Herman Wildrik Barkema, D.V.M./PhD - Publications

Affiliations: 
2006- Epidemiology and Infectious Diseases University of Calgary, Calgary, Alberta, Canada 
Area:
Epidemiology, Veterinary Science, Dairy Science

372 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
2021 Zoche-Golob V, Donat K, Barkema HW, De Buck J, Kastelic J, Wolf R. Predicting sensitivity of repeated environmental sampling for Mycobacterium avium subsp. paratuberculosis in dairy herds using a Bayesian latent class model. Veterinary Journal (London, England : 1997). 275: 105728. PMID 34358682 DOI: 10.1016/j.tvjl.2021.105728  1
2021 Singh BB, Ward MP, Lowerison M, Lewinson RT, Vallerand IA, Deardon R, Gill JPS, Singh B, Barkema HW. Meta-analysis and adjusted estimation of COVID-19 case fatality risk in India and its association with the underlying comorbidities. One Health (Amsterdam, Netherlands). 13: 100283. PMID 34222606 DOI: 10.1016/j.onehlt.2021.100283  1
2021 Anholt M, Barkema H. What is One Health? The Canadian Veterinary Journal = La Revue Veterinaire Canadienne. 62: 641-644. PMID 34219774  0.28
2021 Smid AC, Inberg PHJ, de Jong S, Sinclair S, von Keyserlingk MAG, Weary DM, Barkema HW. Perspectives of Western Canadian dairy farmers on providing outdoor access for dairy cows. Journal of Dairy Science. PMID 34218920 DOI: 10.3168/jds.2021-20342  1
2021 De Buck J, Ha V, Naushad S, Nobrega DB, Luby C, Middleton JR, De Vliegher S, Barkema HW. Non- Staphylococci and Bovine Udder Health: Current Understanding and Knowledge Gaps. Frontiers in Veterinary Science. 8: 658031. PMID 33937379 DOI: 10.3389/fvets.2021.658031  1
2021 Ritter C, Dorrestein L, Kelton DF, Barkema HW. Herd health and production management visits on Canadian dairy cattle farms: Structure, goals, and topics discussed. Journal of Dairy Science. PMID 33896644 DOI: 10.3168/jds.2020-19833  1
2021 Kuczewski A, Orsel K, Barkema HW, Mason S, Erskine R, van der Meer F. Invited review: Bovine leukemia virus-Transmission, control, and eradication. Journal of Dairy Science. PMID 33741150 DOI: 10.3168/jds.2020-18925  1
2021 Rasmussen P, Barkema HW, Hall DC. Corrigendum: Effectiveness and Economic Viability of Johne's Disease (Paratuberculosis) Control Practices in Dairy Herds. Frontiers in Veterinary Science. 8: 657453. PMID 33693045 DOI: 10.3389/fvets.2021.657453  1
2021 Rasmussen P, Barkema HW, Beaulieu E, Mason S, Hall DC. Estimation of the value of Johne's disease (paratuberculosis) control to Canadian dairy producers. Preventive Veterinary Medicine. 189: 105297. PMID 33677407 DOI: 10.1016/j.prevetmed.2021.105297  1
2021 Arrazuria R, Caddey B, Cobo ER, Barkema HW, De Buck J. Effects of different culture media on growth of Treponema spp. isolated from Digital Dermatitis. Anaerobe. 102345. PMID 33596466 DOI: 10.1016/j.anaerobe.2021.102345  1
2021 Naqvi SA, Taylor LM, Panaccione R, Ghosh S, Barkema HW, Hotte N, Shommu N, Kaur S, Reimer RA, Madsen KL, Raman M. Dietary patterns, food groups and nutrients in Crohn's disease: associations with gut and systemic inflammation. Scientific Reports. 11: 1674. PMID 33462267 DOI: 10.1038/s41598-020-80924-8  1
2021 Rasmussen P, Barkema HW, Mason S, Beaulieu E, Hall DC. Economic losses due to Johne's disease (paratuberculosis) in dairy cattle. Journal of Dairy Science. PMID 33455766 DOI: 10.3168/jds.2020-19381  1
2020 Rasmussen P, Barkema HW, Hall DC. Effectiveness and Economic Viability of Johne's Disease (Paratuberculosis) Control Practices in Dairy Herds. Frontiers in Veterinary Science. 7: 614727. PMID 33521086 DOI: 10.3389/fvets.2020.614727  1
2020 Derakhshani H, Plaizier JC, De Buck J, Barkema HW, Khafipour E. Composition and co-occurrence patterns of the microbiota of different niches of the bovine mammary gland: potential associations with mastitis susceptibility, udder inflammation, and teat-end hyperkeratosis. Animal Microbiome. 2: 11. PMID 33499931 DOI: 10.1186/s42523-020-00028-6  1
2020 Robles I, Zambelis A, Kelton DF, Barkema HW, Keefe GP, Roy JP, von Keyserlingk MAG, DeVries TJ. Associations of freestall design and cleanliness with cow lying behavior, hygiene, lameness, and risk of high somatic cell count. Journal of Dairy Science. PMID 33309370 DOI: 10.3168/jds.2020-18916  1
2020 Narayana SG, Schenkel F, Miglior F, Chud T, Abdalla EA, Naqvi SA, Malchiodi F, Barkema HW. Genetic analysis of pathogen-specific intramammary infections in dairy cows. Journal of Dairy Science. PMID 33246624 DOI: 10.3168/jds.2020-19062  1
2020 Cheng J, Zhou M, Nobrega DB, Barkema HW, Xu S, Li M, Kastelic JP, Shi Y, Han B, Gao J. Genetic diversity and molecular epidemiology of outbreaks of Klebsiella pneumoniae mastitis on two large Chinese dairy farms. Journal of Dairy Science. PMID 33246609 DOI: 10.3168/jds.2020-19325  1
2020 Roche SM, Renaud DL, Genore R, Bauman CA, Croyle S, Barkema HW, Dubuc J, Keefe GP, Kelton DF. Communication preferences and social media engagement among Canadian dairy producers. Journal of Dairy Science. 103: 12128-12139. PMID 33222864 DOI: 10.3168/jds.2020-19039  1
2020 Schuster JC, Barkema HW, De Vries A, Kelton DF, Orsel K. Invited review: Academic and applied approach to evaluating longevity in dairy cows. Journal of Dairy Science. 103: 11008-11024. PMID 33222845 DOI: 10.3168/jds.2020-19043  1
2020 Nobrega DB, Tang KL, Caffrey NP, De Buck J, Cork SC, Ronksley PE, Polachek AJ, Ganshorn H, Sharma N, Kastelic JP, Kellner JD, Ghali WA, Barkema HW. Prevalence of antimicrobial resistance genes and its association with restricted antimicrobial use in food-producing animals: a systematic review and meta-analysis. The Journal of Antimicrobial Chemotherapy. PMID 33146719 DOI: 10.1093/jac/dkaa443  1
2020 Samadi Kochaksaraei G, Castillo E, Sadler MD, Seow CH, Barkema HW, Martin SR, Israelson H, Pinto J, Williams S, Aspinall AI, Stinton LM, Borman MA, Burak KW, Swain MG, Congly SE, et al. Real-world clinical and virological outcomes in a retrospective multiethnic cohort study of 341 untreated and tenofovir disoproxil fumarate-treated chronic hepatitis B pregnant patients in North America. Alimentary Pharmacology & Therapeutics. PMID 33111382 DOI: 10.1111/apt.16123  1
2020 Singh BB, Lowerison M, Lewinson RT, Vallerand IA, Deardon R, Gill JP, Singh B, Barkema HW. Public health interventions slowed but did not halt the spread of COVID-19 in India. Transboundary and Emerging Diseases. PMID 33012088 DOI: 10.1111/tbed.13868  1
2020 Arrazuria R, Knight CG, Lahiri P, Cobo ER, Barkema HW, De Buck J. spp. Isolated from Bovine Digital Dermatitis Display Different Pathogenicity in a Murine Abscess Model. Microorganisms. 8. PMID 33007829 DOI: 10.3390/microorganisms8101507  1
2020 van Huyssteen M, Barkema HW, Mason S, Orsel K. Association between lameness risk assessment and lameness and foot lesion prevalence on dairy farms in Alberta, Canada. Journal of Dairy Science. PMID 32981721 DOI: 10.3168/jds.2019-17819  1
2020 Zhuang C, Huo W, Liu G, Shahid M, Gao J, Barkema HW, Rahman SU, Kastelic JP, Han B. In vitro immune responses of bovine mammary epithelial cells induced by Escherichia coli, with multidrug resistant extended-spectrum β-lactamase, isolated from mastitic milk. Microbial Pathogenesis. 104494. PMID 32926997 DOI: 10.1016/J.Micpath.2020.104494  1
2020 Nobrega DB, Naqvi SA, Dufour S, Deardon R, Kastelic JP, De Buck J, Barkema HW. Critically important antimicrobials are generally not needed to treat nonsevere clinical mastitis in lactating dairy cows: Results from a network meta-analysis. Journal of Dairy Science. PMID 32896405 DOI: 10.3168/Jds.2020-18365  1
2020 Zhuang C, Liu G, Barkema HW, Zhou M, Xu S, Ur Rahman S, Liu Y, Kastelic JP, Gao J, Han B. Selenomethionine Suppressed TLR4/NF-κB Pathway by Activating Selenoprotein S to Alleviate ESBL -Induced Inflammation in Bovine Mammary Epithelial Cells and Macrophages. Frontiers in Microbiology. 11: 1461. PMID 32733409 DOI: 10.3389/Fmicb.2020.01461  1
2020 Denis-Robichaud J, Kelton DF, Bauman CA, Barkema HW, Keefe GP, Dubuc J. Gap between producers and veterinarians regarding biosecurity on Quebec dairy farms. The Canadian Veterinary Journal = La Revue Veterinaire Canadienne. 61: 757-762. PMID 32655160  1
2020 Naushad S, Nobrega DB, Naqvi SA, Barkema HW, De Buck J. Genomic Analysis of Bovine Staphylococcus aureus Isolates from Milk To Elucidate Diversity and Determine the Distributions of Antimicrobial and Virulence Genes and Their Association with Mastitis. Msystems. 5. PMID 32636332 DOI: 10.1128/mSystems.00063-20  1
2020 Moore SJ, Durst PT, Ritter C, Nobrega D, Barkema HW. Effects of employer management on employee recruitment, satisfaction, engagement, and retention on large US dairy farms. Journal of Dairy Science. PMID 32622598 DOI: 10.3168/Jds.2019-18025  1
2020 Cavalcante PA, Knight CG, Tan YL, Monteiro APA, Barkema HW, Cobo ER. Cathelicidins mitigate mastitis and reduce bacterial invasion in murine mammary epithelium. Infection and Immunity. PMID 32341117 DOI: 10.1128/Iai.00230-20  1
2020 Shahid M, Cavalcante PA, Knight CG, Barkema HW, Han B, Gao J, Cobo ER. Murine and Human Cathelicidins Contribute Differently to Hallmarks of Mastitis Induced by Pathogenic Algae. Frontiers in Cellular and Infection Microbiology. 10: 31. PMID 32117805 DOI: 10.3389/Fcimb.2020.00031  1
2020 Roche SM, Renaud DL, Genore R, Shock DA, Bauman C, Croyle S, Barkema HW, Dubuc J, Keefe GP, Kelton DF. Canadian National Dairy Study: Describing Canadian dairy producer practices and perceptions surrounding cull cow management. Journal of Dairy Science. PMID 32089309 DOI: 10.3168/Jds.2019-17390  1
2020 Roche SM, Genore R, Renaud DL, Shock DA, Bauman C, Croyle S, Barkema HW, Dubuc J, Keefe GP, Kelton DF. Short communication: Describing mortality and euthanasia practices on Canadian dairy farms. Journal of Dairy Science. PMID 32089307 DOI: 10.3168/Jds.2019-17595  1
2020 Cheng J, Zhang J, Han B, Barkema HW, Cobo ER, Kastelic JP, Zhou M, Shi Y, Wang J, Yang R, Gao J. Klebsiella pneumoniae isolated from bovine mastitis is cytopathogenic for bovine mammary epithelial cells. Journal of Dairy Science. PMID 32037181 DOI: 10.3168/Jds.2019-17458  1
2020 Shahid M, Cobo ER, Chen L, Cavalcante PA, Barkema HW, Gao J, Xu S, Liu Y, Knight CG, Kastelic JP, Han B. Prototheca zopfii genotype II induces mitochondrial apoptosis in models of bovine mastitis. Scientific Reports. 10: 698. PMID 31959834 DOI: 10.1038/S41598-020-57645-Z  1
2019 Robles I, Kelton DF, Barkema HW, Keefe GP, Roy JP, von Keyserlingk MAG, DeVries TJ. Bacterial concentrations in bedding and their association with dairy cow hygiene and milk quality. Animal : An International Journal of Animal Bioscience. 1-15. PMID 31769382 DOI: 10.1017/S1751731119002787  1
2019 Liu G, Ali T, Gao J, Ur Rahman S, Yu D, Barkema HW, Huo W, Xu S, Shi Y, Kastelic JP, Han B. Co-occurrence of Plasmid-Mediated Colistin Resistance () and Extended-Spectrum -Lactamase Encoding Genes in from Bovine Mastitic Milk in China. Microbial Drug Resistance (Larchmont, N.Y.). PMID 31755810 DOI: 10.1089/Mdr.2019.0333  1
2019 Gao J, Li S, Zhang J, Zhou Y, Xu S, Barkema HW, Nobrega DB, Zhu C, Han B. Prevalence of Potential Virulence Genes in spp. Isolated from Cows with Clinical Mastitis on Large Chinese Dairy Farms. Foodborne Pathogens and Disease. PMID 31545094 DOI: 10.1089/Fpd.2019.2657  1
2019 Tang KL, Caffrey NP, Nóbrega DB, Cork SC, Ronksley PE, Barkema HW, Polachek AJ, Ganshorn H, Sharma N, Kellner JD, Checkley SL, Ghali WA. Comparison of different approaches to antibiotic restriction in food-producing animals: stratified results from a systematic review and meta-analysis. Bmj Global Health. 4: e001710. PMID 31543995 DOI: 10.1136/Bmjgh-2019-001710  1
2019 Cirone KM, Lahiri P, Holani R, Tan YL, Arrazuria R, De Buck J, Barkema HW, Cobo ER. Synthetic cathelicidin LL-37 reduces Mycobacterium avium subsp. paratuberculosis internalization and pro-inflammatory cytokines in macrophages. Cell and Tissue Research. PMID 31478135 DOI: 10.1007/S00441-019-03098-4  1
2019 Denis-Robichaud J, Kelton DF, Bauman CA, Barkema HW, Keefe GP, Dubuc J. Canadian dairy farmers' perception of the efficacy of biosecurity practices. Journal of Dairy Science. PMID 31477301 DOI: 10.3168/Jds.2019-16312  1
2019 Corbett CS, de Jong MCM, Orsel K, De Buck J, Barkema HW. Quantifying transmission of Mycobacterium avium subsp. paratuberculosis among group-housed dairy calves. Veterinary Research. 50: 60. PMID 31429807 DOI: 10.1186/S13567-019-0678-3  1
2019 Watts KM, Lahiri P, Arrazuria R, De Buck J, Knight CG, Orsel K, Barkema HW, Cobo ER. Oxytetracycline reduces inflammation and treponeme burden whereas vitamin D promotes β-defensin expression in bovine infectious digital dermatitis. Cell and Tissue Research. PMID 31410630 DOI: 10.1007/S00441-019-03082-Y  1
