constrains diet niche: linking digestive physiology and food selection across wild ruminant species Canadian Journal of Zoology. 88: 1129-1138. DOI: 10.1139/Z10-077  0.386
2010 Tschudin A, Rettmer H, Watson R, Clauss M, Hammer S. Evaluation of hand-rearing records for Spix's macaw Cyanopsitta spixii at the Al Wabra Wildlife Preservation from 2005 to 2007 International Zoo Yearbook. 44: 201-211. DOI: 10.1111/J.1748-1090.2009.00098.X  0.385
2010 Clauss M, Hofmann RR, Streich WJ, Fickel J, Hummel J. Convergence in the macroscopic anatomy of the reticulum in wild ruminant species of different feeding types and a new resulting hypothesis on reticular function Journal of Zoology. 281: 26-38. DOI: 10.1111/J.1469-7998.2009.00675.X  0.419
2010 Kaiser TM, Fickel J, Streich WJ, Hummel J, Clauss M. Enamel ridge alignment in upper molars of ruminants in relation to their natural diet Journal of Zoology. 281: 12-25. DOI: 10.1111/J.1469-7998.2009.00674.X  0.395
2010 Meyer K, Hummel J, Clauss M. The relationship between forage cell wall content and voluntary food intake in mammalian herbivores Mammal Review. 40: 221-245. DOI: 10.1111/J.1365-2907.2010.00161.X  0.454
2010 Schwarm A, Ortmann S, Rietschel W, Kühne R, Wibbelt G, Clauss M. Function, size and form of the gastrointestinal tract of the collared Pecari tajacu (Linnaeus 1758) and white-lipped peccary Tayassu pecari (Link 1795) European Journal of Wildlife Research. 56: 569-576. DOI: 10.1007/S10344-009-0348-2  0.345
2010 Müller DWH, Gaillard JM, Lackey LB, Hatt JM, Clauss M. Comparing life expectancy of three deer species between captive and wild populations European Journal of Wildlife Research. 56: 205-208. DOI: 10.1007/S10344-009-0342-8  0.551
2010 Clauss M, Adamczewski J, Hofmann RR. Surface enlargement in the rumen of free-ranging muskoxen (Ovibos moschatus) European Journal of Wildlife Research. 56: 181-185. DOI: 10.1007/S10344-009-0301-4  0.427
2009 Gull J, Steinmetz H, Clauss M, Besselmann D, Ossent P, Wenker CJ, Hatt JM. Occurrence of cataract and fatty liver in captive plains viscachas (Lagostomus maximus) in relation to diet. Journal of Zoo and Wildlife Medicine : Official Publication of the American Association of Zoo Veterinarians. 40: 652-8. PMID 20063810 DOI: 10.1638/2008-0167.1  0.625
2009 Clauss M, Keller A, Peemöller A, Nygrén K, Hatt JM, Nuss K. Postmortal radiographic diagnosis of laminitis in a captive European moose (Alces alces) Schweizer Archiv Fur Tierheilkunde. 151: 545-549. PMID 19885800 DOI: 10.1024/0036-7281.151.11.545  0.609
2009 Hatt JM, Zollinger E, Boehler A, Hofer M, Steinmetz HW, Clauss M. Collection and analysis of breath and breath condensate exhaled by feral pigeons (Columba livia) and chickens (Gallus domesticus). The Veterinary Record. 165: 469-73. PMID 19850854 DOI: 10.1136/Vr.165.16.469  0.523
2009 Nees S, Schade B, Clauss M, Steinmetz HW, Ehrensperger F, Steck B, Hatt JM. Polycystic kidney disease in the pygmy hippopotamus (Hexaprotodon liberiensis). Journal of Zoo and Wildlife Medicine : Official Publication of the American Association of Zoo Veterinarians. 40: 529-35. PMID 19746869 DOI: 10.1638/2007-0175.1  0.544
2009 Ritz J, Hammer C, Clauss M. Body size development of captive and free-ranging Leopard tortoises (Geochelone pardalis) Zoo Biology. 29: 517-525. PMID 19722272 DOI: 10.1002/Zoo.20273  0.352
2009 Pérez W, Lima M, Clauss M. Gross Anatomy of the Intestine in the Giraffe (Giraffa camelopardalis) Anatomia Histologia Embryologia. 38: 432-435. PMID 19681830 DOI: 10.1111/J.1439-0264.2009.00965.X  0.321
2009 Clauss M, Wilkins T, Hartley A, Hatt JM. Diet composition, food intake, body condition, and fecal consistency in captive tapirs (Tapirus spp.) in UK collections. Zoo Biology. 28: 279-91. PMID 19681143 DOI: 10.1002/Zoo.20225  0.655
