H. Barkema

H. Barkema, J. De Buck, C. Corbett, 2018, Journal of veterinary diagnostic investigation : official publication of the American Association of Veterinary Laboratory Diagnosticians, Inc.

Foodborne illness associated with Cryptosporidium and Giardia from livestock.

H. Barkema, S. Greenwood, J. McClure, 2011, Journal of food protection.

Factors affecting management changes on farms participating in a Johne's disease control program.

H. Barkema, K. Orsel, J. De Buck, 2015, Journal of dairy science.

Dose-dependent interferon-gamma release in dairy calves experimentally infected with Mycobacterium avium subspecies paratuberculosis.

H. Barkema, T. Sajobi, J. De Buck, 2014, Veterinary immunology and immunopathology.

Herd-Level Mastitis-Associated Costs on Canadian Dairy Farms

D. Kelton, H. Barkema, G. Keefe, 2018, Frontiers in veterinary science.

Application of Pulsed-Field Gel Electrophoresis and Binary Typing as Tools in Veterinary Clinical Microbiology and Molecular Epidemiologic Analysis of Bovine and HumanStaphylococcus aureus Isolates

A. van Belkum, R. Zadoks, H. Barkema, 2000, Journal of Clinical Microbiology.

Incidence rate of pathogen-specific clinical mastitis on conventional and organic Canadian dairy farms.

H. Barkema, T. DeVries, K. Leslie, 2016, Journal of dairy science.

Living with inflammatory bowel disease: A Crohn's and Colitis Canada survey.

G. Kaplan, H. Barkema, R. Panaccione, 2015, Canadian journal of gastroenterology & hepatology.

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

A. van Belkum, R. Zadoks, L. Fox, 2002, Journal of Clinical Microbiology.

Population dynamics of bovine herpesvirus 1 infection in a dairy herd.

H. Barkema, G. Benedictus, Y. Schukken, 1996, Veterinary microbiology.

Colorectal Cancer Surveillance in Patients with Inflammatory Bowel Disease and Primary Sclerosing Cholangitis: An Economic Evaluation

G. Kaplan, B. Manns, H. Barkema, 2014, Inflammatory bowel diseases.

Clinical communication patterns of veterinary practitioners during dairy herd health and production management farm visits.

D. Kelton, H. Barkema, C. Ritter, 2018, Journal of dairy science.

Total coliform and Escherichia coli contamination in rural well water: analysis for passive surveillance.

N. Neumann, H. Barkema, S. Checkley, 2017, Journal of water and health.

Analysis of an outbreak of Streptococcus uberis mastitis.

H. Allore, R. Zadoks, H. Barkema, 2001, Journal of dairy science.

The Origins and Lineage of One Health, Part II.

H. Barkema, Myles Leslie, R. Anholt, 2021, The Canadian veterinary journal = La revue veterinaire canadienne.

Novel CD8+ T-Cell Subsets Demonstrating Plasticity in Patients with Inflammatory Bowel Disease

G. Kaplan, H. Barkema, R. Panaccione, 2016, Inflammatory bowel diseases.

Intrapartum corticosteroid use significantly increases the risk of gestational diabetes in women with inflammatory bowel disease.

D. Tanyingoh, G. Kaplan, H. Barkema, 2015, Journal of Crohn's & colitis.

Virulence gene profiles: alpha-hemolysin and clonal diversity in Staphylococcus aureus isolates from bovine clinical mastitis in China

H. Barkema, J. Kastelic, S. Naushad, 2018, BMC Veterinary Research.

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.

H. Barkema, M. Collins, J. W. Hesselink, 2003, Veterinary microbiology.

Challenges associated with identifying the environmental determinants of the inflammatory bowel diseases

G. Kaplan, H. Barkema, R. Panaccione, 2011, Inflammatory bowel diseases.

University of Birmingham Perturbation of the human microbiome as a contributor to inflammatory bowel disease

H. Barkema, K. Madsen, B. Missaghi, 2014 .

Molecular identification and antimicrobial susceptibility of Nocardia spp. isolated from bovine mastitis in Brazil.

H. Barkema, J. Kastelic, K. Yazawa, 2013, Veterinary microbiology.

Bacterial concentrations in bedding and their association with dairy cow hygiene and milk quality.

D. Kelton, H. Barkema, T. DeVries, 2019, Animal : an international journal of animal bioscience.

Comprehensive Virulence Gene Profiling of Bovine Non-aureus Staphylococci Based on Whole-Genome Sequencing Data

H. Barkema, J. Kastelic, J. De Buck, 2019, mSystems.

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

G. Kaplan, H. Barkema, C. Hirota, 2013, Inflammatory bowel diseases.

Comparative Genomic Analyses of Lactococcus garvieae Isolated from Bovine Mastitis in China

H. Barkema, J. Kastelic, B. Han, 2022, bioRxiv.

Johne's disease in Canada part II: disease impacts, risk factors, and control programs for dairy producers.

H. Barkema, J. VanLeeuwen, G. Keefe, 2006, The Canadian veterinary journal = La revue veterinaire canadienne.

In vitro immune responses of bovine mammary epithelial cells induced by Escherichia coli, with multidrug resistant extended-spectrum β-lactamase, isolated from mastitic milk.

H. Barkema, J. Kastelic, B. Han, 2020, Microbial pathogenesis.

Prototheca spp. induce an inflammatory response via mtROS-mediated activation of NF-κB and NLRP3 inflammasome pathways in bovine mammary epithelial cell cultures

H. Barkema, J. Kastelic, B. Han, 2021, Veterinary Research.

Funding a Smoking Cessation Program for Crohn’s Disease: An Economic Evaluation

G. Kaplan, H. Barkema, F. Clement, 2015, The American Journal of Gastroenterology.

Associations between somatic cell count patterns and the incidence of clinical mastitis.

R. Veerkamp, H. Barkema, Y. Schukken, 2005, Preventive veterinary medicine.

Invited review: Selective use of antimicrobials in dairy cattle at drying-off.

D. Kelton, S. De Vliegher, S. McDougall, 2022, Journal of dairy science.

The new influenza A H1N1 virus: balancing on the interface of humans and animals.