2019 Lowerison MW, Josephson CB, Jetté N, Sajobi TT, Patten S, Williamson T, Deardon R, Barkema HW, Wiebe S. Association of Levels of Specialized Care With Risk of Premature Mortality in Patients With Epilepsy. Jama Neurology. PMID 31380987 DOI: 10.1001/Jamaneurol.2019.2268  1
2019 Denis-Robichaud J, Kelton DF, Bauman CA, Barkema HW, Keefe GP, Dubuc J. Biosecurity and herd health management practices on Canadian dairy farms. Journal of Dairy Science. PMID 31351735 DOI: 10.3168/Jds.2018-15921  1
2019 Scott H, Gilleard JS, Jelinski M, Barkema HW, Redman EM, Avramenko RW, Luby C, Kelton DF, Bauman CA, Keefe G, Dubuc J, Uehlinger FD. Prevalence, fecal egg counts, and species identification of gastrointestinal nematodes in replacement dairy heifers in Canada. Journal of Dairy Science. PMID 31326168 DOI: 10.3168/Jds.2018-16115  1
2019 Whittington R, Donat K, Weber MF, Kelton D, Nielsen SS, Eisenberg S, Arrigoni N, Juste R, Sáez JL, Dhand N, Santi A, Michel A, Barkema H, Kralik P, Kostoulas P, et al. Control of paratuberculosis: who, why and how. A review of 48 countries. Bmc Veterinary Research. 15: 198. PMID 31196162 DOI: 10.1186/S12917-019-1943-4  1
2019 Tang KL, Caffrey NP, Nóbrega DB, Cork SC, Ronksley PE, Barkema HW, Polachek AJ, Ganshorn H, Sharma N, Kellner JD, Checkley SL, Ghali WA. Examination of unintended consequences of antibiotic use restrictions in food-producing animals: Sub-analysis of a systematic review. One Health (Amsterdam, Netherlands). 7: 100095. PMID 31193679 DOI: 10.1016/J.Onehlt.2019.100095  1
2019 Naushad S, Kanevets U, Nobrega D, Carson D, Dufour S, Roy JP, Lewis PJ, Barkema HW. Staphylococcus debuckii sp. nov., a coagulase-negative species from bovine milk. International Journal of Systematic and Evolutionary Microbiology. PMID 31135334 DOI: 10.1099/Ijsem.0.003457  1
2019 Han D, Gu X, Gao J, Wang Z, Liu G, Barkema HW, Han B. Chlorogenic acid promotes the Nrf2/HO-1 anti-oxidative pathway by activating p21 to resist dexamethasone-induced apoptosis in osteoblastic cells. Free Radical Biology & Medicine. PMID 31004750 DOI: 10.1016/J.Freeradbiomed.2019.04.014  1
2019 Naqvi SA, Thompson GC, Joffe AR, Blackwood J, Martin DA, Brindle M, Barkema HW, Jenne CN. Cytokines and Chemokines in Pediatric Appendicitis: A Multiplex Analysis of Inflammatory Protein Mediators. Mediators of Inflammation. 2019: 2359681. PMID 30918467 DOI: 10.1155/2019/2359681  1
2019 McAloon CG, Roche S, Ritter C, Barkema HW, Whyte P, More SJ, O'Grady L, Green MJ, Doherty ML. A review of paratuberculosis in dairy herds - Part 1: Epidemiology. Veterinary Journal (London, England : 1997). 246: 59-65. PMID 30902190 DOI: 10.1016/J.Tvjl.2019.01.010  1
2019 McAloon CG, Roche S, Ritter C, Barkema HW, Whyte P, More SJ, O'Grady L, Green MJ, Doherty ML. A review of paratuberculosis in dairy herds - Part 2: On-farm control. Veterinary Journal (London, England : 1997). 246: 54-58. PMID 30902189 DOI: 10.1016/J.Tvjl.2019.01.009  1
2019 Naushad S, Naqvi SA, Nobrega D, Luby C, Kastelic JP, Barkema HW, De Buck J. Comprehensive Virulence Gene Profiling of Bovine Non- Staphylococci Based on Whole-Genome Sequencing Data. Msystems. 4. PMID 30863792 DOI: 10.1128/mSystems.00098-18  1
2019 Ritter C, Adams CL, Kelton DF, Barkema HW. Factors associated with dairy farmers' satisfaction and preparedness to adopt recommendations after veterinary herd health visits. Journal of Dairy Science. PMID 30852012 DOI: 10.3168/Jds.2018-15825  1
2019 Liu G, Yin J, Han B, Barkema HW, Shahid M, De Buck J, Cobo ER, Kastelic JP, Gao J. Adherent/invasive capacities of bovine-associated Aerococcus viridans contribute to pathogenesis of acute mastitis in a murine model. Veterinary Microbiology. 230: 202-211. PMID 30827389 DOI: 10.1016/J.Vetmic.2019.02.016  1
2019 Jacobs C, Beninger C, Hazlewood GS, Orsel K, Barkema HW. Effect of footbath protocols for prevention and treatment of digital dermatitis in dairy cattle: A systematic review and network meta-analysis. Preventive Veterinary Medicine. 164: 56-71. PMID 30771895 DOI: 10.1016/J.Prevetmed.2019.01.011  1
2019 Cheng J, Qu W, Barkema HW, Nobrega DB, Gao J, Liu G, De Buck J, Kastelic JP, Sun H, Han B. Antimicrobial resistance profiles of 5 common bovine mastitis pathogens in large Chinese dairy herds. Journal of Dairy Science. PMID 30639013 DOI: 10.3168/Jds.2018-15135  1
2018 Qu Y, Zhao H, Nobrega DB, Cobo ER, Han B, Zhao Z, Li S, Li M, Barkema HW, Gao J. Molecular epidemiology and distribution of antimicrobial resistance genes of Staphylococcus species isolated from Chinese dairy cows with clinical mastitis. Journal of Dairy Science. PMID 30591326 DOI: 10.3168/Jds.2018-15136  1
2018 Liu G, Ding L, Han B, Piepers S, Naqvi SA, Barkema HW, Ali T, De Vliegher S, Xu S, Gao J. Characteristics of Isolated from Bovine Mastitis Exposed to Subminimum Inhibitory Concentrations of Cefalotin or Ceftazidime. Biomed Research International. 2018: 4301628. PMID 30515397 DOI: 10.1155/2018/4301628  1
2018 Derakhshani H, Plaizier JC, De Buck J, Barkema HW, Khafipour E. Association of bovine major histocompatibility complex (BoLA) gene polymorphism with colostrum and milk microbiota of dairy cows during the first week of lactation. Microbiome. 6: 203. PMID 30419937 DOI: 10.1186/S40168-018-0586-1  1
2018 Corbett CS, Naqvi SA, Bauman CA, De Buck J, Orsel K, Uehlinger F, Kelton DF, Barkema HW. Prevalence of Mycobacterium avium ssp. paratuberculosis infections in Canadian dairy herds. Journal of Dairy Science. PMID 30316607 DOI: 10.3168/Jds.2018-14854  1
2018 Narayana SG, Miglior F, Naqvi SA, Malchiodi F, Martin P, Barkema HW. Genetic analysis of subclinical mastitis in early lactation of heifers using both linear and threshold models. Journal of Dairy Science. PMID 30316600 DOI: 10.3168/Jds.2018-15126  1
2018 Derakhshani H, Fehr KB, Sepehri S, Francoz D, De Buck J, Barkema HW, Plaizier JC, Khafipour E. Invited review: Microbiota of the bovine udder: Contributing factors and potential implications for udder health and mastitis susceptibility. Journal of Dairy Science. PMID 30292553 DOI: 10.3168/Jds.2018-14860  1
2018 Derakhshani H, Plaizier JC, De Buck J, Barkema HW, Khafipour E. Composition of the teat canal and intramammary microbiota of dairy cows subjected to antimicrobial dry cow therapy and internal teat sealant. Journal of Dairy Science. PMID 30172408 DOI: 10.3168/Jds.2018-14858  1
2018 Ritter C, Adams CL, Kelton DF, Barkema HW. Clinical communication patterns of veterinary practitioners during dairy herd health and production management farm visits. Journal of Dairy Science. PMID 30172401 DOI: 10.3168/Jds.2018-14741  1
2018 Winder CB, Bauman CA, Duffield TF, Barkema HW, Keefe GP, Dubuc J, Uehlinger F, Kelton DF. Canadian National Dairy Study: Heifer calf management. Journal of Dairy Science. PMID 30172400 DOI: 10.3168/Jds.2018-14680  1
2018 Corbett CS, Naqvi SA, De Buck J, Kanevets U, Kastelic JP, Barkema HW. Environmental sample characteristics and herd size associated with decreased herd-level prevalence of Mycobacterium avium ssp. paratuberculosis. Journal of Dairy Science. 101: 8092-8099. PMID 30126598 DOI: 10.3168/Jds.2018-14661  1
2018 Durst PT, Moore SJ, Ritter C, Barkema HW. Corrigendum to "Evaluation by employees of employee management on large US dairy farms" (J. Dairy Sci. 101:7450-7462). Journal of Dairy Science. 101: 8617. PMID 30122606 DOI: 10.3168/Jds.2018-101-9-8617  1
2018 Tse C, Barkema HW, DeVries TJ, Rushen J, Vasseur E, Pajor EA. Producer experience with transitioning to automatic milking: Cow training, challenges, and effect on quality of life. Journal of Dairy Science. PMID 30077446 DOI: 10.3168/Jds.2018-14662  1
2018 Watts KM, Fodor C, Beninger C, Lahiri P, Arrazuria R, De Buck J, Knight CG, Orsel K, Barkema HW, Cobo ER. A Differential Innate Immune Response in Active and Chronic Stages of Bovine Infectious Digital Dermatitis. Frontiers in Microbiology. 9: 1586. PMID 30072966 DOI: 10.3389/Fmicb.2018.01586  1
2018 Corbett CS, De Buck J, Barkema HW. Effects of freezing on ability to detect Mycobacterium avium subsp. paratuberculosis from bovine tissues following culture. Journal of Veterinary Diagnostic Investigation : Official Publication of the American Association of Veterinary Laboratory Diagnosticians, Inc. 1040638718790781. PMID 30029576 DOI: 10.1177/1040638718790781  1
2018 Charlier J, Barkema HW. DISCONTOOLS supplement: Current research gaps for advancing control of infectious diseases in production animals. Transboundary and Emerging Diseases. 65: 5-8. PMID 29878664 DOI: 10.1111/Tbed.12878  0.01
2018 Aghamohammadi M, Haine D, Kelton DF, Barkema HW, Hogeveen H, Keefe GP, Dufour S. Herd-Level Mastitis-Associated Costs on Canadian Dairy Farms. Frontiers in Veterinary Science. 5: 100. PMID 29868620 DOI: 10.3389/Fvets.2018.00100  1
2018 McKenna SLB, Ritter C, Dohoo I, Keefe GP, Barkema HW. Comparison of fecal pooling strategies for detection of Mycobacterium avium ssp. paratuberculosis in cattle. Journal of Dairy Science. PMID 29803424 DOI: 10.3168/Jds.2018-14458  1
2018 Durst PT, Moore SJ, Ritter C, Barkema HW. Evaluation by employees of employee management on large US dairy farms. Journal of Dairy Science. PMID 29803422 DOI: 10.3168/Jds.2018-14592  1
2018 Nobrega DB, De Buck J, Barkema HW. Antimicrobial resistance in non-aureus staphylococci isolated from milk is associated with systemic but not intramammary administration of antimicrobials in dairy cattle. Journal of Dairy Science. PMID 29729922 DOI: 10.3168/Jds.2018-14540  1
2018 Tse C, Barkema HW, DeVries TJ, Rushen J, Pajor EA. Impact of automatic milking systems on dairy cattle producers' reports of milking labour management, milk production and milk quality. Animal : An International Journal of Animal Bioscience. 1-8. PMID 29615142 DOI: 10.1017/S1751731118000654  1
2018 Jacobs C, Orsel K, Mason S, Barkema W. Comparison of effects of routine topical treatments in the milking parlor on digital dermatitis lesions. Journal of Dairy Science. PMID 29573803 DOI: 10.3168/Jds.2017-13984  0.84
2018 Jamali H, Barkema HW, Jacques M, Lavallée-Bourget EM, Malouin F, Saini V, Stryhn H, Dufour S. Invited review: Incidence, risk factors, and effects of clinical mastitis recurrence in dairy cows. Journal of Dairy Science. PMID 29525302 DOI: 10.3168/Jds.2017-13730  1
2018 Naqvi SA, Nobrega DB, Ronksley PE, Barkema HW. Invited review: Effectiveness of precalving treatment on postcalving udder health in nulliparous dairy heifers: A systematic review and meta-analysis. Journal of Dairy Science. PMID 29525300 DOI: 10.3168/Jds.2017-14301  1
2018 Nobrega DB, Naushad S, Naqvi SA, Condas LAZ, Saini V, Kastelic JP, Luby C, De Buck J, Barkema HW. Prevalence and Genetic Basis of Antimicrobial Resistance in Non-Staphylococci Isolated from Canadian Dairy Herds. Frontiers in Microbiology. 9: 256. PMID 29503642 DOI: 10.3389/Fmicb.2018.00256  1
2018 Zhang L, Gao J, Barkema HW, Ali T, Liu G, Deng Y, Naushad S, Kastelic JP, Han B. Virulence gene profiles: alpha-hemolysin and clonal diversity in Staphylococcus aureus isolates from bovine clinical mastitis in China. Bmc Veterinary Research. 14: 63. PMID 29499697 DOI: 10.1186/S12917-018-1374-7  1
2018 Young-Speirs M, Drouin D, Cavalcante PA, Barkema HW, Cobo ER. Host defense cathelicidins in cattle: types, production, bioactive functions and potential therapeutic and diagnostic applications. International Journal of Antimicrobial Agents. PMID 29476808 DOI: 10.1016/J.Ijantimicag.2018.02.006  1
2018 Naqvi SA, De Buck J, Dufour S, Barkema HW. Udder health in Canadian dairy heifers during early lactation. Journal of Dairy Science. PMID 29397171 DOI: 10.3168/Jds.2017-13579  1
2018 Martin P, Barkema HW, Brito LF, Narayana SG, Miglior F. Symposium review: Novel strategies to genetically improve mastitis resistance in dairy cattle. Journal of Dairy Science. PMID 29331471 DOI: 10.3168/Jds.2017-13554  1
2018 Bauman CA, Barkema HW, Dubuc J, Keefe GP, Kelton DF. Canadian National Dairy Study: Herd-level milk quality. Journal of Dairy Science. PMID 29331467 DOI: 10.3168/Jds.2017-13336  1
2017 Tang KL, Caffrey NP, Nóbrega DB, Cork SC, Ronksley PE, Barkema HW, Polachek AJ, Ganshorn H, Sharma N, Kellner JD, Ghali WA. Restricting the use of antibiotics in food-producing animals and its associations with antibiotic resistance in food-producing animals and human beings: a systematic review and meta-analysis. The Lancet. Planetary Health. 1: e316-e327. PMID 29387833 DOI: 10.1016/S2542-5196(17)30141-9  1
2017 Ritter C, Barkema HW, Adams CL. Action cameras and the Roter interaction analysis system to assess veterinarian-producer interactions in a dairy setting. The Veterinary Record. PMID 29275323 DOI: 10.1136/Vr.104423  1
2017 Kuczewski A, Orsel K, Barkema HW, Kelton DF, Hutchins WA, van der Meer FJUM. Short communication: Evaluation of 5 different ELISA for the detection of bovine leukemia virus antibodies. Journal of Dairy Science. PMID 29274963 DOI: 10.3168/Jds.2017-13626  1