2009 Clauss M, Nunn C, Fritz J, Hummel J. Evidence for a tradeoff between retention time and chewing efficiency in large mammalian herbivores Comparative Biochemistry and Physiology - a Molecular and Integrative Physiology. 154: 376-382. PMID 19651229 DOI: 10.1016/J.Cbpa.2009.07.016  0.374
2009 Schwarm A, Ortmann S, Wolf C, Streich WJ, Clauss M. Passage marker excretion in red kangaroo (Macropus rufus), collared peccary (Pecari tajacu) and colobine monkeys (Colobus angolensis, C. polykomos, Trachypithecus johnii). Journal of Experimental Zoology. Part a, Ecological Genetics and Physiology. 311: 647-61. PMID 19551808 DOI: 10.1002/Jez.552  0.322
2009 Lechner I, Barboza P, Collins W, Günther D, Hattendorf B, Hummel J, Clauss M. No 'bypass' in adult ruminants: passage of fluid ingested vs. fluid inserted into the rumen in fistulated muskoxen (Ovibos moschatus), reindeer (Rangifer tarandus) and moose (Alces alces). Comparative Biochemistry and Physiology. Part a, Molecular & Integrative Physiology. 154: 151-6. PMID 19497382 DOI: 10.1016/J.Cbpa.2009.05.122  0.421
2009 Franz R, Hummel J, Kienzle E, Kölle P, Gunga HC, Clauss M. Allometry of visceral organs in living amniotes and its implications for sauropod dinosaurs. Proceedings. Biological Sciences / the Royal Society. 276: 1731-6. PMID 19324837 DOI: 10.1098/Rspb.2008.1735  0.327
2009 Hummel J, Südekum KH, Bayer D, Ortmann S, Streich WJ, Hatt JM, Clauss M. Physical characteristics of reticuloruminal contents of oxen in relation to forage type and time after feeding Journal of Animal Physiology and Animal Nutrition. 93: 209-220. PMID 19320934 DOI: 10.1111/J.1439-0396.2008.00806.X  0.592
2009 Clauss M, Hofmann RR, Fickel J, Streich WJ, Hummel J. The intraruminal papillation gradient in wild ruminants of different feeding types: Implications for rumen physiology. Journal of Morphology. 270: 929-942. PMID 19247992 DOI: 10.1002/Jmor.10729  0.452
2009 Wenker C, Clauss M, Besselmann D, Streich W, Lutz H. Changes in body weight, hematology and serum chemistry in captive plains viscachas (Lagostomus maximus) with presumptive diabetes type II after a diet change. Schweizer Archiv Fur Tierheilkunde. 151: 61-68. PMID 19189250 DOI: 10.1024/0036-7281.151.2.61  0.399
2009 Schwarm A, Schweigert M, Ortmann S, Hummel J, Janssens GPJ, Streich WJ, Clauss M. No easy solution for the fractionation of faecal nitrogen in captive wild herbivores: results of a pilot study. Journal of Animal Physiology and Animal Nutrition. 93: 596-605. PMID 19178609 DOI: 10.1111/J.1439-0396.2008.00842.X  0.382
2009 Clauss M, Lang-Deuerling S, Kienzle E, Medici EP, Hummel J. Mineral absorption in tapirs (Tapirus spp.) as compared to the domestic horse Journal of Animal Physiology and Animal Nutrition. 93: 768-776. PMID 19175463 DOI: 10.1111/J.1439-0396.2008.00865.X  0.343
2009 Schwarm A, Ortmann S, Wolf C, Streich WJ, Clauss M. More efficient mastication allows increasing intake without compromising digestibility or necessitating a larger gut: comparative feeding trials in banteng (Bos javanicus) and pygmy hippopotamus (Hexaprotodon liberiensis). Comparative Biochemistry and Physiology. Part a, Molecular & Integrative Physiology. 152: 504-12. PMID 19135544 DOI: 10.1016/J.Cbpa.2008.12.006  0.496
2009 Clauss M, Fritz J, Bayer D, Hummel J, Streich WJ, Südekum KH, Hatt JM. Physical characteristics of rumen contents in two small ruminants of different feeding type, the mouflon (Ovis ammon musimon) and the roe deer (Capreolus capreolus) Zoology. 112: 195-205. PMID 19110405 DOI: 10.1016/J.Zool.2008.08.001  0.597
2009 Clauss M, Fritz J, Bayer D, Nygren K, Hammer S, Hatt JM, Südekum KH, Hummel J. Physical characteristics of rumen contents in four large ruminants of different feeding type, the addax (Addax nasomaculatus), bison (Bison bison), red deer (Cervus elaphus) and moose (Alces alces) Comparative Biochemistry and Physiology - a Molecular and Integrative Physiology. 152: 398-406. PMID 19049897 DOI: 10.1016/J.Cbpa.2008.11.009  0.601