H. Barkema, K. Orsel, F. van der Meer, 2010, The Canadian veterinary journal = La revue veterinaire canadienne.

lncRNA–miRNA–mRNA ceRNA Network Involved in Sheep Prolificacy: An Integrated Approach

H. Barkema, F. Ghafouri, A. Bahrami, 2022, Genes.

Integrated transcriptome and regulatory network analyses identify candidate genes and pathways modulating ewe fertility

S. R. Miraei-Ashtiani, H. Barkema, J. Kastelic, 2022, Gene Reports.

Somatic cell count during and between milkings.

H. Stryhn, R. Zadoks, H. Barkema, 2007, Journal of dairy science.

Identification of bovine-associated coagulase-negative staphylococci by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry using a direct transfer protocol.

S. De Vliegher, H. Barkema, J. De Buck, 2017, Journal of dairy science.

Management practices associated with the bulk-milk prevalence of Staphylococcus aureus in Canadian dairy farms.

D. Kelton, H. Barkema, D. Scholl, 2010, Preventive veterinary medicine.

Milk selenium concentration and its association with udder health in Atlantic Canadian dairy herds.

H. Stryhn, H. Barkema, I. Dohoo, 2010, Journal of dairy science.

The effect of season on somatic cell count and the incidence of clinical mastitis.

H. Stryhn, H. Barkema, R. O. Riekerink, 2007, Journal of dairy science.

Associations of herd- and cow-level factors, cow lying behavior, and risk of elevated somatic cell count in free-stall housed lactating dairy cows.

H. Barkema, T. DeVries, M. V. von Keyserlingk, 2013, Preventive veterinary medicine.

Effect of an automated dipping and backflushing system on somatic cell counts.

H. Barkema, R. O. Olde Riekerink, I. Ohnstad, 2012, Journal of dairy science.

Subclinical mastitis and associated risk factors on dairy farms in New South Wales.

H. Barkema, J. Lievaart, K. Plozza, 2011, Australian veterinary journal.

Reliability of the bulk milk somatic cell count as an indication of average herd somatic cell count

H. Barkema, H. Hogeveen, J. Lievaart, 2009, Journal of Dairy Research.

Clinical, epidemiological and molecular characteristics of Streptococcus uberis infections in dairy herds

R. Zadoks, H. Barkema, Y. Schukken, 2003, Epidemiology and Infection.

Incidence of clinical mastitis in dairy herds grouped in three categories by bulk milk somatic cell counts.

H. Barkema, G. Benedictus, T. Lam, 1998, Journal of dairy science.

Characteristics of Escherichia coli Isolated from Bovine Mastitis Exposed to Subminimum Inhibitory Concentrations of Cefalotin or Ceftazidime

S. De Vliegher, S. Piepers, H. Barkema, 2018, BioMed research international.

Herd-level relationship between antimicrobial use and presence or absence of antimicrobial resistance in gram-negative bovine mastitis pathogens on Canadian dairy farms.

H. Barkema, T. DeVries, D. Scholl, 2013, Journal of dairy science.

Associations of dairy cow behavior, barn hygiene, cow hygiene, and risk of elevated somatic cell count.

H. Barkema, M. V. Keyserlingk, T. DeVries, 2012, Journal of dairy science.

Antimicrobial resistance profiles of common mastitis pathogens on Canadian dairy farms.

H. Barkema, G. Keefe, D. Morck, 2012, Journal of dairy science.

Herd-level association between antimicrobial use and antimicrobial resistance in bovine mastitis Staphylococcus aureus isolates on Canadian dairy farms.

H. Barkema, T. DeVries, D. Scholl, 2012, Journal of dairy science.

Antimicrobial use on Canadian dairy farms.

H. Barkema, D. Scholl, S. Dufour, 2012, Journal of dairy science.

Genetic associations for pathogen-specific clinical mastitis and patterns of peaks in somatic cell count

R. Veerkamp, H. Barkema, Y. Schukken, 2003 .

Simultaneous intramammary and intranasal inoculation of lactating cows with bovine herpesvirus 4 induce subclinical mastitis.

H. Barkema, G. Wellenberg, J. V. van Oirschot, 2002, Veterinary microbiology.

CHAPTER 7 A SIMULTANEOUS INTRAMAMMARY AND INTRANASAL INOCULATION OF LACTATING COWS WITH BOVINE HERPESVIRUS 4 INDUCED SUBCLINICAL MASTITIS

H. Barkema, G. Wellenberg, H. Wisselink, 2002 .

Relationship between teat-end callosity and occurrence of clinical mastitis.

H. Barkema, H. Hogeveen, F. Neijenhuis, 2001, Journal of dairy science.

Factors associated with cure after therapy of clinical mastitis caused by Staphylococcus aureus.

H. Barkema, Y. Schukken, O. Sampimon, 2000, Journal of dairy science.

Associations of freestall design and cleanliness with cow lying behavior, hygiene, lameness, and risk of high somatic cell count.

D. Kelton, H. Barkema, M. V. Keyserlingk, 2020, Journal of dairy science.

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.

H. Barkema, J. Lievaart, W. Kremer, 2007, Journal of dairy science.

The effect of discontinuation of postmilking teat disinfection in low somatic cell count herds. II. Dynamics of intramammary infections.

H. Barkema, T. Lam, Y. Schukken, 1997, The Veterinary quarterly.

Somatic cell count distributions during lactation predict clinical mastitis.

Martin J. Green, G. Medley, H. Barkema, 2004, Journal of dairy science.

The relationship between urban environment and the inflammatory bowel diseases: a systematic review and meta-analysis

G. Kaplan, W. Ghali, H. Barkema, 2012, BMC Gastroenterology.

Knowledge gaps that hamper prevention and control of Mycobacterium avium subspecies paratuberculosis infection

D. Kelton, H. Barkema, C. Heuer, 2018, Transboundary and emerging diseases.

Critically important antimicrobials are generally not needed to treat nonsevere clinical mastitis in lactating dairy cows: Results from a network meta-analysis.