2017 Corbett CS, Barkema HW, De Buck J. Quantifying fecal shedding of Mycobacterium avium ssp. paratuberculosis from calves after experimental infection and exposure. Journal of Dairy Science. PMID 29224863 DOI: 10.3168/Jds.2017-13544  1
2017 Orsel K, Plummer P, Shearer J, De Buck J, Carter SD, Guatteo R, Barkema HW. Missing pieces of the puzzle to effectively control digital dermatitis. Transboundary and Emerging Diseases. PMID 29124910 DOI: 10.1111/Tbed.12729  1
2017 Invik J, Barkema HW, Massolo A, Neumann NF, Checkley S. Total coliform and Escherichia coli contamination in rural well water: analysis for passive surveillance. Journal of Water and Health. 15: 729-740. PMID 29040076 DOI: 10.2166/Wh.2017.185  0.04
2017 Nobrega DB, De Buck J, Naqvi SA, Liu G, Naushad S, Saini V, Barkema HW. Comparison of treatment records and inventory of empty drug containers to quantify antimicrobial usage in dairy herds. Journal of Dairy Science. PMID 28987586 DOI: 10.3168/Jds.2017-13116  1
2017 Cutler JHH, Rushen J, de Passillé AM, Gibbons J, Orsel K, Pajor E, Barkema HW, Solano L, Pellerin D, Haley D, Vasseur E. Producer estimates of prevalence and perceived importance of lameness in dairy herds with tiestalls, freestalls, and automated milking systems. Journal of Dairy Science. PMID 28987585 DOI: 10.3168/Jds.2017-13008  1
2017 Barkema HW, Orsel K, Nielsen SS, Koets AP, Rutten VPMG, Bannantine JP, Keefe GP, Kelton DF, Wells SJ, Whittington RJ, Mackintosh CG, Manning EJ, Weber MF, Heuer C, Forde TL, et al. Knowledge gaps that hamper prevention and control of Mycobacterium avium subspecies paratuberculosis infection. Transboundary and Emerging Diseases. PMID 28941207 DOI: 10.1111/Tbed.12723  1
2017 Uehlinger FD, Naqvi SA, Greenwood SJ, McClure JT, Conboy G, O'Handley R, Barkema HW. Comparison of five diagnostic tests for Giardia duodenalis in fecal samples from young dogs. Veterinary Parasitology. 244: 91-96. PMID 28917325 DOI: 10.1016/J.Vetpar.2017.07.030  1
2017 Jacobs C, Orsel K, Barkema HW. Prevalence of digital dermatitis in young stock in Alberta, Canada, using pen walks. Journal of Dairy Science. PMID 28865852 DOI: 10.3168/Jds.2017-13044  1
2017 Chen W, Liu Y, Barkema HW, Gao J, De Buck J, Kastelic JP, Liu G, Ali T, Shahid M, Han B. Short communication: Molecular characteristics, antimicrobial susceptibility, and pathogenicity of clinical Nocardia cyriacigeorgica isolates from an outbreak of bovine mastitis. Journal of Dairy Science. PMID 28803018 DOI: 10.3168/Jds.2017-12680  1
2017 Windeyer MC, Timsit E, Barkema H. Bovine respiratory disease in pre-weaned dairy calves: Are current preventative strategies good enough? Veterinary Journal (London, England : 1997). 224: 16-17. PMID 28697870 DOI: 10.1016/J.Tvjl.2017.05.003  1
2017 Kuenzig ME, Yim J, Coward S, Eksteen B, Seow CH, Barnabe C, Barkema HW, Silverberg MS, Lakatos PL, Beck PL, Fedorak R, Dieleman LA, Madsen K, Panaccione R, Ghosh S, et al. The NOD2-Smoking Interaction in Crohn's Disease is likely Specific to the 1007fs Mutation and may be Explained by Age at Diagnosis: A Meta-Analysis and Case-Only Study. Ebiomedicine. PMID 28668336 DOI: 10.1016/J.Ebiom.2017.06.012  1
2017 Carson DA, Barkema HW, Naushad S, De Buck J. Bacteriocins of non-aureus staphylococci isolated from bovine milk. Applied and Environmental Microbiology. PMID 28667105 DOI: 10.1128/Aem.01015-17  1
2017 Morabito E, Barkema HW, Pajor EA, Solano L, Pellerin D, Orsel K. Effects of changing freestall area on lameness, lying time, and leg injuries on dairy farms in Alberta, Canada. Journal of Dairy Science. PMID 28601461 DOI: 10.3168/Jds.2016-12467  1
2017 Bras AL, Suleman M, Woodbury M, Register K, Barkema HW, Perez-Casal J, Windeyer MC. A serologic survey of Mycoplasma spp. in farmed bison ( Bison bison) herds in western Canada. Journal of Veterinary Diagnostic Investigation : Official Publication of the American Association of Veterinary Laboratory Diagnosticians, Inc. 1040638717710057. PMID 28578617 DOI: 10.1177/1040638717710057  1
2017 Li J, Ueno A, Iacucci M, Fort Gasia M, Jijon HB, Panaccione R, Kaplan GG, Beck PL, Luider J, Barkema HW, Qian J, Gui X, Ghosh S. Crossover Subsets of CD4(+) T Lymphocytes in the Intestinal Lamina Propria of Patients with Crohn's Disease and Ulcerative Colitis. Digestive Diseases and Sciences. PMID 28573508 DOI: 10.1007/S10620-017-4596-9  1
2017 Condas LAZ, De Buck J, Nobrega DB, Carson DA, Naushad S, De Vliegher S, Zadoks RN, Middleton JR, Dufour S, Kastelic JP, Barkema HW. Prevalence of non-aureus Staphylococcus species causing intramammary infections in Canadian dairy herds. Journal of Dairy Science. PMID 28527793 DOI: 10.3168/Jds.2016-12478  1
2017 Jacobs C, Orsel K, Mason S, Gray K, Barkema HW. Comparison of the efficacy of a commercial footbath product with copper sulfate for the control of digital dermatitis. Journal of Dairy Science. PMID 28478000 DOI: 10.3168/Jds.2016-12257  1
2017 Bras AL, Barkema HW, Woodbury MR, Ribble CS, Perez-Casal J, Windeyer MC. Clinical presentation, prevalence, and risk factors associated with Mycoplasma bovis-associated disease in farmed bison (Bison bison) herds in western Canada. Journal of the American Veterinary Medical Association. 250: 1167-1175. PMID 28467749 DOI: 10.2460/Javma.250.10.1167  1
2017 Condas LAZ, De Buck J, Nobrega DB, Carson DA, Roy JP, Keefe GP, DeVries TJ, Middleton JR, Dufour S, Barkema HW. Distribution of non-aureus staphylococci species in udder quarters with low and high somatic cell count, and clinical mastitis. Journal of Dairy Science. PMID 28456402 DOI: 10.3168/Jds.2016-12479  1
2017 Corbett CS, De Buck J, Orsel K, Barkema HW. Fecal shedding and tissue infections demonstrate transmission of Mycobacterium avium subsp. paratuberculosis in group-housed dairy calves. Veterinary Research. 48: 27. PMID 28454560 DOI: 10.1186/S13567-017-0431-8  1
2017 Gao J, Barkema HW, Zhang L, Liu G, Deng Z, Cai L, Shan R, Zhang S, Zou J, Kastelic JP, Han B. Incidence of clinical mastitis and distribution of pathogens on large Chinese dairy farms. Journal of Dairy Science. PMID 28434736 DOI: 10.3168/Jds.2016-12334  1
2017 Roy GL, De Buck J, Wolf R, Mortier RA, Orsel K, Barkema HW. Experimental infection with Mycobacterium avium subspecies paratuberculosis resulting in decreased body weight in Holstein-Friesian calves. The Canadian Veterinary Journal = La Revue Veterinaire Canadienne. 58: 296-298. PMID 28246421  1
2017 Ritter C, Jansen J, Roche S, Kelton DF, Adams CL, Orsel K, Erskine RJ, Benedictus G, Lam TJ, Barkema HW. Invited review: Determinants of farmers' adoption of management-based strategies for infectious disease prevention and control. Journal of Dairy Science. PMID 28237585 DOI: 10.3168/Jds.2016-11977  1
2017 Wolf R, Hiesel J, Kuchling S, Deutz A, Kastelic J, Barkema HW, Wagner P. Spatial-temporal cluster analysis of fatal Clostridium chauvoei cases among cattle in Styria, Austria between 1986 and 2013. Preventive Veterinary Medicine. 138: 134-138. PMID 28237228 DOI: 10.1016/J.Prevetmed.2017.01.019  1
2017 Liu G, Yin J, Barkema HW, Chen L, Shahid M, Szenci O, De Buck J, Kastelic JP, Han B. Development of a single-dose recombinant CAMP factor entrapping poly(lactide-co-glycolide) microspheres-based vaccine against Streptococcus agalactiae. Vaccine. PMID 28162819 DOI: 10.1016/J.Vaccine.2017.01.041  1
2017 Tse C, Barkema HW, DeVries TJ, Rushen J, Pajor EA. Effect of transitioning to automatic milking systems on producers' perceptions of farm management and cow health in the Canadian dairy industry. Journal of Dairy Science. PMID 28109587 DOI: 10.3168/Jds.2016-11521  1
2017 Solano L, Barkema HW, Pickel C, Orsel K. Effectiveness of a standardized footbath protocol for prevention of digital dermatitis. Journal of Dairy Science. 100: 1295-1307. PMID 27939539 DOI: 10.3168/Jds.2016-11464  1
2017 Solano L, Barkema HW, Jacobs C, Orsel K. Validation of the M-stage scoring system for digital dermatitis on dairy cows in the milking parlor. Journal of Dairy Science. 100: 1592-1603. PMID 27889123 DOI: 10.3168/Jds.2016-11365  1
2016 Naushad S, Barkema HW, Luby C, Condas LA, Nobrega DB, Carson DA, De Buck J. Comprehensive Phylogenetic Analysis of Bovine Non-aureus Staphylococci Species Based on Whole-Genome Sequencing. Frontiers in Microbiology. 7: 1990. PMID 28066335 DOI: 10.3389/Fmicb.2016.01990  1
2016 Cameron M, Barkema HW, De Buck J, De Vliegher S, Chaffer M, Lewis J, Keefe GP. Identification of bovine-associated coagulase-negative staphylococci by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry using a direct transfer protocol. Journal of Dairy Science. PMID 28041734 DOI: 10.3168/Jds.2016-12020  1
2016 Bauman CA, Barkema HW, Dubuc J, Keefe GP, Kelton DF. Identifying management and disease priorities of Canadian dairy industry stakeholders. Journal of Dairy Science. 99: 10194-10203. PMID 27720160 DOI: 10.3168/Jds.2016-11057  1
2016 Ritter C, Jansen J, Roth K, Kastelic JP, Adams CL, Barkema HW. Dairy farmers' perceptions toward the implementation of on-farm Johne's disease prevention and control strategies. Journal of Dairy Science. PMID 27592427 DOI: 10.3168/Jds.2016-10896  1
2016 Ahlstrom C, Barkema HW, De Buck J. Relative frequency of 4 major strain types of Mycobacterium avium ssp. paratuberculosis in Canadian dairy herds using a novel single nucleotide polymorphism-based polymerase chain reaction. Journal of Dairy Science. PMID 27497900 DOI: 10.3168/Jds.2016-11397  1
2016 Bras AL, Barkema HW, Woodbury M, Ribble C, Perez-Casal J, Windeyer MC. Risk factors for Mycoplasma bovis-associated disease in farmed bison (Bison bison) herds in western Canada: A case-control study. Preventive Veterinary Medicine. 129: 67-73. PMID 27317324 DOI: 10.1016/J.Prevetmed.2016.05.011  1
2016 Tom MR, Li J, Ueno A, Fort Gasia M, Chan R, Hung DY, Chenoo S, Iacucci M, Jijon HB, Kaplan GG, Beck PL, Panaccione R, Barkema HW, Buret AG, Yajnik V, et al. Novel CD8+ T-Cell Subsets Demonstrating Plasticity in Patients with Inflammatory Bowel Disease. Inflammatory Bowel Diseases. 22: 1596-608. PMID 27306067 DOI: 10.1097/Mib.0000000000000848  1
2016 Li J, Ueno A, Fort Gasia M, Luider J, Wang T, Hirota C, Jijon HB, Deane M, Tom M, Chan R, Barkema HW, Beck PL, Kaplan GG, Panaccione R, Qian J, et al. Profiles of Lamina Propria T Helper Cell Subsets Discriminate Between Ulcerative Colitis and Crohn's Disease. Inflammatory Bowel Diseases. PMID 27243594 DOI: 10.1097/Mib.0000000000000811  1
2016 Solano L, Barkema HW, Mason S, Pajor EA, LeBlanc SJ, Orsel K. Prevalence and distribution of foot lesions in dairy cattle in Alberta, Canada. Journal of Dairy Science. PMID 27236761 DOI: 10.3168/Jds.2016-10941  1
2016 Negrón ME, Rezaie A, Barkema HW, Rioux K, De Buck J, Checkley S, Beck PL, Carroll M, Fedorak RN, Dieleman L, Panaccione R, Ghosh S, Kaplan GG. Ulcerative Colitis Patients With Clostridium difficile are at Increased Risk of Death, Colectomy, and Postoperative Complications: A Population-Based Inception Cohort Study. The American Journal of Gastroenterology. PMID 27091322 DOI: 10.1038/Ajg.2016.106  1
2016 Derakhshani H, De Buck J, Mortier R, Barkema HW, Krause DO, Khafipour E. The Features of Fecal and Ileal Mucosa-Associated Microbiota in Dairy Calves during Early Infection with Mycobacterium avium Subspecies paratuberculosis. Frontiers in Microbiology. 7: 426. PMID 27065983 DOI: 10.3389/Fmicb.2016.00426  1
2016 Wolf R, Barkema HW, De Buck J, Orsel K. Dairy farms testing positive for Mycobacterium avium ssp. paratuberculosis have poorer hygiene practices and are less cautious when purchasing cattle than test-negative herds. Journal of Dairy Science. 99: 4526-36. PMID 26995127 DOI: 10.3168/Jds.2015-10478  1
2016 Ahlstrom C, Barkema HW, Stevenson K, Zadoks RN, Biek R, Kao R, Trewby H, Haupstein D, Kelton DF, Fecteau G, Labrecque O, Keefe GP, McKenna SL, Tahlan K, De Buck J. Genome-Wide Diversity and Phylogeography of Mycobacterium avium subsp. paratuberculosis in Canadian Dairy Cattle. Plos One. 11: e0149017. PMID 26871723 DOI: 10.1371/Journal.Pone.0149017  1
2016 Wolf R, Orsel K, De Buck J, Kanevets U, Barkema HW. Short communication: Evaluation of sampling socks for detection of Mycobacterium avium ssp. paratuberculosis on dairy farms. Journal of Dairy Science. 99: 2950-5. PMID 26851860 DOI: 10.3168/Jds.2015-10279  1
2016 Solano L, Barkema HW, Pajor EA, Mason S, LeBlanc SJ, Nash CG, Haley DB, Pellerin D, Rushen J, de Passillé AM, Vasseur E, Orsel K. Associations between lying behavior and lameness in Canadian Holstein-Friesian cows housed in freestall barns. Journal of Dairy Science. PMID 26805982 DOI: 10.3168/Jds.2015-10336  1