2009 Zerbe P, Schwarz C, Deb A, Borjal RJ, Arif A, Taha AS, Streich WJ, Clauss M, Hammer S. Long‐term monitoring of endoparasites in birds‐of‐paradise at Al Wabra Wildlife Preservation, Doha International Zoo Yearbook. 43: 149-158. DOI: 10.1111/J.1748-1090.2008.00062.X  0.336
2009 Fritz J, Hummel J, Kienzle E, Arnold C, Nunn C, Clauss M. Comparative chewing efficiency in mammalian herbivores Oikos. 118: 1623-1632. DOI: 10.1111/J.1600-0706.2009.17807.X  0.331
2009 Kaiser TM, Brasch J, Castell JC, Schulz E, Clauss M. Tooth wear in captive wild ruminant species differs from that of free-ranging conspecifics Mammalian Biology. 74: 425-437. DOI: 10.1016/J.Mambio.2008.09.003  0.477
2009 Clauss M, Grum C, Hatt J. Polyunsaturated fatty acid content in adipose tissue in foregut and hindgut fermenting mammalian herbivores: A literature survey Mammalian Biology. 74: 153-158. DOI: 10.1016/J.Mambio.2008.04.004  0.523
2009 Schwarm A, Ortmann S, Wolf C, Clauss M. No distinct difference in the excretion of large particles of varying size in a wild ruminant, the banteng (Bos javanicus) European Journal of Wildlife Research. 55: 531-533. DOI: 10.1007/S10344-009-0277-0  0.322
2008 Clauss M, Nijboer J, Loermans JH, Roth T, Van der Kuilen J, Beynen AC. Comparative digestion studies in wild suids at Rotterdam Zoo. Zoo Biology. 27: 305-19. PMID 19360626 DOI: 10.1002/Zoo.20191  0.389
2008 Hummel J, Fritz J, Kienzle E, Medici EP, Lang S, Zimmermann W, Streich WJ, Clauss M. Differences in fecal particle size between free-ranging and captive individuals of two browser species. Zoo Biology. 27: 70-77. PMID 19360605 DOI: 10.1002/Zoo.20161  0.48
2008 Fritsche R, Simova-Curd S, Clauss M, Hatt J. Hyperthyroidism in connection with suspected diabetes mellitus in a chinchilla (Chinchilla laniger) Veterinary Record. 163: 454-456. PMID 18849579 DOI: 10.1136/Vr.163.15.454  0.479
2008 Leiber F, Meier JS, Burger B, Wettstein HR, Kreuzer M, Hatt JM, Clauss M. Significance of coprophagy for the fatty acid profile in body tissues of rabbits fed different diets Lipids. 43: 853-865. PMID 18626678 DOI: 10.1007/S11745-008-3210-5  0.641
2008 Clauss M, Hofmann RR, Streich WJ, Fickel J, Hummel J. Higher masseter muscle mass in grazing than in browsing ruminants Oecologia. 157: 377-385. PMID 18612652 DOI: 10.1007/S00442-008-1093-Z  0.329
2008 Munn AJ, Streich WJ, Hummel J, Clauss M. Modelling digestive constraints in non-ruminant and ruminant foregut-fermenting mammals. Comparative Biochemistry and Physiology a-Molecular & Integrative Physiology. 151: 78-84. PMID 18586113 DOI: 10.1016/J.Cbpa.2008.06.001  0.46
2008 Clauss M, Dierenfeld ES, Bigley KE, Wang Y, Ghebremeskel K, Hatt JM, Flach EJ, Behlert O, Castell JC, Streich WJ, Bauer JE. Fatty acid status in captive and free-ranging black rhinoceroses (Diceros bicornis). Journal of Animal Physiology and Animal Nutrition. 92: 231-41. PMID 18477302 DOI: 10.1111/J.1439-0396.2007.00730.X  0.655
2008 Clauss M, Streich WJ, Nunn CL, Ortmann S, Hohmann G, Schwarm A, Hummel J. The influence of natural diet composition, food intake level, and body size on ingesta passage in primates. Comparative Biochemistry and Physiology. Part a, Molecular & Integrative Physiology. 150: 274-81. PMID 18450489 DOI: 10.1016/J.Cbpa.2008.03.012  0.49
2008 Besselmann D, Schaub D, Wenker C, Völlm J, Robert N, Schelling C, Steinmetz H, Clauss M. Juvenile mortality in captive lesser kudu (Tragelaphus imberbis) at Basle Zoo and its relation to nutrition and husbandry Journal of Zoo and Wildlife Medicine. 39: 86-91. PMID 18432100 DOI: 10.1638/2007-0004.1  0.358
2008 Jurado OM, Clauss M, Streich WJ, Hatt JM. Irregular tooth wear and longevity in captive wild ruminants: a pilot survey of necropsy reports. Journal of Zoo and Wildlife Medicine : Official Publication of the American Association of Zoo Veterinarians. 39: 69-75. PMID 18432098 DOI: 10.1638/06-064.1  0.606