H. Barkema, J. Kastelic, J. De Buck, 2020, Journal of dairy science.

Shedding patterns of dairy calves experimentally infected with Mycobacterium avium subspecies paratuberculosis

H. Barkema, K. Orsel, J. De Buck, 2014, Veterinary Research.

Cathelicidins Mitigate Staphylococcus aureus Mastitis and Reduce Bacterial Invasion in Murine Mammary Epithelium

H. Barkema, E. Cobo, C. Knight, 2020, Infection and Immunity.

Oxytetracycline reduces inflammation and treponeme burden whereas vitamin D3 promotes β-defensin expression in bovine infectious digital dermatitis

H. Barkema, K. Orsel, J. De Buck, 2019, Cell and Tissue Research.

Comparison of the efficacy of a commercial footbath product with copper sulfate for the control of digital dermatitis.

H. Barkema, K. Orsel, S. Mason, 2017, Journal of dairy science.

Nrf2 and NF-κB/NLRP3 inflammasome pathways are involved in Prototheca bovis infections of mouse mammary gland tissue and mammary epithelial cells.

H. Barkema, J. Kastelic, B. Han, 2022, Free radical biology & medicine.

Opposing Effects of Smoking in Ulcerative Colitis and Crohn's Disease May Be Explained by Differential Effects on Dendritic Cells

G. Kaplan, H. Barkema, D. Proud, 2014, Inflammatory bowel diseases.

Invited review: The role of contagious disease in udder health.

Martin J. Green, R. Zadoks, H. Barkema, 2009, Journal of dairy science.

Adherent/invasive capacities of bovine-associated Aerococcus viridans contribute to pathogenesis of acute mastitis in a murine model.

H. Barkema, J. Kastelic, J. De Buck, 2019, Veterinary microbiology.

Development of a single-dose recombinant CAMP factor entrapping poly(lactide-co-glycolide) microspheres-based vaccine against Streptococcus agalactiae.

H. Barkema, J. Kastelic, J. De Buck, 2017, Vaccine.

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.

H. Barkema, W. Wapenaar, R. O'Handley, 2007, The Canadian veterinary journal = La revue veterinaire canadienne.

NEOSPORA CANINUM–LIKE OOCYSTS OBSERVED IN FECES OF FREE-RANGING RED FOXES (VULPES VULPES) AND COYOTES (CANIS LATRANS)

H. Barkema, W. Wapenaar, M. Jenkins, 2006, The Journal of parasitology.

Prevalence of contagious mastitis pathogens in bulk tank milk in Prince Edward Island.

H. Barkema, G. Keefe, R. Dingwell, 2006, The Canadian veterinary journal = La revue veterinaire canadienne.

Proposed Canadian Voluntary National Johne's Disease Prevention and Control Program.

H. Barkema, J. VanLeeuwen, J. Jansen, 2006, The Canadian veterinary journal = La revue veterinaire canadienne.

Seroprevalence of pestivirus in four species of alpine wild ungulates in the High Valley of Susa, Italy.

H. Barkema, A. J. de Smit, R. O. Olde Riekerink, 2005, Veterinary microbiology.

Cow-level prevalence of paratuberculosis in culled dairy cows in Atlantic Canada and Maine.

H. Barkema, J. VanLeeuwen, G. Keefe, 2004, Journal of dairy science.

Natural transmission routes of Neospora caninum between farm dogs and cattle.

H. Barkema, M. Eysker, W. Wouda, 2002, Veterinary parasitology.

[The dairying veterinary approach to a high bulk milk cell count caused by Streptococcus agalactiae].

H. Barkema, T. Lam, S. H. Loeffler, 1995, Tijdschrift voor diergeneeskunde.

Disease control tools to secure animal and public health in a densely populated world.

K. Podgórska, R. Zadoks, H. Barkema, 2022, The Lancet. Planetary health.

Antibody response early after experimental infection with Mycobacterium avium subspecies paratuberculosis in dairy calves.

H. Barkema, K. Orsel, J. De Buck, 2014, Journal of dairy science.

Profiles of Lamina Propria T Helper Cell Subsets Discriminate Between Ulcerative Colitis and Crohn's Disease

G. Kaplan, H. Barkema, C. Hirota, 2016, Inflammatory bowel diseases.

University of Birmingham Living with inflammatory bowel disease

G. Kaplan, H. Barkema, L. Dieleman, 2016 .

Occurrence of Mycobacterium avium subspecies paratuberculosis and Neospora caninum in Alberta cow-calf operations.

H. Barkema, K. Orsel, S. Kutz, 2014, Preventive veterinary medicine.

Phenotypic features of Crohn's disease associated with failure of medical treatment.

G. Kaplan, H. Barkema, G. Moran, 2014, Clinical gastroenterology and hepatology : the official clinical practice journal of the American Gastroenterological Association.

Prevalence of digital dermatitis in young stock in Alberta, Canada, using pen walks.

H. Barkema, K. Orsel, C. Jacobs, 2017, Journal of dairy science.

Short-term effect of transition from conventional to automated milking on teat skin and teat end condition.

A. de Kruif, S. De Vliegher, H. Barkema, 2003, Journal of dairy science.

A high rate of seroconversion for Neospora caninum in a dairy herd without an obvious increased incidence of abortions.

H. Barkema, C. Björkman, W. Wouda, 2002, Veterinary parasitology.

Point source exposure of cattle to Neospora caninum consistent with periods of common housing and feeding and related to the introduction of a dog.

H. Barkema, W. Wouda, T. Dijkstra, 2002, Veterinary parasitology.

Dogs shed Neospora caninum oocysts after ingestion of naturally infected bovine placenta but not after ingestion of colostrum spiked with Neospora caninum tachyzoites.

F. Conraths, H. Barkema, G. Schares, 2001, International journal for parasitology.

Prevalence of contagious mastitis pathogens in bulk tank milk from Prince Edward Island dairy farms

H. Stryhn, H. Barkema, G. Keefe, 2005 .

Antimicrobial resistance in non-aureus staphylococci isolated from milk is associated with systemic but not intramammary administration of antimicrobials in dairy cattle.

H. Barkema, J. De Buck, D. Nobrega, 2018, Journal of dairy science.

Prevalence and distribution of mastitis pathogens in dairy cows in Flanders

A. Kruif, S. Piepers, H. Barkema, 2006 .

Efficacy of using an internal teat sealer to prevent new intramammary infections in nonlactating dairy cattle.