2016 Ritter C, Wolf R, Adams CL, Kelton DF, Pickel C, Mason S, Orsel K, De Buck J, Barkema HW. Short communication: Herd-level prevalence of Mycobacterium avium ssp. paratuberculosis is not associated with participation in a voluntary Alberta Johne's disease control program. Journal of Dairy Science. PMID 26778309 DOI: 10.3168/Jds.2015-10356  1
2015 Levison LJ, Miller-Cushon EK, Tucker AL, Bergeron R, Leslie KE, Barkema HW, DeVries TJ. Incidence rate of pathogen-specific clinical mastitis on conventional and organic Canadian dairy farms. Journal of Dairy Science. PMID 26686728 DOI: 10.3168/Jds.2015-9809  1
2015 Mortier RA, Barkema HW, Orsel K, Muench GP, Bystrom JM, Illanes O, De Buck J. Longitudinal evaluation of diagnostics in experimentally infected young calves during subclinical and clinical paratuberculosis. The Canadian Veterinary Journal. La Revue VéTéRinaire Canadienne. 56: 1266-70. PMID 26663923  1
2015 Murray CF, Fick LJ, Pajor EA, Barkema HW, Jelinski MD, Windeyer MC. Calf management practices and associations with herd-level morbidity and mortality on beef cow-calf operations. Animal : An International Journal of Animal Bioscience. 1-10. PMID 26490571 DOI: 10.1017/S1751731115002062  1
2015 Wolf R, Barkema HW, De Buck J, Orsel K. Factors affecting management changes on farms participating in a Johne's disease control program. Journal of Dairy Science. 98: 7784-96. PMID 26342989 DOI: 10.3168/Jds.2015-9610  1
2015 Ritter C, Kwong GP, Wolf R, Pickel C, Slomp M, Flaig J, Mason S, Adams CL, Kelton DF, Jansen J, De Buck J, Barkema HW. Factors associated with participation of Alberta dairy farmers in a voluntary, management-based Johne's disease control program. Journal of Dairy Science. PMID 26342983 DOI: 10.3168/Jds.2015-9789  1
2015 Barkema HW, von Keyserlingk MA, Kastelic JP, Lam TJ, Luby C, Roy JP, LeBlanc SJ, Keefe GP, Kelton DF. Invited review: Changes in the dairy industry affecting dairy cattle health and welfare. Journal of Dairy Science. 98: 7426-7445. PMID 26342982 DOI: 10.3168/Jds.2015-9377  1
2015 Mortier RA, Barkema HW, De Buck J. Susceptibility to and diagnosis of Mycobacterium avium subspecies paratuberculosis infection in dairy calves: A review. Preventive Veterinary Medicine. 121: 189-98. PMID 26321657 DOI: 10.1016/J.Prevetmed.2015.08.011  1
2015 Solano L, Barkema HW, Pajor EA, Mason S, LeBlanc SJ, Zaffino Heyerhoff JC, Nash CG, Haley DB, Vasseur E, Pellerin D, Rushen J, de Passillé AM, Orsel K. Prevalence of lameness and associated risk factors in Canadian Holstein-Friesian cows housed in freestall barns. Journal of Dairy Science. 98: 6978-91. PMID 26254526 DOI: 10.3168/Jds.2015-9652  1
2015 Wolfger B, Timsit E, Pajor EA, Cook N, Barkema HW, Orsel K. Technical note: Accuracy of an ear tag-attached accelerometer to monitor rumination and feeding behavior in feedlot cattle Journal of Animal Science. 93: 3164-3168. PMID 26115302 DOI: 10.2527/Jas.2014-8802  1
2015 Wolf R, Orsel K, De Buck J, Barkema HW. Calves shedding Mycobacterium avium subspecies paratuberculosis are common on infected dairy farms. Veterinary Research. 46: 71. PMID 26091858 DOI: 10.1186/S13567-015-0192-1  1
2015 Becker HM, Grigat D, Ghosh S, Kaplan GG, Dieleman L, Wine E, Fedorak RN, Fernandes A, Panaccione R, Barkema HW. Living with inflammatory bowel disease: A Crohn's and Colitis Canada survey. Canadian Journal of Gastroenterology & Hepatology. 29: 77-84. PMID 25803017 DOI: 10.1155/2015/815820  1
2015 Ahlstrom C, Barkema HW, Stevenson K, Zadoks RN, Biek R, Kao R, Trewby H, Haupstein D, Kelton DF, Fecteau G, Labrecque O, Keefe GP, McKenna SL, De Buck J. Limitations of variable number of tandem repeat typing identified through whole genome sequencing of Mycobacterium avium subsp. paratuberculosis on a national and herd level. Bmc Genomics. 16: 161. PMID 25765045 DOI: 10.1186/S12864-015-1387-6  1
2015 Detilleux J, Kastelic JP, Barkema HW. Mediation analysis to estimate direct and indirect milk losses due to clinical mastitis in dairy cattle. Preventive Veterinary Medicine. 118: 449-56. PMID 25638330 DOI: 10.1016/J.Prevetmed.2015.01.009  1
2015 Leung YP, Kaplan GG, Coward S, Tanyingoh D, Kaplan BJ, Johnston DW, Barkema HW, Ghosh S, Panaccione R, Seow CH. Intrapartum corticosteroid use significantly increases the risk of gestational diabetes in women with inflammatory bowel disease. Journal of Crohn's & Colitis. 9: 223-30. PMID 25576754 DOI: 10.1093/Ecco-Jcc/Jjv006  1
2015 Wolfger B, Schwartzkopf-Genswein KS, Barkema HW, Pajor EA, Levy M, Orsel K. Feeding behavior as an early predictor of bovine respiratory disease in North American feedlot systems. Journal of Animal Science. 93: 377-85. PMID 25568380 DOI: 10.2527/Jas.2013-8030  1
2015 Wolfger B, Manns BJ, Barkema HW, Schwartzkopf-Genswein KS, Dorin C, Orsel K. Evaluating the cost implications of a radio frequency identification feeding system for early detection of bovine respiratory disease in feedlot cattle. Preventive Veterinary Medicine. 118: 285-92. PMID 25534973 DOI: 10.1016/J.Prevetmed.2014.12.001  1
2015 Wolf R, Barkema HW, De Buck J, Orsel K. Sampling location, herd size, and season influence Mycobacterium avium ssp. paratuberculosis environmental culture results Journal of Dairy Science. 98: 275-287. PMID 25465568 DOI: 10.3168/Jds.2014-8676  1
2015 Coward S, Heitman SJ, Clement F, Negron M, Panaccione R, Ghosh S, Barkema HW, Seow C, Leung YP, Kaplan GG. Funding a smoking cessation program for Crohn's disease: an economic evaluation. The American Journal of Gastroenterology. 110: 368-77. PMID 25350768 DOI: 10.1038/Ajg.2014.300  1
2015 Barkema HG, Chen XP, George G, Luo Y, Tsui AS. West meets East: New concepts and theories Academy of Management Journal. 58: 460-479. DOI: 10.5465/amj.2015.4021  1
2015 Wolf R, Barkema HW, De Buck J, Orsel K. Factors affecting management changes on farms participating in a Johne's disease control program Journal of Dairy Science. 98: 7784-7796. DOI: 10.3168/jds.2015-9610  1
2015 Wolfger B, Schwartzkopf-Genswein KS, Barkema HW, Pajor EA, Levy M, Orsel K. Feeding behavior as an early predictor of bovine respiratory disease in North American feedlot systems Journal of Animal Science. 93: 377-385. DOI: 10.2527/jas2013-8030  1
2015 Boons M, Stam D, Barkema HG. Feelings of Pride and Respect as Drivers of Ongoing Member Activity on Crowdsourcing Platforms Journal of Management Studies. 52: 717-741. DOI: 10.1111/joms.12140  1
2015 Detilleux J, Kastelic JP, Barkema HW. Mediation analysis to estimate direct and indirect milk losses due to clinical mastitis in dairy cattle Preventive Veterinary Medicine. 118: 449-456. DOI: 10.1016/j.prevetmed.2015.01.009  1
2014 Cresswell E, Brennan ML, Barkema HW, Wapenaar W. A questionnaire-based survey on the uptake and use of cattle vaccines in the UK. Veterinary Record Open. 1: e000042. PMID 26392877 DOI: 10.1136/vropen-2014-000042  1
2014 Missaghi B, Barkema HW, Madsen KL, Ghosh S. Perturbation of the human microbiome as a contributor to inflammatory bowel disease. Pathogens (Basel, Switzerland). 3: 510-27. PMID 25438009 DOI: 10.3390/Pathogens3030510  1
2014 De Buck J, Shaykhutdinov R, Barkema HW, Vogel HJ. Metabolomic profiling in cattle experimentally infected with Mycobacterium avium subsp. paratuberculosis. Plos One. 9: e111872. PMID 25372282 DOI: 10.1371/Journal.Pone.0111872  1
2014 David J, Barkema HW, Guan le L, De Buck J. Gene-expression profiling of calves 6 and 9 months after inoculation with Mycobacterium avium subspecies paratuberculosis. Veterinary Research. 45: 96. PMID 25294045 DOI: 10.1186/S13567-014-0096-5  1
2014 Pruvot M, Kutz S, Barkema HW, De Buck J, Orsel K. Occurrence of Mycobacterium avium subspecies paratuberculosis and Neospora caninum in Alberta cow-calf operations. Preventive Veterinary Medicine. 117: 95-102. PMID 25277685 DOI: 10.1016/J.Prevetmed.2014.09.003  1
2014 Negrón ME, Kaplan GG, Barkema HW, Eksteen B, Clement F, Manns BJ, Coward S, Panaccione R, Ghosh S, Heitman SJ. Colorectal cancer surveillance in patients with inflammatory bowel disease and primary sclerosing cholangitis: an economic evaluation. Inflammatory Bowel Diseases. 20: 2046-55. PMID 25230162 DOI: 10.1097/MIB.0000000000000181  1
2014 Mortier RA, Barkema HW, Orsel K, Wolf R, De Buck J. Shedding patterns of dairy calves experimentally infected with Mycobacterium avium subspecies paratuberculosis. Veterinary Research. 45: 71. PMID 25224905 DOI: 10.1186/S13567-014-0071-1  1
2014 Mortier RA, Barkema HW, Wilson TA, Sajobi TT, Wolf R, De Buck J. Dose-dependent interferon-gamma release in dairy calves experimentally infected with Mycobacterium avium subspecies paratuberculosis. Veterinary Immunology and Immunopathology. 161: 205-10. PMID 25190508 DOI: 10.1016/J.Vetimm.2014.08.007  1
2014 Negrón ME, Barkema HW, Rioux K, De Buck J, Checkley S, Proulx MC, Frolkis A, Beck PL, Dieleman LA, Panaccione R, Ghosh S, Kaplan GG. Clostridium difficile infection worsens the prognosis of ulcerative colitis. Canadian Journal of Gastroenterology & Hepatology. 28: 373-80. PMID 25157528  1
2014 Wolf R, Barkema HW, De Buck J, Slomp M, Flaig J, Haupstein D, Pickel C, Orsel K. High herd-level prevalence of Mycobacterium avium subspecies paratuberculosis in Western Canadian dairy farms, based on environmental sampling Journal of Dairy Science. 97: 6250-6259. PMID 25151881 DOI: 10.3168/Jds.2014-8101  1
2014 Mortier RA, Barkema HW, Negron ME, Orsel K, Wolf R, De Buck J. Antibody response early after experimental infection with Mycobacterium avium subspecies paratuberculosis in dairy calves. Journal of Dairy Science. 97: 5558-65. PMID 24996279 DOI: 10.3168/Jds.2014-8139  1
2014 Salim SY, Jovel J, Wine E, Kaplan GG, Vincent R, Thiesen A, Barkema HW, Madsen KL. Exposure to ingested airborne pollutant particulate matter increases mucosal exposure to bacteria and induces early onset of inflammation in neonatal IL-10-deficient mice. Inflammatory Bowel Diseases. 20: 1129-38. PMID 24859295 DOI: 10.1097/Mib.0000000000000066  1
2014 David J, Barkema HW, Mortier R, Ghosh S, Guan le L, De Buck J. Gene expression profiling and putative biomarkers of calves 3 months after infection with Mycobacterium avium subspecies paratuberculosis. Veterinary Immunology and Immunopathology. 160: 107-17. PMID 24841487 DOI: 10.1016/J.Vetimm.2014.04.006  1
2014 Ueno A, Jijon H, Traves S, Chan R, Ford K, Beck PL, Iacucci M, Fort Gasia M, Barkema HW, Panaccione R, Kaplan GG, Proud D, Ghosh S. Opposing effects of smoking in ulcerative colitis and Crohn's disease may be explained by differential effects on dendritic cells. Inflammatory Bowel Diseases. 20: 800-10. PMID 24691114 DOI: 10.1097/Mib.0000000000000018  1
2014 Watters ME, Barkema HW, Leslie KE, von Keyserlingk MA, DeVries TJ. Relationship between postmilking standing duration and risk of intramammary infection in freestall-housed dairy cows milked 3 times per day. Journal of Dairy Science. 97: 3456-71. PMID 24679939 DOI: 10.3168/Jds.2013-7381  1
2014 Wolf R, Clement F, Barkema HW, Orsel K. Economic evaluation of participation in a voluntary Johne's disease prevention and control program from a farmer's perspective--The Alberta Johne's Disease Initiative. Journal of Dairy Science. 97: 2822-34. PMID 24582447 DOI: 10.3168/Jds.2013-7454  1
2014 Pruvot M, Kutz S, van der Meer F, Musiani M, Barkema HW, Orsel K. Pathogens at the livestock-wildlife interface in Western Alberta: does transmission route matter? Veterinary Research. 45: 18. PMID 24517283 DOI: 10.1186/1297-9716-45-18  1
2014 Zaffino Heyerhoff JC, LeBlanc SJ, DeVries TJ, Nash CG, Gibbons J, Orsel K, Barkema HW, Solano L, Rushen J, de Passillé AM, Haley DB. Prevalence of and factors associated with hock, knee, and neck injuries on dairy cows in freestall housing in Canada. Journal of Dairy Science. 97: 173-84. PMID 24359942 DOI: 10.3168/Jds.2012-6367  1
2014 Lavers CJ, Barkema HW, Dohoo IR, McKenna SL, Keefe GP. Evaluation of milk ELISA for detection of Mycobacterium avium subspecies paratuberculosis in dairy herds and association with within-herd prevalence. Journal of Dairy Science. 97: 299-309. PMID 24239088 DOI: 10.3168/Jds.2013-7101  1
2014 Ahlstrom C, Barkema HW, De Buck J. Improved short-sequence-repeat genotyping of Mycobacterium avium subsp. paratuberculosis by using matrix-assisted laser desorption ionization-time of flight mass spectrometry. Applied and Environmental Microbiology. 80: 534-9. PMID 24212568 DOI: 10.1128/Aem.03212-13  1
2014 Moran GW, Dubeau MF, Kaplan GG, Yang H, Seow CH, Fedorak RN, Dieleman LA, Barkema HW, Ghosh S, Panaccione R. Phenotypic features of Crohn's disease associated with failure of medical treatment. Clinical Gastroenterology and Hepatology : the Official Clinical Practice Journal of the American Gastroenterological Association. 12: 434-42.e1. PMID 23978351 DOI: 10.1016/J.Cgh.2013.08.026  1
2014 Nadolska A, Barkema HG. Good learners: How top management teams affect the success and frequency of acquisitions Strategic Management Journal. 35: 1483-1507. DOI: 10.1002/smj.2172  1