2008 Perez W, Clauss M, Ungerfeld R. Observations on the Macroscopic Anatomy of the Intestinal Tract and its Mesenteric Folds in the Pampas Deer (Ozotoceros bezoarticus, Linnaeus 1758) Anatomia Histologia Embryologia. 37: 317-321. PMID 18400045 DOI: 10.1111/J.1439-0264.2008.00855.X  0.417
2008 Schwarm A, Ortmann S, Wolf C, Streich WJ, Clauss M. Excretion patterns of fluid and different sized particle passage markers in banteng (Bos javanicus) and pygmy hippopotamus (Hexaprotodon liberiensis): two functionally different foregut fermenters. Comparative Biochemistry and Physiology a-Molecular & Integrative Physiology. 150: 32-39. PMID 18378479 DOI: 10.1016/J.Cbpa.2008.02.022  0.327
2008 Hummel J, Gee CT, Südekum KH, Sander PM, Nogge G, Clauss M. In vitro digestibility of fern and gymnosperm foliage: implications for sauropod feeding ecology and diet selection. Proceedings. Biological Sciences / the Royal Society. 275: 1015-21. PMID 18252667 DOI: 10.1098/Rspb.2007.1728  0.416
2008 Clauss M, Wittenbrink MM, Castell JC, Kienzle E, Dierenfeld ES, Flach EJ, Macgregor SK, Hoppe T, Hummel J, Streich WJ, Hatt JM. Quantification of Enterobacteriaceae in faeces of captive black rhinoceros (Diceros bicornis) in relation to dietary tannin supplementation. Journal of Animal Physiology and Animal Nutrition. 92: 29-34. PMID 18184377 DOI: 10.1111/J.1439-0396.2007.00687.X  0.64
2008 Hummel J, Steuer P, Südekum K, Hammer S, Hammer C, Streich WJ, Clauss M. Fluid and particle retention in the digestive tract of the addax antelope (Addax nasomaculatus)--adaptations of a grazing desert ruminant. Comparative Biochemistry and Physiology a-Molecular & Integrative Physiology. 149: 142-149. PMID 18083600 DOI: 10.1016/J.Cbpa.2007.11.001  0.388
2008 Hofmann RR, Streich WJ, Fickel J, Hummel J, Clauss M. Convergent evolution in feeding types: salivary gland mass differences in wild ruminant species. Journal of Morphology. 269: 240-257. PMID 17957712 DOI: 10.1002/Jmor.10580  0.406
2008 Hummel J, Clauss M. Megaherbivores as pacemakers of carnivore diversity and biomass: distributing or sinking trophic energy? Evolutionary Ecology Research. 10: 925-930. DOI: 10.5167/Uzh-9009  0.308
2008 Codron D, Brink JS, Rossouw L, Clauss M. The evolution of ecological specialization in southern African ungulates: competition‐ or physical environmental turnover? Oikos. 117: 344-353. DOI: 10.1111/J.2007.0030-1299.16387.X  0.341
2008 Codron D, Brink JS, Rossouw L, Clauss M, Codron J, Lee-Thorp JA, Sponheimer M. Functional differentiation of African grazing ruminants: An example of specialized adaptations to very small changes in diet Biological Journal of the Linnean Society. 94: 755-764. DOI: 10.1111/J.1095-8312.2008.01028.X  0.449
2008 Clauss M, Aufranc R, Hatt J. Fütterung und Kotkonsistenz von Flachlandtapiren (Tapirus terrestris) im Zürich Zoo Der Zoologische Garten. 77: 297-302. DOI: 10.1016/J.Zoolgart.2008.05.011  0.667
2008 Tschuor A, Clauss M. Investigations on the stratification of forestomach contents in ruminants: an ultrasonographic approach European Journal of Wildlife Research. 54: 627-633. DOI: 10.1007/S10344-008-0188-5  0.33
2008 Clauss M, Hummel J, Schwarm A, Steuer P, Fritz J, Jurado OM, Tschudin A, Hatt J. An isthmus at the caecocolical junction is an anatomical feature of domestic and wild equids European Journal of Wildlife Research. 54: 347-351. DOI: 10.1007/S10344-007-0126-Y  0.561
2008 Clauss M, Kaiser T, Hummel J. The Morphophysiological Adaptations of Browsing and Grazing Mammals Ecological Studies. 47-88. DOI: 10.1007/978-3-540-72422-3_3  0.395
2007 Clauss M, Castell JC, Kienzle E, Dierenfeld ES, Flach EJ, Behlert O, Ortmann S, Streich WJ, Hummel J, Hatt J. The influence of dietary tannin supplementation on digestive performance in captive black rhinoceros (Diceros bicornis). Journal of Animal Physiology and Animal Nutrition. 91: 449-458. PMID 17988348 DOI: 10.1111/J.1439-0396.2006.00673.X  0.672