H. Barkema, C. Sanford, I. Dohoo, 2006, Journal of the American Veterinary Medical Association.

The effect of discontinuation of postmilking teat disinfection in low somatic cell count herds. I. Incidence of clinical mastitis.

H. Barkema, T. Lam, Y. Schukken, 1997, The Veterinary quarterly.

Canadian National Dairy Study: Heifer calf management.

D. Kelton, H. Barkema, T. Duffield, 2018, Journal of dairy science.

DISCONTOOLS supplement: Current research gaps for advancing control of infectious diseases in production animals

H. Barkema, J. Charlier, 2018, Transboundary and emerging diseases.

Canadian National Dairy Study: Herd-level milk quality.

D. Kelton, H. Barkema, G. Keefe, 2018, Journal of dairy science.

Effectiveness of a standardized footbath protocol for prevention of digital dermatitis.

H. Barkema, K. Orsel, L. Solano, 2017, Journal of dairy science.

Economic premiums associated with Mycobacterium avium subspecies paratuberculosis-negative replacement purchases in major dairy-producing regions.

H. Barkema, D. Hall, S. Mason, 2022, Journal of dairy science.

Economic losses due to Johne's disease (paratuberculosis) in dairy cattle.

H. Barkema, D. Hall, S. Mason, 2021, Journal of dairy science.

Environmental sample characteristics and herd size associated with decreased herd-level prevalence of Mycobacterium avium ssp. paratuberculosis.

H. Barkema, J. Kastelic, J. De Buck, 2018, Journal of dairy science.

Comparison of fecal pooling strategies for detection of Mycobacterium avium ssp. paratuberculosis in cattle.

H. Barkema, C. Ritter, I. Dohoo, 2018, Journal of dairy science.

Quantifying fecal shedding of Mycobacterium avium ssp. paratuberculosis from calves after experimental infection and exposure.

H. Barkema, J. De Buck, C. Corbett, 2018, Journal of dairy science.

Fecal shedding and tissue infections demonstrate transmission of Mycobacterium avium subsp. paratuberculosis in group-housed dairy calves

H. Barkema, K. Orsel, J. De Buck, 2017, Veterinary Research.

Longitudinal evaluation of diagnostics in experimentally infected young calves during subclinical and clinical paratuberculosis.

H. Barkema, K. Orsel, J. De Buck, 2015, The Canadian veterinary journal = La revue veterinaire canadienne.

Calves shedding Mycobacterium avium subspecies paratuberculosis are common on infected dairy farms

H. Barkema, K. Orsel, J. De Buck, 2015, Veterinary Research.

Sampling location, herd size, and season influence Mycobacterium avium ssp. paratuberculosis environmental culture results.

H. Barkema, K. Orsel, J. De Buck, 2015, Journal of dairy science.

Gene expression profiling and putative biomarkers of calves 3 months after infection with Mycobacterium avium subspecies paratuberculosis.

H. Barkema, Subrata Ghosh, J. De Buck, 2014, Veterinary immunology and immunopathology.

Evaluation of milk ELISA for detection of Mycobacterium avium subspecies paratuberculosis in dairy herds and association with within-herd prevalence.

H. Barkema, I. Dohoo, G. Keefe, 2014, Journal of dairy science.

Evaluation of age-dependent susceptibility in calves infected with two doses of Mycobacterium avium subspecies paratuberculosis using pathology and tissue culture

G. Atkins, H. Barkema, K. Orsel, 2013, Veterinary Research.

Global prevalence and economics of infection with Mycobacterium avium subsp. paratuberculosis in ruminants.

M. Behr, H. Barkema, G. Benedictus, 2010 .

Evaluation of three ELISAs for Mycobacterium avium subsp. paratuberculosis using tissue and fecal culture as comparison standards.

H. Barkema, G. Keefe, S. McKenna, 2005, Veterinary microbiology.

Comparison of Two Enzyme-Linked Immunosorbent Assays for Diagnosis of Mycobacterium Avium Subsp. Paratuberculosis

H. Barkema, J. VanLeeuwen, G. Keefe, 2005, Journal of veterinary diagnostic investigation : official publication of the American Association of Veterinary Laboratory Diagnosticians, Inc.

Use of long-term vaccination with a killed vaccine to prevent fecal shedding of Mycobacterium avium subsp paratuberculosis in dairy herds.

H. Barkema, M. Collins, C. Kalis, 2001, American journal of veterinary research.

Short communication: influence of sampling interval on the accuracy of predicting bulk milk somatic cell count.

H. Barkema, J. Reneau, J. Lievaart, 2011, Journal of dairy science.

Short communication: Effect of automatic postmilking teat disinfection and cluster flushing on the milking work routine.

H. Barkema, P. Hogewerf, C. D. de Koning, 2012, Journal of dairy science.

Impact of an automatic teat dipping and cluster flushing system on iodine residuals, milking characteristics and teat coverage

A. H. Ipema, H. Barkema, V. Tančin, 2008 .

Vergelijking van de bedrijfskengetallen van melkveebedrijven die in 1998 wel of niet hebben gevaccineerd met BHV1 markervaccine [Comparison of performance of dairy herds that did and did not vaccinate with a BHV1 marker vaccine in 1998]

H. Barkema, J. Stegeman, A. Bouma, 2001 .

[Comparison of performance of dairy herds that were or were not vaccinated with a bovine herpes virus 1 marker vaccine in 1998].

H. Barkema, J. Stegeman, A. Bouma, 2001, Tijdschrift voor diergeneeskunde.

Experimental infection with Mycobacterium avium subspecies paratuberculosis resulting in decreased body weight in Holstein-Friesian calves.

H. Barkema, K. Orsel, J. De Buck, 2017, The Canadian veterinary journal = La revue veterinaire canadienne.

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

H. Barkema, K. Orsel, F. Clement, 2014, Journal of Dairy Science.

Herd health and production management visits on Canadian dairy cattle farms: Structure, goals, and topics discussed.

D. Kelton, H. Barkema, C. Ritter, 2021, Journal of dairy science.

Gap between producers and veterinarians regarding biosecurity on Quebec dairy farms.