2013 Lavers CJ, McKenna SL, Dohoo IR, Barkema HW, Keefe GP. Evaluation of environmental fecal culture for Mycobacterium avium subspecies paratuberculosis detection in dairy herds and association with apparent within-herd prevalence. The Canadian Veterinary Journal. La Revue VéTéRinaire Canadienne. 54: 1053-60. PMID 24179240  1
2013 Mortier RA, Barkema HW, Bystrom JM, Illanes O, Orsel K, Wolf R, Atkins G, De Buck J. Evaluation of age-dependent susceptibility in calves infected with two doses of Mycobacterium avium subspecies paratuberculosis using pathology and tissue culture. Veterinary Research. 44: 94. PMID 24099491 DOI: 10.1186/1297-9716-44-94  1
2013 Ueno A, Jijon H, Chan R, Ford K, Hirota C, Kaplan GG, Beck PL, Iacucci M, Fort Gasia M, Barkema HW, Panaccione R, Ghosh S. Increased prevalence of circulating novel IL-17 secreting Foxp3 expressing CD4+ T cells and defective suppressive function of circulating Foxp3+ regulatory cells support plasticity between Th17 and regulatory T cells in inflammatory bowel disease patients. Inflammatory Bowel Diseases. 19: 2522-34. PMID 24097227 DOI: 10.1097/Mib.0B013E3182A85709  1
2013 Condas LA, Ribeiro MG, Yazawa K, de Vargas AP, Salerno T, Giuffrida R, Langoni H, Melville PA, Biesdorf S, Matsuzawa T, Gonoi T, Kastelic JP, Barkema HW. Molecular identification and antimicrobial susceptibility of Nocardia spp. isolated from bovine mastitis in Brazil. Veterinary Microbiology. 167: 708-12. PMID 24060098 DOI: 10.1016/J.Vetmic.2013.08.019  1
2013 Frolkis AD, Dykeman J, Negrón ME, Debruyn J, Jette N, Fiest KM, Frolkis T, Barkema HW, Rioux KP, Panaccione R, Ghosh S, Wiebe S, Kaplan GG. Risk of surgery for inflammatory bowel diseases has decreased over time: a systematic review and meta-analysis of population-based studies. Gastroenterology. 145: 996-1006. PMID 23896172 DOI: 10.1053/J.Gastro.2013.07.041  1
2013 Watters ME, Meijer KM, Barkema HW, Leslie KE, von Keyserlingk MA, Devries TJ. Associations of herd- and cow-level factors, cow lying behavior, and risk of elevated somatic cell count in free-stall housed lactating dairy cows. Preventive Veterinary Medicine. 111: 245-55. PMID 23791124 DOI: 10.1016/J.Prevetmed.2013.05.015  1
2013 Saini V, McClure JT, Scholl DT, DeVries TJ, Barkema HW. Herd-level relationship between antimicrobial use and presence or absence of antimicrobial resistance in gram-negative bovine mastitis pathogens on Canadian dairy farms. Journal of Dairy Science. 96: 4965-76. PMID 23769367 DOI: 10.3168/Jds.2012-5713  1
2013 Barkema HW, De Vliegher S, Piepers S, Zadoks RN. Herd level approach to high bulk milk somatic cell count problems in dairy cattle. The Veterinary Quarterly. 33: 82-93. PMID 23706026 DOI: 10.1080/01652176.2013.799791  1
2013 Kish L, Hotte N, Kaplan GG, Vincent R, Tso R, Gänzle M, Rioux KP, Thiesen A, Barkema HW, Wine E, Madsen KL. Environmental particulate matter induces murine intestinal inflammatory responses and alters the gut microbiome. Plos One. 8: e62220. PMID 23638009 DOI: 10.1371/Journal.Pone.0062220  1
2013 Uehlinger FD, Greenwood SJ, McClure JT, Conboy G, O'Handley R, Barkema HW. Zoonotic potential of Giardia duodenalis and Cryptosporidium spp. and prevalence of intestinal parasites in young dogs from different populations on Prince Edward Island, Canada. Veterinary Parasitology. 196: 509-14. PMID 23601666 DOI: 10.1016/J.Vetpar.2013.03.020  1
2013 Wapenaar W, Barkema HW, O'Handley R. Fecal shedding of Toxocara canis and other parasites in foxes and coyotes on Prince Edward Island, Canada. Journal of Wildlife Diseases. 49: 394-7. PMID 23568915 DOI: 10.7589/2012-04-113  1
2013 Frolkis A, Dieleman LA, Barkema HW, Panaccione R, Ghosh S, Fedorak RN, Madsen K, Kaplan GG. Environment and the inflammatory bowel diseases. Canadian Journal of Gastroenterology = Journal Canadien De Gastroenterologie. 27: e18-24. PMID 23516681 DOI: 10.1155/2013/102859  1
2013 Ajitkumar P, Barkema HW, Zadoks RN, Morck DW, van der Meer FJ, De Buck J. High-resolution melt analysis for species identification of coagulase-negative staphylococci derived from bovine milk. Diagnostic Microbiology and Infectious Disease. 75: 227-34. PMID 23273337 DOI: 10.1016/J.Diagmicrobio.2012.11.008  1
2013 Stam D, De Vet A, Barkema HG, De Dreu CKW. Suspending group debate and developing concepts Journal of Product Innovation Management. 30: 48-61. DOI: 10.1111/jpim.12063  1
2012 Olde Riekerink RGM, Ohnstad I, van Santen B, Barkema HW. Effect of an automated dipping and backflushing system on somatic cell counts Journal of Dairy Science. 95: 4931-4938. PMID 22916897 DOI: 10.3168/Jds.2011-4939  1
2012 DeVries TJ, Aarnoudse MG, Barkema HW, Leslie KE, von Keyserlingk MAG. Associations of dairy cow behavior, barn hygiene, cow hygiene, and risk of elevated somatic cell count Journal of Dairy Science. 95: 5730-5739. PMID 22884345 DOI: 10.3168/Jds.2012-5375  1
2012 Saini V, McClure JT, Léger D, Keefe GP, Scholl DT, Morck DW, Barkema HW. Antimicrobial resistance profiles of common mastitis pathogens on Canadian dairy farms. Journal of Dairy Science. 95: 4319-32. PMID 22818446 DOI: 10.3168/Jds.2012-5373  1
2012 Hoever IJ, van Knippenberg D, van Ginkel WP, Barkema HG. Fostering team creativity: Perspective Taking as Key to Unlocking Diversity's Potential Journal of Applied Psychology. 97: 982-996. PMID 22774764 DOI: 10.1037/a0029159  1
2012 Ceballos-Márquez A, Barkema HW, Stryhn H, Dohoo IR, Keefe GP, Wichtel JJ. Bulk tank milk selenium and its association with milk production parameters in Canadian dairy herds. The Canadian Veterinary Journal. La Revue VéTéRinaire Canadienne. 53: 51-6. PMID 22753963  1
2012 Soon IS, Molodecky NA, Rabi DM, Ghali WA, Barkema HW, Kaplan GG. The relationship between urban environment and the inflammatory bowel diseases: a systematic review and meta-analysis. Bmc Gastroenterology. 12: 51. PMID 22624994 DOI: 10.14309/00000434-201010001-01265  1
2012 Dufour S, Dohoo IR, Barkema HW, Descôteaux L, Devries TJ, Reyher KK, Roy JP, Scholl DT. Epidemiology of coagulase-negative staphylococci intramammary infection in dairy cattle and the effect of bacteriological culture misclassification. Journal of Dairy Science. 95: 3110-24. PMID 22612947 DOI: 10.3168/Jds.2011-5164  1
2012 Ohnstad I, Olde Riekerink RGM, Hogewerf P, de Koning CAJM, Barkema HW. Short communication: Effect of automatic postmilking teat disinfection and cluster flushing on the milking work routine Journal of Dairy Science. 95: 2567-2570. PMID 22541484 DOI: 10.3168/Jds.2011-4946  1
2012 Budu-Amoako E, Greenwood SJ, Dixon BR, Barkema HW, McClure JT. Giardia and Cryptosporidium on dairy farms and the role these farms may play in contaminating water sources in Prince Edward Island, Canada. Journal of Veterinary Internal Medicine / American College of Veterinary Internal Medicine. 26: 668-73. PMID 22489682 DOI: 10.1111/J.1939-1676.2012.00930.X  1
2012 Saini V, McClure JT, Scholl DT, DeVries TJ, Barkema HW. Herd-level association between antimicrobial use and antimicrobial resistance in bovine mastitis Staphylococcus aureus isolates on Canadian dairy farms. Journal of Dairy Science. 95: 1921-9. PMID 22459839 DOI: 10.3168/Jds.2011-5065  1
2012 Budu-Amoako E, Greenwood SJ, Dixon BR, Sweet L, Ang L, Barkema HW, McClure JT. Molecular epidemiology of Cryptosporidium and Giardia in humans on Prince Edward Island, Canada: evidence of zoonotic transmission from cattle. Zoonoses and Public Health. 59: 424-33. PMID 22390418 DOI: 10.1111/J.1863-2378.2012.01474.X  1
2012 Dufour S, Dohoo IR, Barkema HW, Descôteaux L, Devries TJ, Reyher KK, Roy JP, Scholl DT. Manageable risk factors associated with the lactational incidence, elimination, and prevalence of Staphylococcus aureus intramammary infections in dairy cows. Journal of Dairy Science. 95: 1283-300. PMID 22365211 DOI: 10.3168/Jds.2011-4711  1
2012 Saini V, McClure JT, Léger D, Dufour S, Sheldon AG, Scholl DT, Barkema HW. Antimicrobial use on Canadian dairy farms. Journal of Dairy Science. 95: 1209-21. PMID 22365205 DOI: 10.3168/Jds.2011-4527  1
2012 De Vliegher S, Fox LK, Piepers S, McDougall S, Barkema HW. Invited review: Mastitis in dairy heifers: Nature of the disease, potential impact, prevention, and control Journal of Dairy Science. 95: 1025-1040. PMID 22365187 DOI: 10.3168/Jds.2010-4074  1
2012 Budu-Amoako E, Greenwood SJ, Dixon BR, Barkema HW, McClure JT. Occurrence of Cryptosporidium and Giardia on beef farms and water sources within the vicinity of the farms on Prince Edward Island, Canada. Veterinary Parasitology. 184: 1-9. PMID 22112978 DOI: 10.1016/J.Vetpar.2011.10.027  1
2012 Molodecky NA, Soon IS, Rabi DM, Ghali WA, Ferris M, Chernoff G, Benchimol EI, Panaccione R, Ghosh S, Barkema HW, Kaplan GG. Increasing incidence and prevalence of the inflammatory bowel diseases with time, based on systematic review. Gastroenterology. 142: 46-54.e42; quiz e30. PMID 22001864 DOI: 10.1053/J.Gastro.2011.10.001  1
2012 Ajitkumar P, Barkema HW, De Buck J. Rapid identification of bovine mastitis pathogens by high-resolution melt analysis of 16S rDNA sequences. Veterinary Microbiology. 155: 332-40. PMID 21944716 DOI: 10.1016/J.Vetmic.2011.08.033  1
2012 Budu-Amoako E, Greenwood SJ, Dixon BR, Barkema HW, Hurnik D, Estey C, McClure JT. Occurrence of Giardia and Cryptosporidium in pigs on Prince Edward Island, Canada. Veterinary Parasitology. 184: 18-24. PMID 21868167 DOI: 10.1016/J.Vetpar.2011.07.047  1
2012 Wapenaar W, De Bie F, Johnston D, O'Handley RM, Barkema HW. Population structure of harvested Red Foxes (Vulpes vulpes) and Coyotes (Canis latrans) on Prince Edward Island, Canada Canadian Field-Naturalist. 126: 288-294. DOI: 10.22621/Cfn.V126I4.1374  1
2012 Bradley A, Barkema H, Biggs A, Green M, Lam T. Control of mastitis and enhancement of milk quality Dairy Herd Health. 117-168.  1
2011 Menon AG, Barkema HW, Wilde R, Kastelic JP, Thundathil JC. Associations between sperm abnormalities, breed, age, and scrotal circumference in beef bulls. Canadian Journal of Veterinary Research = Revue Canadienne De Recherche VéTéRinaire. 75: 241-7. PMID 22468020  1
2011 Uehlinger FD, Greenwood SJ, O'Handley R, McClure JT, Coklin T, Dixon BR, de Boer M, Zwiers H, Barkema HW. Prevalence and genotypes of Giardia duodenalis in dairy and beef cattle in farms around Charlottetown, Prince Edward Island, Canada. The Canadian Veterinary Journal. La Revue Vã©Tã©Rinaire Canadienne. 52: 967-72. PMID 22379195  1
2011 Budu-Amoako E, Greenwood SJ, Dixon BR, Barkema HW, McClure JT. Foodborne illness associated with Cryptosporidium and Giardia from livestock. Journal of Food Protection. 74: 1944-55. PMID 22054199 DOI: 10.4315/0362-028X.Jfp-11-107  1
2011 DeVries TJ, Deming JA, Rodenburg J, Seguin G, Leslie KE, Barkema HW. Association of standing and lying behavior patterns and incidence of intramammary infection in dairy cows milked with an automatic milking system Journal of Dairy Science. 94: 3845-3855. PMID 21787921 DOI: 10.3168/Jds.2010-4032  1
2011 Molodecky NA, Panaccione R, Ghosh S, Barkema HW, Kaplan GG. Challenges associated with identifying the environmental determinants of the inflammatory bowel diseases. Inflammatory Bowel Diseases. 17: 1792-9. PMID 21744435 DOI: 10.1002/Ibd.21511  1
2011 Menon AG, Thundathil JC, Wilde R, Kastelic JP, Barkema HW. Validating the assessment of bull sperm morphology by veterinary practitioners. The Canadian Veterinary Journal. La Revue VéTéRinaire Canadienne. 52: 407-8. PMID 21731095  1
2011 Wasko AJ, Barkema HW, Nicol J, Fernandez N, Logie N, Léguillette R. Evaluation of a risk-screening questionnaire to detect equine lung inflammation: results of a large field study. Equine Veterinary Journal. 43: 145-52. PMID 21592207 DOI: 10.1111/J.2042-3306.2010.00150.X  1
2011 Molodecky NA, Myers RP, Barkema HW, Quan H, Kaplan GG. Validity of administrative data for the diagnosis of primary sclerosing cholangitis: a population-based study. Liver International : Official Journal of the International Association For the Study of the Liver. 31: 712-20. PMID 21457444 DOI: 10.1111/J.1478-3231.2011.02484.X  1
2011 Piepers S, Peeters K, Opsomer G, Barkema HW, Frankena K, De Vliegher S. Pathogen group specific risk factors at herd, heifer and quarter levels for intramammary infections in early lactating dairy heifers Preventive Veterinary Medicine. 99: 91-101. PMID 21411160 DOI: 10.1016/J.Prevetmed.2011.02.010  1
2011 Molodecky NA, Kareemi H, Parab R, Barkema HW, Quan H, Myers RP, Kaplan GG. Incidence of primary sclerosing cholangitis: a systematic review and meta-analysis. Hepatology (Baltimore, Md.). 53: 1590-9. PMID 21351115 DOI: 10.1002/Hep.24247  1
2011 Reyher KK, Dufour S, Barkema HW, Des Côteaux L, Devries TJ, Dohoo IR, Keefe GP, Roy JP, Scholl DT. The National Cohort of Dairy Farms--a data collection platform for mastitis research in Canada. Journal of Dairy Science. 94: 1616-26. PMID 21338829 DOI: 10.3168/Jds.2010-3180  1