2007 Hammer S, Jensen S, Borjal R, Clauss M. Bill impaction in a group of captive Caribbean flamingos (Phoenicopterus ruber ruber). Journal of Zoo and Wildlife Medicine. 38: 465-470. PMID 17939357 DOI: 10.1638/06-035.1  0.414
2007 Clauss M, Franz-Odendaal TA, Brasch J, Castell JC, Kaiser T. Tooth wear in captive giraffes (Giraffa camelopardalis): mesowear analysis classifies free-ranging specimens as browsers but captive ones as grazers. Journal of Zoo and Wildlife Medicine : Official Publication of the American Association of Zoo Veterinarians. 38: 433-45. PMID 17939353 DOI: 10.1638/06-032.1  0.423
2007 Clauss M, Schwarm A, Ortmann S, Streich WJ, Hummel J. A case of non-scaling in mammalian physiology? Body size, digestive capacity, food intake, and ingesta passage in mammalian herbivores ☆ Comparative Biochemistry and Physiology a-Molecular & Integrative Physiology. 148: 249-265. PMID 17643330 DOI: 10.1016/J.Cbpa.2007.05.024  0.394
2007 Clauss M, Castell JC, Kienzle E, Schramel P, Dierenfeld ES, Flach EJ, Behlert O, Streich WJ, Hummel J, Hatt J. Mineral absorption in the black rhinoceros (Diceros bicornis) as compared with the domestic horse Journal of Animal Physiology and Animal Nutrition. 91: 193-204. PMID 17516940 DOI: 10.1111/J.1439-0396.2007.00692.X  0.613
2007 Clauss M, Firzlaff U, Castell JC, Kiefer B, Streich WJ, Liesegang A. Effect of captivity and mineral supplementation on body composition and mineral status of mustached bats (Pteronotus parnellii rubiginosus). Journal of Animal Physiology and Animal Nutrition. 91: 187-192. PMID 17516939 DOI: 10.1111/J.1439-0396.2007.00691.X  0.393
2007 Steinmetz HW, Clauss M, Feige K, Thio T, Isenbügel E, Hatt JM. Recurrent tongue tip constriction in a captive giant anteater (Myrmecophaga tridactyla). Journal of Zoo and Wildlife Medicine : Official Publication of the American Association of Zoo Veterinarians. 38: 146-9. PMID 17469293 DOI: 10.1638/05-115.1  0.578
2007 Clauss M, Besselmann D, Schwarm A, Ortmann S, Hatt JM. Demonstrating coprophagy with passage markers? The example of the plains viscacha (Lagostomus maximus). Comparative Biochemistry and Physiology. Part a, Molecular & Integrative Physiology. 147: 453-9. PMID 17331769 DOI: 10.1016/J.Cbpa.2007.01.013  0.624
2007 Clauss M, Streich WJ, Schwarm A, Ortmann S, Hummel J. The relationship of food intake and ingesta passage predicts feeding ecology in two different megaherbivore groups Oikos. 116: 209-216. DOI: 10.1111/J.2006.0030-1299.15461.X  0.39
2007 Clauss M, Sauter-Louis C, Kienzle E. Historical copper and manganese levels in cattle feeds in Bavaria, Germany Journal of Nutritional & Environmental Medicine. 16: 69-74. DOI: 10.1080/13590840601016353  0.333
2007 Nijboer Jv, Clauss M, Put Kvd, Kuilen Jvd, Woutersee H, Beynen AC. Influence of two different diets on fluid and particle retention time Javan langur (Trachypithecus auratus auratus) Der Zoologische Garten. 77: 36-46. DOI: 10.1016/J.Zoolgart.2007.06.004  0.497
2007 Clauss M, Steinmetz H, Eulenberger U, Ossent P, Zingg R, Hummel J, Hatt J. Observations on the length of the intestinal tract of African Loxodonta africana (Blumenbach 1797) and Asian elephants Elephas maximus (Linné 1735) European Journal of Wildlife Research. 53: 68-72. DOI: 10.1007/S10344-006-0064-0  0.633
2006 Nijboer J, Clauss M, Olsthoorn M, Noordermeer W, Huisman TR, Verheyen C, Kuilen Jvd, Streich WJ, Beynen AC. Effect of diet on the feces quality in Javan langur (Trachypithecus auratus auratus) Journal of Zoo and Wildlife Medicine. 37: 366-372. PMID 17319137 DOI: 10.1638/05-113.1  0.469
2006 Zulauf-Fischer I, Liesegang A, Haessig M, Clauss M, Hatt J-. Differences in bone mineral content and density between male and female budgerigars (Melopsittacus undulatus) during the non-reproductive season. Journal of Veterinary Medicine Series a-Physiology Pathology Clinical Medicine. 53: 456-457. PMID 17054480 DOI: 10.1111/J.1439-0442.2006.00878.X  0.523