D. Kelton, H. Barkema, G. Keefe, 2020, The Canadian veterinary journal = La revue veterinaire canadienne.

Underlying genetic architecture of resistance to mastitis in dairy cattle: A systematic review and gene prioritization analysis of genome-wide association studies.

F. Schenkel, H. Barkema, F. Miglior, 2022, Journal of dairy science.

Prevalence and regional distribution of paratuberculosis in dairy herds in The Netherlands.

H. Barkema, Y. Schukken, K. van Maanen, 2000, Veterinary microbiology.

Lessons learned from the 2013 Calgary flood: Assessing risk of drinking water well contamination

H. Barkema, S. Checkley, S. Bertazzon, 2017 .

Molecular Epidemiology of Cryptosporidium and Giardia in Humans on Prince Edward Island, Canada: Evidence of Zoonotic Transmission From Cattle

H. Barkema, S. Greenwood, J. McClure, 2012, Zoonoses and public health.

Prevalence and molecular characterization of Cryptosporidium spp. in dairy calves from 11 farms in Prince Edward Island, Canada.

H. Barkema, J. Farber, F. Uehlinger, 2009, Veterinary parasitology.

Giardia duodenalis and Cryptosporidium spp. in a veterinary college bovine teaching herd.

H. Barkema, F. Uehlinger, Tatjana Coklin, 2006, Veterinary parasitology.

Identification of essential genes in Mycobacterium avium subsp. paratuberculosis genome for persistence in dairy calves

M. Behr, H. Barkema, J. De Buck, 2022, Frontiers in Microbiology.

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.

H. Barkema, J. De Buck, C. Ahlstrom, 2016, Journal of dairy science.

Evaluation of environmental fecal culture for Mycobacterium avium subspecies paratuberculosis detection in dairy herds and association with apparent within-herd prevalence.

H. Barkema, I. Dohoo, G. Keefe, 2013, The Canadian veterinary journal = La revue veterinaire canadienne.

Crohn's disease in humans and Johne's disease in cattle - linked diseases?

G. Kaplan, K. Rioux, H. Barkema, 2011 .

Barium selenate supplementation and its effect on intramammary infection in pasture-based dairy cows.

H. Barkema, I. Dohoo, J. Wichtel, 2010, Journal of dairy science.

Molecular epidemiology and distribution of antimicrobial resistance genes of Staphylococcus species isolated from Chinese dairy cows with clinical mastitis.

H. Barkema, E. Cobo, D. Nobrega, 2019, Journal of dairy science.

Prototheca bovis induces autophagy in bovine mammary epithelial cells via the HIF-1α and AMPKα/ULK1 pathway

H. Barkema, J. Kastelic, Xiaochen Xie, 2022, Frontiers in Immunology.

Prototheca zopfii genotype II induces mitochondrial apoptosis in models of bovine mastitis

H. Barkema, J. Kastelic, E. Cobo, 2019, Scientific Reports.

Prevalence of and factors associated with hock, knee, and neck injuries on dairy cows in freestall housing in Canada.

J. Rushen, H. Barkema, K. Orsel, 2014, Journal of dairy science.

Short communication: Herd-level prevalence of Mycobacterium avium ssp. paratuberculosis is not associated with participation in a voluntary Alberta Johne's disease control program.

D. Kelton, H. Barkema, C. Ritter, 2016, Journal of dairy science.

An Update on the Alberta Johne's Disease Initiative

H. Barkema, K. Orsel, R. Wolf, 2012 .

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

Heather Ganshorn, William A Ghali, Karen L Tang, 2017, The Lancet. Planetary health.

Associations of calf management practices with antimicrobial use in Canadian dairy calves.

D. Kelton, H. Barkema, S. LeBlanc, 2022, Journal of dairy science.

Cross-sectional study of antimicrobial use and treatment decision for preweaning Canadian dairy calves

D. Kelton, H. Barkema, S. LeBlanc, 2021, JDS communications.

Effect of freezing on somatic cell count of quarter milk samples as determined by a Fossomatic electronic cell counter.

H. Barkema, G. Benedictus, T. Lam, 1997, Journal of dairy science.

Biosecurity and herd health management practices on Canadian dairy farms.

D. Kelton, H. Barkema, G. Keefe, 2019, Journal of dairy science.

Bulk tank milk selenium and its association with milk production parameters in Canadian dairy herds.

H. Stryhn, H. Barkema, I. Dohoo, 2012, The Canadian veterinary journal = La revue veterinaire canadienne.

Fecal Shedding of Toxocara canis and Other Parasites in Foxes and Coyotes on Prince Edward Island, Canada

H. Barkema, W. Wapenaar, R. O'Handley, 2013, Journal of wildlife diseases.

Population Structure of Harvested Red Foxes ( Vulpes vulpes ) and Coyotes ( Canis latrans ) on Prince Edward Island, Canada

H. Barkema, D. Johnston, W. Wapenaar, 2013 .

The effects of machine milking on teat condition.

H. Barkema, C. Mosconi, A. Rosati, 2001 .

Risk of surgery for inflammatory bowel diseases has decreased over time: a systematic review and meta-analysis of population-based studies.

Subrata Ghosh, Nathalie Jette, Samuel Wiebe, 2013, Gastroenterology.

Effects of different culture media on growth of Treponema spp. isolated from Digital Dermatitis.

H. Barkema, J. De Buck, E. Cobo, 2021, Anaerobe.

Association between lameness risk assessment and lameness and foot lesion prevalence on dairy farms in Alberta, Canada.

H. Barkema, K. Orsel, S. Mason, 2020, Journal of dairy science.

Crossover Subsets of CD4+ T Lymphocytes in the Intestinal Lamina Propria of Patients with Crohn’s Disease and Ulcerative Colitis

G. Kaplan, H. Barkema, R. Panaccione, 2017, Digestive Diseases and Sciences.

Milk production and reproduction during a subclinical bovine herpesvirus 1 infection on a dairy farm.