2011 Saini V, Riekerink RG, McClure JT, Barkema HW. Diagnostic accuracy assessment of Sensititre and agar disk diffusion for determining antimicrobial resistance profiles of bovine clinical mastitis pathogens. Journal of Clinical Microbiology. 49: 1568-77. PMID 21270215 DOI: 10.1128/Jcm.02209-10  1
2011 Lievaart JJ, Reneau JK, Kremer WDJ, Barkema HW. Short communication: Influence of sampling interval on the accuracy of predicting bulk milk somatic cell count Journal of Dairy Science. 94: 804-807. PMID 21257049 DOI: 10.3168/Jds.2010-3567  1
2011 Dufour S, Fréchette A, Barkema HW, Mussell A, Scholl DT. Invited review: Effect of udder health management practices on herd somatic cell count Journal of Dairy Science. 94: 563-579. PMID 21257026 DOI: 10.3168/Jds.2010-3715  1
2011 Plozza K, Lievaart JJ, Potts G, Barkema HW. Subclinical mastitis and associated risk factors on dairy farms in New South Wales. Australian Veterinary Journal. 89: 41-6. PMID 21250955 DOI: 10.1111/J.1751-0813.2010.00649.X  1
2011 Steeneveld W, van Werven T, Barkema HW, Hogeveen H. Cow-specific treatment of clinical mastitis: an economic approach. Journal of Dairy Science. 94: 174-88. PMID 21183029 DOI: 10.3168/Jds.2010-3367  1
2010 Ceballos-Marquez A, Barkema HW, Stryhn H, Dohoo IR, Keefe GP, Wichtel JJ. Milk selenium concentration and its association with udder health in Atlantic Canadian dairy herds Journal of Dairy Science. 93: 4700-4709. PMID 20855004 DOI: 10.3168/Jds.2010-3313  1
2010 Ceballos-Marquez A, Barkema HW, Stryhn H, Wichtel JJ, Neumann J, Mella A, Kruze J, Espindola MS, Wittwer F. The effect of selenium supplementation before calving on early-lactation udder health in pastured dairy heifers Journal of Dairy Science. 93: 4602-4612. PMID 20854994 DOI: 10.3168/Jds.2010-3086  1
2010 Olde Riekerink RG, Barkema HW, Scholl DT, Poole DE, Kelton DF. Management practices associated with the bulk-milk prevalence of Staphylococcus aureus in Canadian dairy farms. Preventive Veterinary Medicine. 97: 20-8. PMID 20696486 DOI: 10.1016/J.Prevetmed.2010.07.002  1
2010 Sampimon O, van den Borne BH, Santman-Berends I, Barkema HW, Lam T. Effect of coagulase-negative staphylococci on somatic cell count in Dutch dairy herds. The Journal of Dairy Research. 77: 318-24. PMID 20450528 DOI: 10.1017/S0022029910000191  1
2010 Piepers S, Opsomer G, Barkema HW, de Kruif A, De Vliegher S. Heifers infected with coagulase-negative staphylococci in early lactation have fewer cases of clinical mastitis and higher milk production in their first lactation than noninfected heifers Journal of Dairy Science. 93: 2014-2024. PMID 20412915 DOI: 10.3168/Jds.2009-2897  1
2010 van der Meer FJ, Orsel K, Barkema HW. The new influenza A H1N1 virus: balancing on the interface of humans and animals. The Canadian Veterinary Journal. La Revue VéTéRinaire Canadienne. 51: 56-62. PMID 20357942  1
2010 Dufour S, Barkema HW, DesCôteaux L, DeVries TJ, Dohoo IR, Reyher K, Roy JP, Scholl DT. Development and validation of a bilingual questionnaire for measuring udder health related management practices on dairy farms. Preventive Veterinary Medicine. 95: 74-85. PMID 20347164 DOI: 10.1016/J.Prevetmed.2010.02.018  1
2010 Ceballos A, Kruze J, Barkema HW, Dohoo IR, Sanchez J, Uribe D, Wichtel JJ, Wittwer F. Barium selenate supplementation and its effect on intramammary infection in pasture-based dairy cows Journal of Dairy Science. 93: 1468-1477. PMID 20338424 DOI: 10.3168/Jds.2009-2410  1
2010 Lievaart JJ, Barkema HW, van den Broek J, Heesterbeek JAP, Kremer WDJ. Prediction of the herd somatic cell count of the following month using a linear mixed effect model Journal of Dairy Science. 93: 234-241. PMID 20059921 DOI: 10.3168/Jds.2009-2580  1
2010 Steeneveld W, van der Gaag LC, Barkema HW, Hogeveen H. Simplify the interpretation of alert lists for clinical mastitis in automatic milking systems Computers and Electronics in Agriculture. 71: 50-56. DOI: 10.1016/J.Compag.2009.12.011  1
2010 Barkema HW, Hendrick S, De Buck JM, Ghosh S, Kaplan GG, Rioux KP. Crohn's disease in humans and johne's disease in cattle-linked diseases? Zoonotic Pathogens in the Food Chain. 197-213.  1
2010 Barkema HW, Hesselink JW, McKenna SLB, Benedictus G, Groenendaal H. Global prevalence and economics of infection with mycobacterium avium subsp. paratuberculosis in ruminants Paratuberculosis: Organism, Disease, Control. 10-21.  1
2009 Barkema HW, Green MJ, Bradley AJ, Zadoks RN. Invited review: The role of contagious disease in udder health. Journal of Dairy Science. 92: 4717-29. PMID 19762787 DOI: 10.3168/Jds.2009-2347  1
2009 Lievaart J, Barkema HW, Hogeveen H, Kremer W. Reliability of the bulk milk somatic cell count as an indication of average herd somatic cell count. The Journal of Dairy Research. 76: 490-6. PMID 19758478 DOI: 10.1017/S0022029909990264  1
2009 Sampimon OC, de Vliegher S, Barkema HW, Sol J, Lam TJGM. Effect of prepartum dry cow antibiotic treatment in dairy heifers on udder health and milk production Journal of Dairy Science. 92: 4395-4403. PMID 19700699 DOI: 10.3168/Jds.2009-2203  1
2009 Piepers S, Opsomer G, Meyer E, Demeyere K, Barkema HW, de kruif A, de Vliegher S. Heifer and quarter characteristics associated with periparturient blood and milk neutrophil apoptosis in healthy heifers and in heifers with subclinical mastitis Journal of Dairy Science. 92: 4330-4339. PMID 19700692 DOI: 10.3168/Jds.2009-2029  1
2009 Steeneveld W, van der Gaag LC, Barkema HW, Hogeveen H. Providing probability distributions for the causal pathogen of clinical mastitis using naive Bayesian networks. Journal of Dairy Science. 92: 2598-609. PMID 19447992 DOI: 10.3168/Jds.2008-1694  1
2009 Koskinen MT, Holopainen J, Pyörälä S, Bredbacka P, Pitkälä A, Barkema HW, Bexiga R, Roberson J, Sølverød L, Piccinini R, Kelton D, Lehmusto H, Niskala S, Salmikivi L. Analytical specificity and sensitivity of a real-time polymerase chain reaction assay for identification of bovine mastitis pathogens. Journal of Dairy Science. 92: 952-9. PMID 19233788 DOI: 10.3168/Jds.2008-1549  1
2009 Sampimon O, Barkema HW, Berends I, Sol J, Lam T. Prevalence of intramammary infection in Dutch dairy herds. The Journal of Dairy Research. 76: 129-36. PMID 19121233 DOI: 10.1017/S0022029908003762  1
2009 Sampimon OC, Zadoks RN, De Vliegher S, Supré K, Haesebrouck F, Barkema HW, Sol J, Lam TJGM. Performance of API Staph ID 32 and Staph-Zym for identification of coagulase-negative staphylococci isolated from bovine milk samples Veterinary Microbiology. 136: 300-305. PMID 19110383 DOI: 10.1016/J.Vetmic.2008.11.004  1
2009 Ceballos A, Sánchez J, Stryhn H, Montgomery JB, Barkema HW, Wichtel JJ. Meta-analysis of the effect of oral selenium supplementation on milk selenium concentration in cattle. Journal of Dairy Science. 92: 324-42. PMID 19109290 DOI: 10.3168/Jds.2008-1545  1
2009 Coklin T, Uehlinger FD, Farber JM, Barkema HW, O'Handley RM, Dixon BR. Prevalence and molecular characterization of Cryptosporidium spp. in dairy calves from 11 farms in Prince Edward Island, Canada. Veterinary Parasitology. 160: 323-6. PMID 19070965 DOI: 10.1016/J.Vetpar.2008.10.096  1
2009 Sampimon OC, Barkema HW, Berends IMGA, Sol J, Lam TJGM. Prevalence and herd-level risk factors for intramammary infection with coagulase-negative staphylococci in Dutch dairy herds Veterinary Microbiology. 134: 37-44. PMID 18977613 DOI: 10.1016/J.Vetmic.2008.09.010  1
2009 De Vliegher S, Zadoks RN, Barkema HW. Heifer and CNS mastitis. Veterinary Microbiology. 134: 1-2. PMID 18950968 DOI: 10.1016/J.Vetmic.2008.09.016  1
2009 Piepers S, De Vliegher S, de Kruif A, Opsomer G, Barkema HW. Impact of intramammary infections in dairy heifers on future udder health, milk production, and culling Veterinary Microbiology. 134: 113-120. PMID 18930608 DOI: 10.1016/J.Vetmic.2008.09.017  1
2009 Steeneveld W, Van Der Gaag LC, Barkema HW, Hogeveen H. A cow-specific probability of having clinical mastitis for use in automatic milking systems Precision Livestock Farming 2009 - Papers Presented At the 4th European Conference On Precision Livestock Farming. 323-330.  1
2008 Steeneveld W, Hogeveen H, Barkema HW, van den Broek J, Huirne RB. The influence of cow factors on the incidence of clinical mastitis in dairy cows. Journal of Dairy Science. 91: 1391-402. PMID 18349231 DOI: 10.3168/Jds.2007-0705  1
2008 Riekerink RGMO, Barkema HW, Kelton DF, Scholl DT. Incidence rate of clinical mastitis on Canadian dairy farms Journal of Dairy Science. 91: 1366-1377. PMID 18349229 DOI: 10.3168/Jds.2007-0757  1
2008 Uehlinger FD, Barkema HW, O'Handley RM, Parenteau M, Parrington LJ, VanLeeuwen JA, Dixon BR. Comparison of flow cytometry and immunofluorescence microscopy for the detection of Giardia duodenalis in bovine fecal samples Journal of Veterinary Diagnostic Investigation. 20: 178-185. PMID 18319430 DOI: 10.1177/104063870802000206  1
2008 Salb AL, Barkema HW, Elkin BT, Thompson RC, Whiteside DP, Black SR, Dubey JP, Kutz SJ. Dogs as sources and sentinels of parasites in humans and wildlife, northern Canada. Emerging Infectious Diseases. 14: 60-3. PMID 18258078 DOI: 10.3201/Eid1401.071113  1
2008 Barkema HG, Schijven M. How do firms learn to make acquisitions? A review of past research and an agenda for the future Journal of Management. 34: 594-634. DOI: 10.1177/0149206308316968  1
2008 Kudina A, Yip GS, Barkema HG. Born global Business Strategy Review. 19: 38-44. DOI: 10.1111/j.1467-8616.2008.00562.x  1
2008 Barkema HG, Schijven M. Toward unlocking the full potential of acquisitions: The role of organizational restructuring Academy of Management Journal. 51: 696-722.  1
2007 Wapenaar W, Barkema HW, Eysker M, O'Handley RM. An outbreak of dictyocaulosis in lactating cows on a dairy farm. Journal of the American Veterinary Medical Association. 231: 1715-8. PMID 18052810 DOI: 10.2460/Javma.231.11.1715  1
2007 Hewson CJ, Dohoo IR, Lemke KA, Barkema HW. Factors affecting Canadian veterinarians' use of analgesics when dehorning beef and dairy calves. The Canadian Veterinary Journal. La Revue VéTéRinaire Canadienne. 48: 1129-36. PMID 18050793  1
2007 Piepers S, De Meulemeester L, de Kruif A, Opsomer G, Barkema HW, De Vliegher S. Prevalence and distribution of mastitis pathogens in subclinically infected dairy cows in Flanders, Belgium. The Journal of Dairy Research. 74: 478-83. PMID 17931457 DOI: 10.1017/S0022029907002841  1
2007 Lievaart JJ, Kremer WDJ, Barkema HW. Short communication: Comparison of bulk milk, yield-corrected, and average somatic cell counts as parameters to summarize the subclinical mastitis situation in a dairy herd Journal of Dairy Science. 90: 4145-4148. PMID 17699032 DOI: 10.3168/Jds.2006-871  1
2007 Lievaart JJ, Barkema HW, Kremer WDJ, Van Den Broek J, Verheijden JHM, Heesterbeek JAP. Effect of herd characteristics, management practices, and season on different categories of the herd somatic cell count Journal of Dairy Science. 90: 4137-4144. PMID 17699031 DOI: 10.3168/Jds.2006-847  1
2007 Olde Riekerink RGM, Barkema HW, Veenstra W, Berg FE, Stryhn H, Zadoks RN. Somatic cell count during and between milkings Journal of Dairy Science. 90: 3733-3741. PMID 17638984 DOI: 10.3168/Jds.2007-0001  1
2007 Wapenaar W, Barkema HW, O'Handley RM, Bartels CJ. Use of an enzyme-linked immunosorbent assay in bulk milk to estimate the prevalence of Neospora caninum on dairy farms in Prince Edward Island, Canada. The Canadian Veterinary Journal. La Revue VéTéRinaire Canadienne. 48: 493-9. PMID 17542367  1
2007 Olde Riekerink RGM, Barkema HW, Stryhn H. The effect of season on somatic cell count and the incidence of clinical mastitis Journal of Dairy Science. 90: 1704-1715. PMID 17369210 DOI: 10.3168/Jds.2006-567  1
2007 Uehlinger FD, O'Handley RM, Greenwood SJ, Guselle NJ, Gabor LJ, Van Velsen CM, Steuart RF, Barkema HW. Efficacy of vaccination in preventing giardiasis in calves. Veterinary Parasitology. 146: 182-8. PMID 17350765 DOI: 10.1016/J.Vetpar.2007.01.013  1
2007 Hewson CJ, Dohoo IR, Lemke KA, Barkema HW. Canadian veterinarians' use of analgesics in cattle, pigs, and horses in 2004 and 2005. The Canadian Veterinary Journal. La Revue VéTéRinaire Canadienne. 48: 155-64. PMID 17334029 DOI: 10.4141/Cjas68-021  1
2007 Wapenaar W, Barkema HW, Schares G, Rouvinen-Watt K, Zeijlemaker L, Poorter B, O'Handley RM, Kwok OCH, Dubey JP. Evaluation of four serological techniques to determine the seroprevalence of Neospora caninum in foxes (Vulpes vulpes) and coyotes (Canis latrans) on Prince Edward Island, Canada Veterinary Parasitology. 145: 51-58. PMID 17223270 DOI: 10.1016/J.Vetpar.2006.12.002  1