2006 Zollinger E, Clauss M, Steinmetz HW, Hatt J. Collection of exhaled breath and exhaled breath condensate in veterinary medicine. A review. Veterinary Quarterly. 28: 105-117. PMID 17052074 DOI: 10.1080/01652176.2006.9695215  0.538
2006 Clauss M, Pellegrini N, Castell JC, Kienzle E, Dierenfeld ES, Hummel J, Flach EJ, Streich WJ, Hatt J. Antioxidant status of faeces of captive black rhinoceros (Diceros bicornis) in relation to dietary tannin supplementation. Journal of Veterinary Medicine Series a-Physiology Pathology Clinical Medicine. 53: 319-322. PMID 16901277 DOI: 10.1111/J.1439-0442.2006.00844.X  0.626
2006 Clauss M, Castell JC, Kienzle E, Dierenfeld ES, Flach EJ, Behlert O, Ortmann S, Streich WJ, Hummel J, Hatt J. Digestion coefficients achieved by the black rhinoceros (Diceros bicornis), a large browsing hindgut fermenter Journal of Animal Physiology and Animal Nutrition. 90: 325-334. PMID 16867078 DOI: 10.1111/J.1439-0396.2006.00606.X  0.656
2006 Schwarm A, Ortmann S, Hofer H, Streich WJ, Flach EJ, Kühne R, Hummel J, Castell JC, Clauss M. Digestion studies in captive Hippopotamidae: a group of large ungulates with an unusually low metabolic rate Journal of Animal Physiology and Animal Nutrition. 90: 300-308. PMID 16867075 DOI: 10.1111/J.1439-0396.2005.00599.X  0.477
2006 Clauss M, Castell JC, Kienzle E, Schramel P, Dierenfeld ES, Flach EJ, Behlert O, Hatt JM, Streich WJ, Hummel J. Macromineral absorption in the black rhinoceros (Diceros bicornis) compared with the domestic horse. The Journal of Nutrition. 136: 2017S-2020S. PMID 16772484 DOI: 10.1093/Jn/136.7.2017S  0.512
2006 Clauss M, Sauter-Louis C, Chaher E, Pottgiesser C, Goebel S, Selhorst T, Wichmann HE, Klee W, Kienzle E. Investigations of the potential risk factors associated with cases of bovine spongiform encephalophaty in Bavaria, Germany Veterinary Record. 158: 509-513. PMID 16617042 DOI: 10.1136/Vr.158.15.509  0.319
2006 Clauss M, Hatt J. The feeding of rhinoceros in captivity International Zoo Yearbook. 40: 197-209. DOI: 10.1111/J.1748-1090.2006.00197.X  0.618
2006 Hatt J, Clauss M. Feeding Asian and African elephants Elephas maximus and Loxodonta africana in captivity International Zoo Yearbook. 40: 88-95. DOI: 10.1111/J.1748-1090.2006.00088.X  0.609
2006 Clauss M, Hofmann RR, Hummel J, Adamczewski J, Nygren K, Pitra C, Streich WJ, Reese S. Macroscopic anatomy of the omasum of free‐ranging moose (Alces alces) and muskoxen (Ovibos moschatus) and a comparison of the omasal laminal surface area in 34 ruminant species Journal of Zoology. 270: 346-358. DOI: 10.1111/J.1469-7998.2006.00148.X  0.402
2006 Hummel J, Südekum KH, Streich WJ, Clauss M. Forage fermentation patterns and their implications for herbivore ingesta retention times Functional Ecology. 20: 989-1002. DOI: 10.1111/J.1365-2435.2006.01206.X  0.316
2006 Clauss M, Hummel J, Streich WJ. The dissociation of the fluid and particle phase in the forestomach as a physiological characteristic of large grazing ruminants: an evaluation of available, comparable ruminant passage data European Journal of Wildlife Research. 52: 88-98. DOI: 10.1007/S10344-005-0024-0  0.402
2006 Hummel J, Nogge G, Clauss M, Nørgaard C, Johanson K, Nijboer J, Pfeffer E. Energy supply of the okapi in captivity: Fermentation characteristics of feedstuffs Zoo Biology. 25: 251-266. DOI: 10.1002/Zoo.20101  0.36
2006 Hummel J, Pfeffer E, Nørgaard C, Johanson K, Clauss M, Nogge G. Energy supply of the okapi in captivity: intake and digestion trials Zoo Biology. 25: 303-316. DOI: 10.1002/Zoo.20092  0.351
2005 Potter JS, Clauss M. Mortality of captive giraffe (Giraffa camelopardalis) associated with serous fat atrophy : a review of five cases at Auckland Zoo Journal of Zoo and Wildlife Medicine. 36: 301-307. PMID 17323573 DOI: 10.1638/03-097.1  0.373