H. Barkema, Y. Schukken, J. Hage, 1998, Preventive veterinary medicine.

Coagulase-negative Staphylococci Intramammary Infection Epidemiology in Dairy Cattle and Impact of Bacteriological Culture Misclassification Coagulase-negative Staphylococci Imi Epidemiology 12

H. Barkema, T. DeVries, D. Scholl, 2017 .

Effect of preculture freezing and incubation on bacteriological isolation from subclinical mastitis samples.

H. Barkema, O. Sampimon, J. Sol, 2002, Veterinary microbiology.

Johne's disease in Canada Part I: clinical symptoms, pathophysiology, diagnosis, and prevalence in dairy herds.

H. Barkema, J. VanLeeuwen, G. Keefe, 2006, The Canadian veterinary journal = La revue veterinaire canadienne.

Efficacy of vaccination in preventing giardiasis in calves

H. Barkema, S. Greenwood, F. Uehlinger, 2007, Veterinary Parasitology.

Short communication: Evaluation of sampling socks for detection of Mycobacterium avium ssp. paratuberculosis on dairy farms.

H. Barkema, K. Orsel, J. De Buck, 2016, Journal of dairy science.

A review of paratuberculosis in dairy herds - Part 1: Epidemiology.

Martin J. Green, S. More, H. Barkema, 2019, Veterinary journal.

Chlorogenic acid promotes the Nrf2/HO-1 anti-oxidative pathway by activating p21Waf1/Cip1 to resist dexamethasone-induced apoptosis in osteoblastic cells.

H. Barkema, Dandan Han, Xiaolong Gu, 2019, Free radical biology & medicine.

Contextualized understandings of dairy farmers’ perspectives on antimicrobial use and regulation in Alberta, Canada

H. Barkema, C. Adams, J. Kastelic, 2022, Journal of dairy science.

Associations of the COVID-19 pandemic with the reported incidence of important endemic infectious disease agents and syndromes in Pakistan

H. Barkema, B. Missaghi, A. Ikram, 2022, BMC Infectious Diseases.

Tenofovir disoproxil fumarate therapy to prevent hepatitis B virus vertical transmission—A review of maternal and infant outcomes

H. Barkema, C. Coffin, A. Shaheen, 2022, Liver international : official journal of the International Association for the Study of the Liver.

Antimicrobial resistance (AMR) in COVID-19 patients: a systematic review and meta-analysis (November 2019–June 2021)

T. Dingle, G. Tyrrell, H. Barkema, 2021, Antimicrobial Resistance & Infection Control.

Producer experience with transitioning to automatic milking: Cow training, challenges, and effect on quality of life.

J. Rushen, H. Barkema, E. Pajor, 2018, Journal of dairy science.

Effect of transitioning to automatic milking systems on producers' perceptions of farm management and cow health in the Canadian dairy industry.

J. Rushen, H. Barkema, E. Pajor, 2017, Journal of dairy science.

Selective treatment of nonsevere clinical mastitis does not adversely affect cure, somatic cell count, milk yield, recurrence, or culling: A systematic review and meta-analysis.

D. Kelton, S. De Vliegher, S. McDougall, 2022, Journal of dairy science.

In-depth systems biological evaluation of bovine alveolar macrophages suggests novel insights into molecular mechanisms underlying Mycobacterium bovis infection

H. Barkema, M. De Donato, F. Safarpoor Dehkordi, 2022, Frontiers in Microbiology.

Western Canadian dairy farmers' perspectives on the provision of outdoor access for dairy cows and on the perceptions of other stakeholders.

D. Weary, H. Barkema, M. V. von Keyserlingk, 2022, Journal of dairy science.

Short communication: Describing mortality and euthanasia practices on Canadian dairy farms.

D. Kelton, H. Barkema, S. Roche, 2020, Journal of dairy science.

Dogs as Sources and Sentinels of Parasites in Humans and Wildlife, Northern Canada

H. Barkema, S. Kutz, B. Elkin, 2008, Emerging infectious diseases.

Effect of cobalt supplementation on serum vitamin B12 levels, weight gain and survival rate in lambs grazing cobalt-deficient pastures.

H. Barkema, Y. Schukken, P. Vellema, 1997, The Veterinary quarterly.

Meta-analysis of the effect of oral selenium supplementation on milk selenium concentration in cattle.

H Stryhn, H. Stryhn, H. Barkema, 2009, Journal of dairy science.

Monensin toxicosis in a dairy herd.

H. Barkema, G. Keefe, Marta González, 2005, The Canadian veterinary journal = La revue veterinaire canadienne.

Co-occurrence of Plasmid-Mediated Colistin Resistance (mcr-1) and Extended-Spectrum β-Lactamase Encoding Genes in Escherichia coli from Bovine Mastitic Milk in China.

H. Barkema, J. Kastelic, B. Han, 2019, Microbial drug resistance.

Validation of the M-stage scoring system for digital dermatitis on dairy cows in the milking parlor.

H. Barkema, K. Orsel, L. Solano, 2017, Journal of dairy science.

Risk factors for clinical Salmonella enterica subsp. enterica serovar Typhimurium infection on Dutch dairy farms.

H. Barkema, K. Frankena, K Frankena, 2002, Preventive veterinary medicine.

Test characteristics from latent-class models of the California Mastitis Test.

H. Barkema, C. Sanford, I. Dohoo, 2006, Preventive veterinary medicine.

Invited review: Academic and applied approach to evaluating longevity in dairy cows.

D. Kelton, H. Barkema, K. Orsel, 2020, Journal of dairy science.

Comparison of serological methods for the diagnosis of Neospora caninum infection in cattle.

H. Barkema, J. VanLeeuwen, W. Wapenaar, 2007, Veterinary parasitology.

Evaluation of a single serological screening of dairy herds for Neospora caninum antibodies.

H. Barkema, M. Eysker, W. Wouda, 2003, Veterinary parasitology.

Evidence of post-natal transmission of Neospora caninum in Dutch dairy herds.

H. Barkema, M. Eysker, W. Wouda, 2001, International journal for parasitology.

High herd-level prevalence of Mycobacterium avium subspecies paratuberculosis in Western Canadian dairy farms, based on environmental sampling.

H. Barkema, K. Orsel, J. De Buck, 2014, Journal of dairy science.

Herd-level diagnosis for Salmonella enterica subsp. enterica serovar Dublin infection in bovine dairy herds.