2007 Wapenaar W, Barkema HW, Vanleeuwen JA, McClure JT, O'Handley RM, Kwok OC, Thulliez P, Dubey JP, Jenkins MC. Comparison of serological methods for the diagnosis of Neospora caninum infection in cattle. Veterinary Parasitology. 143: 166-73. PMID 16989951 DOI: 10.1016/J.Vetpar.2006.08.007  1
2007 Nadolska A, Barkema HG. Learning to internationalise: The pace and success of foreign acquisitions Journal of International Business Studies. 38: 1170-1186. DOI: 10.1057/palgrave.jibs.8400318  1
2007 Barkema HG, Drogendijk R. Internationalising in small, incremental or larger steps? Journal of International Business Studies. 38: 1132-1148. DOI: 10.1057/palgrave.jibs.8400315  1
2007 Barkema HG, Shvyrkov O. Does top management team diversity promote or hamper foreign expansion? Strategic Management Journal. 28: 663-680. DOI: 10.1002/smj.604  1
2007 Barkema HW, Vliegher SD, Zadoks RN. Approach of a herd with a high bulk tank somatic cell count problem Australian Journal of Dairy Technology. 62: 16-24.  1
2006 Wapenaar W, Jenkins MC, O'Handley RM, Barkema HW. Neospora caninum-like oocysts observed in feces of free-ranging red foxes (Vulpes vulpes) and coyotes (Canis latrans). The Journal of Parasitology. 92: 1270-4. PMID 17304805 DOI: 10.1645/Ge-913R.1  1
2006 McKenna SLB, Keefe GP, Tiwari A, VanLeeuwen J, Barkema HW. Johne's disease in Canada Part II: Disease impacts, risk factors, and control programs for dairy producers | Maladie de Johne au Canada, partie II: Impacts de la maladie, facteurs de risques et programme de contrôle pour les producteurs laitiers Canadian Veterinary Journal. 47: 1089-1099. PMID 17147140  1
2006 Tiwari A, VanLeeuwen JA, McKenna SLB, Keefe GP, Barkema HW. Johne's disease in Canada Part I: Clinical symptoms, pathophysiology, diagnosis, and prevalence in dairy herds Canadian Veterinary Journal. 47: 874-882. PMID 17017652  1
2006 Uehlinger FD, Barkema HW, Dixon BR, Coklin T, O'Handley RM. Giardia duodenalis and Cryptosporidium spp. in a veterinary college bovine teaching herd. Veterinary Parasitology. 142: 231-7. PMID 16905259 DOI: 10.1016/J.Vetpar.2006.07.007  1
2006 Sanford CJ, Keefe GP, Sanchez J, Dingwell RT, Barkema HW, Leslie KE, Dohoo IR. Test characteristics from latent-class models of the California Mastitis Test Preventive Veterinary Medicine. 77: 96-108. PMID 16876270 DOI: 10.1016/J.Prevetmed.2006.06.006  1
2006 Olde Riekerink RG, Barkema HW, Veenstra S, Poole DE, Dingwell RT, Keefe GP. Prevalence of contagious mastitis pathogens in bulk tank milk in Prince Edward Island. The Canadian Veterinary Journal. La Revue VéTéRinaire Canadienne. 47: 567-72. PMID 16808229  1
2006 McKenna SLB, Vanleeuwen JA, Barkema HW, Jansen JT, Hauer G, Hendrick SH, Côté G, Salsberg EB, Empringham RE. Proposed Canadian voluntary national Johne's disease prevention and control program Canadian Veterinary Journal. 47: 539-541. PMID 16808225  1
2006 Barkema HW, Schukken YH, Zadoks RN. Invited review: The role of cow, pathogen, and treatment regimen in the therapeutic success of bovine Staphylococcus aureus mastitis Journal of Dairy Science. 89: 1877-1895. PMID 16702252 DOI: 10.3168/Jds.S0022-0302(06)72256-1  1
2006 Sanford CJ, Keefe GP, Dohoo IR, Leslie KE, Dingwell RT, DesCôteaux L, Barkema HW. Efficacy of using an internal teat sealer to prevent new intramammary infections in nonlactating dairy cattle. Journal of the American Veterinary Medical Association. 228: 1565-73. PMID 16677128 DOI: 10.2460/Javma.228.10.1565  1
2006 McKenna SLB, Barkema HW, Keefe GP, Sockett DC. Agreement between three ELISAs for Mycobacterium avium subsp. paratuberculosis in dairy cattle Veterinary Microbiology. 114: 285-291. PMID 16442752 DOI: 10.1016/J.Vetmic.2005.12.002  1
2006 Barkema HG. How to avoid ruining your company through international acquisitions? The ahold case Advances in Mergers and Acquisitions. 5: 105-125. DOI: 10.1016/S1479-361X(06)05006-X  1
2006 Schijven M, Barkema HG. Experience homogeneity or experience heterogeneity? A stepwise approach to acquisition capability development Academy of Management 2006 Annual Meeting: Knowledge, Action and the Public Concern, Aom 2006 1
2005 Gonzalez M, Barkema HW, Keefe GP. Monensin toxicosis in a dairy herd. The Canadian Veterinary Journal. La Revue VéTéRinaire Canadienne. 46: 910-2. PMID 16454383  1
2005 McKenna SL, Sockett DC, Keefe GP, McClure J, VanLeeuwen JA, Barkema HW. Comparison of two enzyme-linked immunosorbent assays for diagnosis of Mycobacterium avium subsp. paratuberculosis. Journal of Veterinary Diagnostic Investigation : Official Publication of the American Association of Veterinary Laboratory Diagnosticians, Inc. 17: 463-6. PMID 16312239 DOI: 10.1177/104063870501700510  1
2005 McKenna SLB, Keefe GP, Barkema HW, Sockett DC. Evaluation of three ELISAs for Mycobacterium avium subsp. paratuberculosis using tissue and fecal culture as comparison standards Veterinary Microbiology. 110: 105-111. PMID 16125880 DOI: 10.1016/J.Vetmic.2005.07.010  1
2005 Olde Riekerink RGM, Dominici A, Barkema HW, De Smit AJ. Seroprevalence of pestivirus in four species of alpine wild ungulates in the High Valley of Susa, Italy Veterinary Microbiology. 108: 297-303. PMID 15922522 DOI: 10.1016/J.Vetmic.2005.04.014  1
2005 De Vliegher S, Barkema HW, Stryhn H, Opsomer G, De Kruif A. Impact of early lactation somatic cell count in heifers on milk yield over the first lactation Journal of Dairy Science. 88: 938-947. PMID 15738228 DOI: 10.3168/Jds.S0022-0302(05)72761-2  1
2005 de Haas Y, Barkema HW, Schukken YH, Veerkamp RF. Associations between somatic cell count patterns and the incidence of clinical mastitis. Preventive Veterinary Medicine. 67: 55-68. PMID 15698908 DOI: 10.1016/J.Prevetmed.2004.10.006  1
2005 De Vliegher S, Barkema HW, Opsomer G, De Kruif A, Duchateau L. Association between somatic cell count in early lactation and culling of dairy heifers using cox frailty models Journal of Dairy Science. 88: 560-568. PMID 15653521 DOI: 10.3168/Jds.S0022-0302(05)72718-1  1
2004 Kalis CHJ, Collins MT, Barkema HW, Hesselink JW. Certification of herds as free of Mycobacterium paratuberculosis infection: Actual pooled faecal results versus certification model predictions Preventive Veterinary Medicine. 65: 189-204. PMID 15488270 DOI: 10.1016/J.Prevetmed.2004.07.005  1
2004 McKenna SL, Keefe GP, Barkema HW, McClure J, Vanleeuwen JA, Hanna P, Sockett DC. Cow-level prevalence of paratuberculosis in culled dairy cows in Atlantic Canada and Maine. Journal of Dairy Science. 87: 3770-7. PMID 15483160 DOI: 10.3168/Jds.S0022-0302(04)73515-8  1
2004 De Vliegher S, Barkema HW, Stryhn H, Opsomer G, De Kruif A. Impact of early lactation somatic cell count in heifers on somatic cell counts over the first lactation Journal of Dairy Science. 87: 3672-3682. PMID 15483151 DOI: 10.3168/Jds.S0022-0302(04)73506-7  1
2004 Green MJ, Green LE, Schukken YH, Bradley AJ, Peeler EJ, Barkema HW, de Haas Y, Collis VJ, Medley GF. Somatic cell count distributions during lactation predict clinical mastitis. Journal of Dairy Science. 87: 1256-64. PMID 15290974 DOI: 10.3168/Jds.S0022-0302(04)73276-2  1
2004 De Vliegher S, Laevens H, Barkema HW, Dohoo IR, Stryhn H, Opsomer G, De Kruif A. Management practices and heifer characteristics associated with early lactation somatic cell count of Belgian dairy heifers Journal of Dairy Science. 87: 937-947. PMID 15259228 DOI: 10.3168/Jds.S0022-0302(04)73238-5  1
2004 De Vliegher S, Opsomer G, Vanrolleghem A, Devriese LA, Sampimon OC, Sol J, Barkema HW, Haesebrouck F, De Kruif A. In vitro growth inhibition of major mastitis pathogens by Staphylococcus chromogenes originating from teat apices of dairy heifers Veterinary Microbiology. 101: 215-221. PMID 15223126 DOI: 10.1016/J.Vetmic.2004.03.020  1
2004 Sevinga M, Vrijenhoek T, Hesselink JW, Barkema HW, Groen AF. Effect of inbreeding on the incidence of retained placenta in Friesian horses Journal of Animal Science. 82: 982-986. PMID 15080317 DOI: 10.2527/2004.824982X  1
2004 de Haas Y, Veerkamp RF, Barkema HW, Gröhn YT, Schukken YH. Associations between pathogen-specific cases of clinical mastitis and somatic cell count patterns. Journal of Dairy Science. 87: 95-105. PMID 14765815 DOI: 10.3168/Jds.S0022-0302(04)73146-X  1
2004 Sevinga M, Barkema HW, Stryhn H, Hesselink JW. Retained placenta in Friesian mares: Incidence, and potential risk factors with special emphasis on gestational length Theriogenology. 61: 851-859. PMID 14757471 DOI: 10.1016/S0093-691X(03)00260-7  1
2003 Kalis CHJ, Collins MT, Hesselink JW, Barkema HW. Specificity of two tests for the early diagnosis of bovine paratuberculosis based on cell-mediated immunity: The Johnin skin test and the gamma interferon assay Veterinary Microbiology. 97: 73-86. PMID 14637040 DOI: 10.1016/J.Vetmic.2003.07.003  1
2003 De Vliegher S, Laevens H, Barkema HW, Opsomer G, Hemling T, De Kruif A. Short-term effect of transition from conventional to automated milking on teat skin and teat end condition Journal of Dairy Science. 86: 1646-1652. PMID 12778575 DOI: 10.3168/Jds.S0022-0302(03)73750-3  1
2003 Zadoks RN, Gillespie BE, Barkema HW, Sampimon OC, Oliver SP, Schukken YH. Clinical, epidemiological and molecular characteristics of Streptococcus uberis infections in dairy herds Epidemiology and Infection. 130: 335-349. PMID 12729202 DOI: 10.1017/S0950268802008221  1
2003 McKenna SL, Barkema HW, McClure JT, Rogers LA. Tetralogy of Fallot in a 2-year-old Holstein heifer. The Canadian Veterinary Journal. La Revue Vã©Tã©Rinaire Canadienne. 44: 312-3. PMID 12715983  1
2003 De Vliegher S, Laevens H, Devriese LA, Opsomer G, Leroy JLM, Barkema HW, De Kruif A. Prepartum teat apex colonization with Staphylococcus chromogenes in dairy heifers is associated with low somatic cell count in early lactation Veterinary Microbiology. 92: 245-252. PMID 12523986 DOI: 10.1016/S0378-1135(02)00363-2  1
2003 Dijkstra T, Barkema HW, Eysker M, Beiboer ML, Wouda W. Evaluation of a single serological screening of dairy herds for Neospora caninum antibodies. Veterinary Parasitology. 110: 161-9. PMID 12482645 DOI: 10.1016/S0304-4017(02)00323-0  1
2003 De Haas Y, Barkema HW, Schukken YH, Veerkamp RF. Genetic associations for pathogen-specific clinical mastitis and patterns of peaks in somatic cell count Animal Science. 77: 187-195. DOI: 10.1017/S1357729800058926  1
2003 Kalis C, Collins M, Hesselink J, Barkema HW. Specificity of two tests for the early diagnosis of bovine paratuberculosis based on cell-mediated immunity Veterinary Microbiology. 97: 73-86. DOI: 10.1016/S0378-1135(03)00242-6  0.08
2002 Dijkstra Th, Barkema HW, Björkman C, Wouda W. A high rate of seroconversion for Neospora caninum in a dairy herd without an obvious increased incidence of abortions. Veterinary Parasitology. 109: 203-11. PMID 12423933 DOI: 10.1016/S0304-4017(02)00303-5  1
2002 Zadoks RN, Van Leeuwen WB, Kreft D, Fox LK, Barkema HW, Schukken YH, Van Belkum A. Comparison of Staphylococcus aureus isolates from bovine and human skin, milking equipment, and bovine milk by phage typing, pulsed-field gel electrophoresis, and binary typing Journal of Clinical Microbiology. 40: 3894-3902. PMID 12409348 DOI: 10.1128/Jcm.40.11.3894-3902.2002  1
2002 Zadoks RN, Allore HG, Hagenaars TJ, Barkema HW, Schukken YH. A mathematical model of Staphylococcus aureus control in dairy herds Epidemiology and Infection. 129: 397-416. PMID 12403116 DOI: 10.1017/S0950268802007483  1
2002 Van Schaik G, Schukken YH, Nielen M, Dijkhuizen AA, Barkema HW, Benedictus G. Probability of and risk factors for introduction of infectious diseases into Dutch SPF dairy farms: A cohort study Preventive Veterinary Medicine. 54: 279-289. PMID 12114014 DOI: 10.1016/S0167-5877(02)00004-1  1
2002 de Haas Y, Barkema HW, Veerkamp RF. The effect of pathogen-specific clinical mastitis on the lactation curve for somatic cell count. Journal of Dairy Science. 85: 1314-23. PMID 12086069 DOI: 10.3168/Jds.S0022-0302(02)74196-9  1
2002 Veling J, Wilpshaar H, Frankena K, Bartels C, Barkema HW. Risk factors for clinical Salmonella enterica subsp. enterica serovar Typhimurium infection on Dutch dairy farms Preventive Veterinary Medicine. 54: 157-168. PMID 12069778 DOI: 10.1016/S0167-5877(02)00023-5  1
2002 Kalis CH, Barkema HW, Hesselink JW, van Maanen C, Collins MT. Evaluation of two absorbed enzyme-linked immunosorbent assays and a complement fixation test as replacements for fecal culture in the detection of cows shedding Mycobacterium avium subspecies paratuberculosis. Journal of Veterinary Diagnostic Investigation : Official Publication of the American Association of Veterinary Laboratory Diagnosticians, Inc. 14: 219-24. PMID 12033677 DOI: 10.1177/104063870201400305  1
2002 Sevinga M, Barkema HW, Hesselink JW. Serum calcium and magnesium concentrations and the use of a calcium-magnesium-borogluconate solution in the treatment of Friesian mares with retained placenta. Theriogenology. 57: 941-7. PMID 11991396 DOI: 10.1016/S0093-691X(01)00716-6  1