2005 Hatt JM, Schaub D, Wanner M, Wettstein HR, Flach EJ, Tack C, Hässig M, Ortmann S, Hummel J, Clauss M. Energy and fibre intake in a group of captive giraffe (Giraffa camelopardalis) offered increasing amounts of browse Journal of Veterinary Medicine Series a: Physiology Pathology Clinical Medicine. 52: 485-490. PMID 16300655 DOI: 10.1111/J.1439-0442.2005.00769.X  0.645
2005 Clauss M, Hummel J, Vercammen F, Streich WJ. Observations on the Macroscopic Digestive Anatomy of the Himalayan Tahr (Hemitragus jemlahicus) Anatomia Histologia Embryologia. 34: 276-278. PMID 15996131 DOI: 10.1111/J.1439-0264.2005.00611.X  0.364
2005 Hummel J, Clauss M, Zimmermann W, Johanson K, Nørgaard C, Pfeffer E. Fluid and particle retention in captive okapi (Okapia johnstoni). Comparative Biochemistry and Physiology. Part a, Molecular & Integrative Physiology. 140: 436-44. PMID 15936703 DOI: 10.1016/J.Cbpb.2005.02.006  0.342
2005 Clauss M, Polster C, Kienzle E, Wiesner H, Baumgartner K, Houwald Fv, Ortmann S, Streich WJ, Dierenfeld ES. Studies on digestive physiology and feed digestibilities in captive Indian rhinoceros (Rhinoceros unicornis). Journal of Animal Physiology and Animal Nutrition. 89: 229-237. PMID 15788000 DOI: 10.1111/J.1439-0396.2005.00546.X  0.481
2005 Clauss M, Gehrke J, Hatt JM, Dierenfeld ES, Flach EJ, Hermes R, Castell J, Streich WJ, Fickel J. Tannin-binding salivary proteins in three captive rhinoceros species. Comparative Biochemistry and Physiology. Part a, Molecular & Integrative Physiology. 140: 67-72. PMID 15664314 DOI: 10.1016/J.Cbpb.2004.11.005  0.625
2005 Clauss M, Hummel J. The digestive performance of mammalian herbivores: why big may not be that much better Mammal Review. 35: 174-187. DOI: 10.1111/J.1365-2907.2005.00062.X  0.406
2005 Clauss M, Robert N, Walzer C, Vitaud C, Hummel J. Testing predictions on body mass and gut contents: dissection of an African elephant Loxodonta africana Blumenbach 1797 European Journal of Wildlife Research. 51: 291-294. DOI: 10.1007/S10344-005-0113-0  0.382
2005 Clauss M, Froeschle T, Castell J, Hatt J, Ortmann S, Streich WJ, Hummel J. Fluid and particle retention times in the black rhinoceros Diceros bicornis, a large hindgut-fermenting browser Acta Theriologica. 50: 367-376. DOI: 10.1007/Bf03192632  0.592
2005 Dierenfeld ES, Atkinson S, Craig AM, Walker KC, Streich WJ, Clauss M. Mineral concentrations in serum/plasma and liver tissue of captive and free-ranging rhinoceros species Zoo Biology. 24: 51-72. DOI: 10.1002/Zoo.20043  0.332
2005 Hatt J, Clauss M, Gisler R, Liesegang A, Wanner M. Fiber digestibility in juvenile Galapagos tortoises (Geochelone nigra) and implications for the development of captive animals Zoo Biology. 24: 185-191. DOI: 10.1002/Zoo.20039  0.587
2005 Flores-Miyamoto K, Clauss M, Ortmann S, Sainsbury AW. Nutrition of captive lowland anoa (Bubalus depressicornis): a study on ingesta passage, intake, digestibility, and a diet survey Zoo Biology. 24: 125-134. DOI: 10.1002/Zoo.20036  0.492
2005 Clauss M, Polster C, Kienzle E, Wiesner H, Baumgartner K, Houwald Fv, Streich WJ, Dierenfeld E. Energy and mineral nutrition and water intake in the captive Indian rhinoceros (Rhinoceros unicornis) Zoo Biology. 24: 1-14. DOI: 10.1002/Zoo.20032  0.456
2004 Clauss M, Schwarm A, Ortmann S, Alber D, Flach EJ, Kühne R, Hummel J, Streich WJ, Hofer H. Intake, ingesta retention, particle size distribution and digestibility in the hippopotamidae Comparative Biochemistry and Physiology a-Molecular & Integrative Physiology. 139: 449-459. PMID 15596390 DOI: 10.1016/J.Cbpb.2004.10.002  0.4
2004 Clauss M, Lendl C, Schramel P, Streich WJ. Skin lesions in alpacas and llamas with low zinc and copper status--a preliminary report. Veterinary Journal. 167: 302-305. PMID 15080880 DOI: 10.1016/S1090-0233(03)00122-9  0.34
2004 Clauss M. The potential interplay of posture, digestive anatomy, density of ingesta and gravity in mammalian herbivores: why sloths do not rest upside down Mammal Review. 34: 241-245. DOI: 10.1111/J.1365-2907.2004.00039.X  0.337