F. V. van Zijderveld, H. Barkema, J. Verhoeff, 2002, Preventive veterinary medicine.

Public health interventions slowed but did not halt the spread of COVID‐19 in India

R. Lewinson, H. Barkema, R. Deardon, 2020, Transboundary and emerging diseases.

Public health interventions in India slowed the spread of COVID-19 epidemic dynamics

R. Lewinson, H. Barkema, R. Deardon, 2020, medRxiv.

The NOD2-Smoking Interaction in Crohn's Disease is likely Specific to the 1007 fs Mutation and may be Explained by Age at Diagnosis: A Meta-Analysis and Case-Only Study

G. Kaplan, M. Silverberg, H. Barkema, 2017, EBioMedicine.

Fertility, production and culling following cesarean section in dairy cattle.

H. Barkema, Y. Schukken, C. Guard, 1992, Theriogenology.

Cesarean section in dairy cattle: A study of risk factors

H. Barkema, Y. Schukken, C. Guard, 1992 .

Invited Review: The role of cow, pathogen, and treatment regimen in the therapeutic success of bovine Staphylococcus aureus mastitis.

R. Zadoks, H. Barkema, Y. Schukken, 2006, Journal of dairy science.

In vitro growth inhibition of major mastitis pathogens by Staphylococcus chromogenes originating from teat apices of dairy heifers.

A. de Kruif, S. De Vliegher, H. Barkema, 2004, Veterinary microbiology.

Incidence rate of clinical mastitis on Canadian dairy farms.

D. Kelton, H. Barkema, D. Scholl, 2008, Journal of dairy science.

Comparison of different approaches to antibiotic restriction in food-producing animals: stratified results from a systematic review and meta-analysis

W. Ghali, H. Barkema, S. Checkley, 2019, BMJ Global Health.

Knowledge Gaps in the Understanding of Antimicrobial Resistance in Canada

H. Wieden, N. Ashbolt, G. Tyrrell, 2021, Frontiers in Public Health.

Diagnostic Accuracy Assessment of Sensititre and Agar Disk Diffusion for Determining Antimicrobial Resistance Profiles of Bovine Clinical Mastitis Pathogens

H. Barkema, V. Saini, J. McClure, 2011, Journal of Clinical Microbiology.

Comparison of flow cytometry and immunofluorescence microscopy for the detection of Giardia duodenalis in bovine fecal samples

H. Barkema, J. VanLeeuwen, F. Uehlinger, 2008, Journal of veterinary diagnostic investigation : official publication of the American Association of Veterinary Laboratory Diagnosticians, Inc.

Association of bovine major histocompatibility complex (BoLA) gene polymorphism with colostrum and milk microbiota of dairy cows during the first week of lactation

H. Barkema, J. De Buck, E. Khafipour, 2018, Microbiome.

Manageable risk factors associated with the lactational incidence, elimination, and prevalence of Staphylococcus aureus intramammary infections in dairy cows.

H. Barkema, I. Dohoo, T. DeVries, 2012, Journal of dairy science.

Prevalence and genotypes of Giardia duodenalis in dairy and beef cattle in farms around Charlottetown, Prince Edward Island, Canada.

H. Barkema, S. Greenwood, J. McClure, 2011, The Canadian veterinary journal = La revue veterinaire canadienne.

Zoonotic potential of Giardia duodenalis and Cryptosporidium spp. and prevalence of intestinal parasites in young dogs from different populations on Prince Edward Island, Canada.

H. Barkema, S. Greenwood, G. Conboy, 2013, Veterinary parasitology.

Occurrence of Giardia and Cryptosporidium in pigs on Prince Edward Island, Canada.

H. Barkema, S. Greenwood, J. McClure, 2012, Veterinary parasitology.

Missing pieces of the puzzle to effectively control digital dermatitis

H. Barkema, K. Orsel, J. De Buck, 2018, Transboundary and emerging diseases.

Pathogen group specific risk factors at herd, heifer and quarter levels for intramammary infections in early lactating dairy heifers.

S. De Vliegher, S. Piepers, H. Barkema, 2011, Preventive veterinary medicine.

Heifer and quarter characteristics associated with periparturient blood and milk neutrophil apoptosis in healthy heifers and in heifers with subclinical mastitis.

A. de Kruif, S. De Vliegher, S. Piepers, 2009, Journal of dairy science.

Udder health in Canadian dairy heifers during early lactation.

H. Barkema, J. De Buck, S. Dufour, 2018, Journal of dairy science.

Treponema spp. Isolated from Bovine Digital Dermatitis Display Different Pathogenicity in a Murine Abscess Model

H. Barkema, J. De Buck, E. Cobo, 2020, Microorganisms.

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

F. V. van Zijderveld, H. Barkema, Y. Schukken, 2000, Journal of Clinical Microbiology.

Short communication: Molecular characteristics, antimicrobial susceptibility, and pathogenicity of clinical Nocardia cyriacigeorgica isolates from an outbreak of bovine mastitis.

H. Barkema, J. Kastelic, J. De Buck, 2017, Journal of dairy science.

Factors Influencing the Isolation of Mycobacterium Avium Subsp. Paratuberculosis from Bovine Fecal Samples

H. Barkema, M. Collins, C. Kalis, 1999, Journal of veterinary diagnostic investigation : official publication of the American Association of Veterinary Laboratory Diagnosticians, Inc.

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

H. Barkema, M. Collins, C. V. Maanen, 2002, Journal of veterinary diagnostic investigation : official publication of the American Association of Veterinary Laboratory Diagnosticians, Inc.

Culture of Strategically Pooled Bovine Fecal Samples as a Method to Screen Herds for Paratuberculosis

H. Barkema, M. Collins, H W Barkema, 2000, Journal of veterinary diagnostic investigation : official publication of the American Association of Veterinary Laboratory Diagnosticians, Inc.

[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].

H. Barkema, P. Franken, M. Holzhauer, 2001, Tijdschrift voor diergeneeskunde.

Retained placenta in Friesian mares: incidence, and potential risk factors with special emphasis on gestational length.

H. Stryhn, H. Barkema, J. Hesselink, 2004, Theriogenology.

Effect of inbreeding on the incidence of retained placenta in Friesian horses.