2002 Sevinga M, Hesselink JW, Barkema HW. Reproductive performance of Friesian mares after retained placenta and manual removal of the placenta. Theriogenology. 57: 923-30. PMID 11991394 DOI: 10.1016/S0093-691X(01)00691-4  1
2002 Dijkstra T, Barkema HW, Eysker M, Hesselink JW, Wouda W. Natural transmission routes of Neospora caninum between farm dogs and cattle. Veterinary Parasitology. 105: 99-104. PMID 11900923 DOI: 10.1016/S0304-4017(02)00010-9  1
2002 Dijkstra T, Barkema HW, Hesselink JW, Wouda W. Point source exposure of cattle to Neospora caninum consistent with periods of common housing and feeding and related to the introduction of a dog. Veterinary Parasitology. 105: 89-98. PMID 11900922 DOI: 10.1016/S0304-4017(02)00009-2  1
2002 Wellenberg GJ, Bruschke CJ, Wisselink HJ, Barkema HW, Van Oirschot JT. Simultaneous intramammary and intranasal inoculation of lactating cows with bovine herpesvirus 4 induce subclinical mastitis. Veterinary Microbiology. 86: 115-29. PMID 11888695 DOI: 10.1016/S0378-1135(01)00496-5  1
2002 Sol J, Sampimon OC, Hartman E, Barkema HW. Effect of preculture freezing and incubation on bacteriological isolation from subclinical mastitis samples. Veterinary Microbiology. 85: 241-9. PMID 11852191 DOI: 10.1016/S0378-1135(01)00507-7  1
2002 Veling J, Barkema HW, van der Schans J, van Zijderveld F, Verhoeff J. Herd-level diagnosis for Salmonella enterica subsp. enterica serovar Dublin infection in bovine dairy herds. Preventive Veterinary Medicine. 53: 31-42. PMID 11821135 DOI: 10.1016/S0167-5877(01)00276-8  1
2002 De Haas Y, Barkema HW, Veerkamp RF. Genetic parameters of pathogen-specific incidence of clinical mastitis in dairy cows Animal Science. 74: 233-242. DOI: 10.1017/S1357729800052401  1
2002 Vermeulen F, Barkema H. Pace, rhythm, and scope: Process dependence in building a profitable multinational corporation Strategic Management Journal. 23: 637-653. DOI: 10.1002/smj.243  1
2002 Barkema HG, Baum JAC, Mannix EA. Management challenges in a new time Academy of Management Journal. 45: 916-930.  1
2001 Neijenhuis F, Barkema HW, Hogeveen H, Noordhuizen JP. Relationship between teat-end callosity and occurrence of clinical mastitis. Journal of Dairy Science. 84: 2664-72. PMID 11814022 DOI: 10.3168/Jds.S0022-0302(01)74720-0  1
2001 Zadoks RN, Allore HG, Barkema HW, Sampimon OC, Wellenberg GJ, Gröhn YT, Schukkent YH. Cow- and quarter-level risk factors for Streptococcus uberis and Staphylococcus aureus mastitis. Journal of Dairy Science. 84: 2649-63. PMID 11814021 DOI: 10.3168/Jds.S0022-0302(01)74719-4  1
2001 Veling J, van Zijderveld FG, van Zijderveld-van Bemmel AM, Schukken YH, Barkema HW. Evaluation of two enzyme-linked immunosorbent assays for detecting Salmonella enterica subsp. enterica Serovar Dublin antibodies in bulk milk. Clinical and Diagnostic Laboratory Immunology. 8: 1049-55. PMID 11687438 DOI: 10.1128/Cdli.8.6.1049-1055.2001  1
2001 Dijkstra T, Eysker M, Schares G, Conraths FJ, Wouda W, Barkema HW. Dogs shed Neospora caninum oocysts after ingestion of naturally infected bovine placenta but not after ingestion of colostrum spiked with Neospora caninum tachyzoites. International Journal For Parasitology. 31: 747-52. PMID 11403764 DOI: 10.1016/S0020-7519(01)00230-2  1
2001 Zadoks RN, Allore HG, Barkema HW, Sampimon OC, Gröhn YT, Schukken YH. Analysis of an outbreak of Streptococcus uberis mastitis. Journal of Dairy Science. 84: 590-9. PMID 11286411 DOI: 10.3168/Jds.S0022-0302(01)74512-2  1
2001 Bartels CJ, Barkema HW, Beiboer ML, Bouma A, Stegeman JA. [Management and herd performance of dairy herds with and without chronic wasting disease]. Tijdschrift Voor Diergeneeskunde. 126: 198-207. PMID 11285640  1
2001 Bartels CJ, Barkema HW, Beiboer ML, Bouma A, Stegeman JA. [Comparison of performance of dairy herds that were or were not vaccinated with a bovine herpes virus 1 marker vaccine in 1998]. Tijdschrift Voor Diergeneeskunde. 126: 191-7. PMID 11285639  1
2001 Barkema HW, Bartels CJ, van Wuijckhuise L, Hesselink JW, Holzhauer M, Weber MF, Franken P, Kock PA, Bruschke CJ, Zimmer GM. [Outbreak of bovine virus diarrhea on Dutch dairy farms induced by a bovine herpesvirus 1 marker vaccine contaminated with bovine virus diarrhea virus type 2]. Tijdschrift Voor Diergeneeskunde. 126: 158-65. PMID 11285633  1
2001 Dijkstra T, Barkema HW, Eysker M, Wouda W. Evidence of post-natal transmission of Neospora caninum in Dutch dairy herds. International Journal For Parasitology. 31: 209-15. PMID 11239942 DOI: 10.1016/S0020-7519(00)00160-0  1
2001 Kalis CHJ, Hesselink JW, Barkema HW, Collins MT. Use of long-term vaccination with a killed vaccine to prevent fecal shedding of Mycobacterium avium subsp paratuberculosis in dairy herds American Journal of Veterinary Research. 62: 270-274. PMID 11212038 DOI: 10.2460/Ajvr.2001.62.270  1
2000 Neijenhuis F, Barkema HW, Hogeveen H, Noordhuizen JP. Classification and longitudinal examination of callused teat ends in dairy cows. Journal of Dairy Science. 83: 2795-804. PMID 11132849 DOI: 10.3168/Jds.S0022-0302(00)75177-0  1
2000 Muskens J, Barkema HW, Russchen E, van Maanen K, Schukken YH, Bakker D. Prevalence and regional distribution of paratuberculosis in dairy herds in The Netherlands. Veterinary Microbiology. 77: 253-61. PMID 11118710 DOI: 10.1016/S0378-1135(00)00310-2  1
2000 Kalis CHJ, Hesselink JW, Barkema HW, Collins MT. Culture of strategically pooled bovine fecal samples as a method to screen herds for paratuberculosis Journal of Veterinary Diagnostic Investigation. 12: 547-551. PMID 11108455 DOI: 10.1177/104063870001200609  1
2000 Veling J, van Zijderveld FG, van Zijderveld-van Bemmel AM, Barkema HW, Schukken YH. Evaluation of three newly developed enzyme-linked immunosorbent assays and two agglutination tests for detecting Salmonella enterica subsp. enterica serovar dublin infections in dairy cattle. Journal of Clinical Microbiology. 38: 4402-7. PMID 11101571 DOI: 10.1128/Jcm.38.12.4402-4407.2000  1
2000 Zadoks R, van Leeuwen W, Barkema H, Sampimon O, Verbrugh H, Schukken YH, van Belkum A. Application of pulsed-field gel electrophoresis and binary typing as tools in veterinary clinical microbiology and molecular epidemiologic analysis of bovine and human Staphylococcus aureus isolates. Journal of Clinical Microbiology. 38: 1931-9. PMID 10790124 DOI: 10.1128/Jcm.38.5.1931-1939.2000  1
2000 Sol J, Sampimon OC, Barkema HW, Schukken YH. Factors associated with cure after therapy of clinical mastitis caused by Staphylococcus aureus. Journal of Dairy Science. 83: 278-84. PMID 10714861 DOI: 10.3168/Jds.S0022-0302(00)74875-2  1
1999 Barkema HW, Van der Ploeg JD, Schukken YH, Lam TJ, Benedictus G, Brand A. Management style and its association with bulk milk somatic cell count and incidence rate of clinical mastitis. Journal of Dairy Science. 82: 1655-63. PMID 10480090 DOI: 10.3168/Jds.S0022-0302(99)75394-4  1
1999 Barkema HW, Schukken YH, Lam TJ, Beiboer ML, Benedictus G, Brand A. Management practices associated with the incidence rate of clinical mastitis. Journal of Dairy Science. 82: 1643-54. PMID 10480089 DOI: 10.3168/Jds.S0022-0302(99)75393-2  1
1999 Kalis CHJ, Hesselink JW, Russchen EW, Barkema HW, Collins MT, Visser IJR. Factors influencing the isolation of Mycobacterium avium subsp. paratuberculosis from bovine fecal samples Journal of Veterinary Diagnostic Investigation. 11: 345-351. PMID 10424651 DOI: 10.1177/104063879901100409  1
1999 Barkema HW. [Udder health on dairy farms. 2. Mastitis prevention programs]. Tijdschrift Voor Diergeneeskunde. 124: 345-50. PMID 10372421  0.01
1999 Barkema HW. [Udder health on dairy farms. 1. Results of a longitudinal study on 300 Dutch farms]. Tijdschrift Voor Diergeneeskunde. 124: 338-44. PMID 10372420  0.01
1999 Barkema HW, Deluyker HA, Schukken YH, Lam TJ. Quarter-milk somatic cell count at calving and at the first six milkings after calving. Preventive Veterinary Medicine. 38: 1-9. PMID 10022048 DOI: 10.1016/S0167-5877(98)00142-1  1
1999 Döpfer D, Barkema HW, Lam TJ, Schukken YH, Gaastra W. Recurrent clinical mastitis caused by Escherichia coli in dairy cows. Journal of Dairy Science. 82: 80-5. PMID 10022009 DOI: 10.3168/Jds.S0022-0302(99)75211-2  1
1998 Barkema HW, Schukken YH, Lam TJ, Beiboer ML, Benedictus G, Brand A. Management practices associated with low, medium, and high somatic cell counts in bulk milk. Journal of Dairy Science. 81: 1917-27. PMID 9710760 DOI: 10.3168/Jds.S0022-0302(98)75764-9  1
1998 Hage JJ, Schukken YH, Dijkstra T, Barkema HW, van Valkengoed PH, Wentink GH. Milk production and reproduction during a subclinical bovine herpesvirus 1 infection on a dairy farm. Preventive Veterinary Medicine. 34: 97-106. PMID 9604259 DOI: 10.1016/S0167-5877(97)00088-3  1
1998 van Schaik C, Dijkhuizen AA, Benedictus G, Barkema HW, Koole JL. Exploratory study on the economic value of a closed farming system on Dutch dairy farms. The Veterinary Record. 142: 240-2. PMID 9549865 DOI: 10.1136/Vr.142.10.240  1
1998 Sol J, Barkema HW, Berghege IM, Borst GH, Hoornick LJ, Sampimon OC. [Mastitis following drying up associated with teat wipes contaminated with Pseudomonas aeruginosa]. Tijdschrift Voor Diergeneeskunde. 123: 112-3. PMID 9537087  1
1998 Elbers AR, Miltenburg JD, De Lange D, Crauwels AP, Barkema HW, Schukken YH. Risk factors for clinical mastitis in a random sample of dairy herds from the southern part of The Netherlands. Journal of Dairy Science. 81: 420-6. PMID 9532495 DOI: 10.3168/Jds.S0022-0302(98)75592-4  1
1998 Barkema HW, Schukken YH, Lam TJ, Beiboer ML, Wilmink H, Benedictus G, Brand A. Incidence of clinical mastitis in dairy herds grouped in three categories by bulk milk somatic cell counts. Journal of Dairy Science. 81: 411-9. PMID 9532494 DOI: 10.3168/Jds.S0022-0302(98)75591-2  1
1997 Barkema HW, Schukken YH, Lam TJ, Galligan DT, Beiboer ML, Brand A. Estimation of interdependence among quarters of the bovine udder with subclinical mastitis and implications for analysis. Journal of Dairy Science. 80: 1592-9. PMID 9276797 DOI: 10.3168/Jds.S0022-0302(97)76089-2  1
1997 Hage JJ, Vellema P, Schukken YH, Barkema HW, Rijsewijk FA, van Oirschot JT, Wentink GH. Sheep do not have a major role in bovine herpesvirus 1 transmission. Veterinary Microbiology. 57: 41-54. PMID 9231980 DOI: 10.1016/S0378-1135(97)00083-7  1
1997 Lam TJ, van Vliet JH, Schukken YH, Grommers FJ, van Velden-Russcher A, Barkema HW, Brand A. The effect of discontinuation of postmilking teat disinfection in low somatic cell count herds. II. Dynamics of intramammary infections. The Veterinary Quarterly. 19: 47-53. PMID 9225431 DOI: 10.1080/01652176.1997.9694739  1
1997 Lam TJ, van Vliet JH, Schukken YH, Grommers FJ, van Velden-Russcher A, Barkema HW, Brand A. The effect of discontinuation of postmilking teat disinfection in low somatic cell count herds. I. Incidence of clinical mastitis. The Veterinary Quarterly. 19: 41-7. PMID 9225430 DOI: 10.1080/01652176.1997.9694738  1
1997 Vellema P, Moll L, Barkema HW, Schukken YH. Effect of cobalt supplementation on serum vitamin B12 levels, weight gain and survival rate in lambs grazing cobalt-deficient pastures. The Veterinary Quarterly. 19: 1-5. PMID 9225420 DOI: 10.1080/01652176.1997.9694727  1
1997 Barkema HW, Van der Schans J, Schukken YH, De Gee AL, Lam TJ, Benedictus G. Effect of freezing on somatic cell count of quarter milk samples as determined by a Fossomatic electronic cell counter. Journal of Dairy Science. 80: 422-6. PMID 9058286 DOI: 10.3168/Jds.S0022-0302(97)75953-8  1
1996 Hage JJ, Schukken YH, Barkema HW, Benedictus G, Rijsewijk FA, Wentink GH. Population dynamics of bovine herpesvirus 1 infection in a dairy herd. Veterinary Microbiology. 53: 169-80. PMID 9011009 DOI: 10.1016/S0378-1135(96)01245-X  1
1995 Schukken YH, Lam TJ, Nielen M, Hogeveen H, Barkema HW, Grommers FJ. [Subclinical and clinical mastitis on dairy farms in The Netherlands: epidemiological developments]. Tijdschrift Voor Diergeneeskunde. 120: 208-13. PMID 7725301  1
1995 Loeffler SH, Lam TJ, Barkema HW, Scholten D, Hessels AL, van Gestel AM. [The dairying veterinary approach to a high bulk milk cell count caused by Streptococcus agalactiae]. Tijdschrift Voor Diergeneeskunde. 120: 458-63. PMID 7570543  1
1994 Dijkstra T, Barkema HW, van Buuren RD, van Spanje JG, Jorritsma H. [Determination of the excretion time of oxytetracycline and lugol in milk of intrauterine treated cows]. Tijdschrift Voor Diergeneeskunde. 119: 634-6. PMID 7974451  1
1992 Barkema HW, Schukken YH, Guard CL, Brand A, van der Weyden GC. Fertility, production and culling following cesarean section in dairy cattle. Theriogenology. 38: 589-99. PMID 16727162 DOI: 10.1016/0093-691X(92)90022-J  1
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