2003 Wood C, Fang SG, Hunt A, Streich WJ, Clauss M. Increased iron absorption in lemurs: quantitative screening and assessment of dietary prevention American Journal of Primatology. 61: 101-110. PMID 14610728 DOI: 10.1002/Ajp.10113  0.433
2003 Clauss M, Lason K, Gehrke J, Lechner-Doll M, Fickel J, Grune T, Jürgen Streich W. Captive roe deer (Capreolus capreolus) select for low amounts of tannic acid but not quebracho: fluctuation of preferences and potential benefits. Comparative Biochemistry and Physiology. Part B, Biochemistry & Molecular Biology. 136: 369-82. PMID 14529762 DOI: 10.1016/S1096-4959(03)00244-6  0.445
2003 Clauss M, Loehlein W, Kienzle E, Wiesner H. Studies on feed digestibilities in captive Asian elephants (Elephas maximus) Journal of Animal Physiology and Animal Nutrition. 87: 160-173. PMID 14511142 DOI: 10.1046/J.1439-0396.2003.00429.X  0.428
2003 Clauss M. Do cows fed BSE-infected meat and bone meal in the colostrum-producing stage pass on infectious BSE agent to their calves? Medical Hypotheses. 61: 439-443. PMID 13679008 DOI: 10.1016/S0306-9877(03)00191-9  0.315
2003 Clauss M, Wang Y, Ghebremeskel K, Lendl CE, Streich WJ. Plasma and erythrocyte fatty acids in captive Asian (Elephas maximus) and African (Loxodonta africana) elephants. Veterinary Record. 153: 54-58. PMID 12885214 DOI: 10.1136/Vr.153.2.54  0.335
2003 Clauss M, Frey R, Kiefer B, Lechner-Doll M, Loehlein W, Polster C, Rössner GE, Streich WJ. The maximum attainable body size of herbivorous mammals: morphophysiological constraints on foregut, and adaptations of hindgut fermenters. Oecologia. 136: 14-27. PMID 12712314 DOI: 10.1007/S00442-003-1254-Z  0.434
2003 Clauss M, Kienzle E. [Cross-contamination of ruminant feed stuffs in Bavaria after the comprehensive feed ban]. Deutsche Tierarztliche Wochenschrift. 110: 506-508. DOI: 10.5167/Uzh-2387  0.382
2003 Clauss M, Lechner‐Doll M, Streich WJ. Ruminant diversification as an adaptation to the physicomechanical characteristics of forage. A reevaluation of an old debate and a new hypothesis Oikos. 102: 253-262. DOI: 10.1034/J.1600-0706.2003.12406.X  0.443
2002 Clauss M, Lechner-Doll M, Streich JW. Faecal particle size distribution in captive wild ruminants: an approach to the browser/grazer dichotomy from the other end. Oecologia. 131: 343-349. PMID 28547705 DOI: 10.1007/S00442-002-0894-8  0.339
2002 Hatt J, Gisler R, Mayes RW, Lechner-Doll M, Clauss M, Liesegang A, Wanner M. The Use Of Dosed And Herbage N-Alkanes As Markers For The Determination Of Intake, Digestibility, Mean Retention Time And Diet Selection In Galapagos Tortoises (Geochelone Nigra) Herpetological Journal. 12: 45-54. DOI: 10.5167/Uzh-3502  0.604
2002 Clauss M, Kienzle E, Wiesner H. Importance of the wasting syndrome complex in captive moose (Alces alces) Zoo Biology. 21: 499-506. DOI: 10.1002/Zoo.10059  0.314
2001 Clauss M, Lechner-Doll M. Differences in selective reticulo-ruminal particle retention as a key factor in ruminant diversification. Oecologia. 129: 321-327. PMID 28547186 DOI: 10.1007/S004420100735  0.353
2001 Hatt J, Mayes RW, Clauss M, Lechner-Doll M. Use of artificially applied n-alkanes as markers for the estimation of digestibility, food selection and intake in pigeons (columba livia) Animal Feed Science and Technology. 94: 65-76. DOI: 10.1016/S0377-8401(01)00294-2  0.606
2001 Clauss M, Lechner-Doll M, Flach EJ, Tack C, Hatt J. Comparative use of four different marker systems for the estimation of digestibility and low food intake in a group of captive giraffes (Giraffa camelopardalis) Zoo Biology. 20: 315-329. DOI: 10.1002/Zoo.1031  0.609
2001 Lason K, Lechner-Doll M, Lüpke M, Clauss M. Adaptations to seasonality – a comparative view of energy expenditure during lactation in two ruminant species: European roe deer (Capreolus capreolus) and mouflon (Ovis orientalis musimon) Zoosystematics and Evolution. 77: 217-221. DOI: 10.1002/Mmnz.20010770207  0.33
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