H. Barkema, A. Groen, T. Vrijenhoek, 2004, Journal of Animal Science.

Impact of intramammary infections in dairy heifers on future udder health, milk production, and culling.

A. de Kruif, S. De Vliegher, S. Piepers, 2009, Veterinary microbiology.

Calf management practices and associations with herd-level morbidity and mortality on beef cow-calf operations.

H. Barkema, E. Pajor, M. Jelinski, 2016, Animal : an international journal of animal bioscience.

Serum calcium and magnesium concentrations and the use of a calcium-magnesium-borogluconate solution in the treatment of Friesian mares with retained placenta.

H. Barkema, J. Hesselink, M. Sevinga, 2002, Theriogenology.

Comparison of five diagnostic tests for Giardia duodenalis in fecal samples from young dogs.

H. Barkema, S. Greenwood, G. Conboy, 2017, Veterinary parasitology.

Giardia and Cryptosporidium on dairy farms and the role these farms may play in contaminating water sources in Prince Edward Island, Canada.

H. Barkema, S. Greenwood, J. McClure, 2012, Journal of veterinary internal medicine.

Invited review: Changes in the dairy industry affecting dairy cattle health and welfare.

M A G von Keyserlingk, D F Kelton, D. Kelton, 2015, Journal of dairy science.

Associations between sperm abnormalities, breed, age, and scrotal circumference in beef bulls.

H. Barkema, J. Kastelic, J. Thundathil, 2011, Canadian journal of veterinary research = Revue canadienne de recherche veterinaire.

Effect of footbath protocols for prevention and treatment of digital dermatitis in dairy cattle: A systematic review and network meta-analysis.

H. Barkema, K. Orsel, G. Hazlewood, 2019, Preventive veterinary medicine.

Comparison of effects of routine topical treatments in the milking parlor on digital dermatitis lesions.

H. Barkema, K. Orsel, S. Mason, 2018, Journal of dairy science.

Associations between lying behavior and lameness in Canadian Holstein-Friesian cows housed in freestall barns.

J. Rushen, H. Barkema, K. Orsel, 2016, Journal of dairy science.

Effect of coagulase-negative staphylococci on somatic cell count in Dutch dairy herds

H. Barkema, T. Lam, B. H. van den Borne, 2010, Journal of Dairy Research.

Impact of early lactation somatic cell count in heifers on milk yield over the first lactation.

A. de Kruif, H. Stryhn, S. De Vliegher, 2005, Journal of dairy science.

Association between somatic cell count in early lactation and culling of dairy heifers using cox frailty models.

A. de Kruif, L. Duchateau, S. De Vliegher, 2005, Journal of dairy science.

Impact of early lactation somatic cell count in heifers on somatic cell counts over the first lactation.

A. de Kruif, H. Stryhn, S. De Vliegher, 2004, Journal of dairy science.

Management practices and heifer characteristics associated with early lactation somatic cell count of Belgian dairy heifers.

A. de Kruif, H. Stryhn, S. De Vliegher, 2004, Journal of dairy science.

Symposium review: Novel strategies to genetically improve mastitis resistance in dairy cattle.

H. Barkema, L. Brito, F. Miglior, 2018, Journal of dairy science.

A Differential Innate Immune Response in Active and Chronic Stages of Bovine Infectious Digital Dermatitis

H. Barkema, K. Orsel, J. De Buck, 2018, Front. Microbiol..

Risk factors for clinical mastitis in a random sample of dairy herds from the southern part of The Netherlands.

H. Barkema, Y. Schukken, J. Miltenburg, 1998, Journal of dairy science.

Prepartum teat apex colonization with Staphylococcus chromogenes in dairy heifers is associated with low somatic cell count in early lactation.

A. Kruif, A. de Kruif, S. De Vliegher, 2003, Veterinary microbiology.

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

Steven R. Martin, H. Barkema, C. Coffin, 2020, Alimentary pharmacology & therapeutics.

Pathogens at the livestock-wildlife interface in Western Alberta: does transmission route matter?

H. Barkema, K. Orsel, M. Musiani, 2014, Veterinary Research.

Management practices associated with the incidence rate of clinical mastitis.

H. Barkema, G. Benedictus, T. Lam, 1999, Journal of dairy science.

Host defense cathelicidins in cattle: types, production, bioactive functions and potential therapeutic and diagnostic applications.

H. Barkema, E. Cobo, D. Drouin, 2018, International journal of antimicrobial agents.

Multi-Omics Integration and Network Analysis Reveal Potential Hub Genes and Genetic Mechanisms Regulating Bovine Mastitis

H. Barkema, M. Bakhtiarizadeh, Md. Amdadul Huq, 2022, Current issues in molecular biology.

Analytical specificity and sensitivity of a real-time polymerase chain reaction assay for identification of bovine mastitis pathogens.

J. Holopainen, R. Bexiga, D. Kelton, 2009, Journal of dairy science.

Omics Multi-Layers Networks Provide Novel Mechanistic and Functional Insights Into Fat Storage and Lipid Metabolism in Poultry

S. R. Miraei-Ashtiani, H. Barkema, F. Ghafouri, 2021, Frontiers in Genetics.

Integrated Network Analysis to Identify Key Modules and Potential Hub Genes Involved in Bovine Respiratory Disease: A Systems Biology Approach

H. Barkema, Negin Sheybani, F. Fatehi, 2021, Frontiers in Genetics.

Invited review: Microbiota of the bovine udder: Contributing factors and potential implications for udder health and mastitis susceptibility.

H. Barkema, J. De Buck, K. Fehr, 2018, Journal of dairy science.

Perturbation of the Human Microbiome as a Contributor to Inflammatory Bowel Disease

H. Barkema, Subrata Ghosh, K. Madsen, 2014, Pathogens.

Exposure to Ingested Airborne Pollutant Particulate Matter Increases Mucosal Exposure to Bacteria and Induces Early Onset of Inflammation in Neonatal IL-10–Deficient Mice

G. Kaplan, H. Barkema, R. Vincent, 2014, Inflammatory bowel diseases.

Differential Co-Expression Network Analysis Reveals Key Hub-High Traffic Genes as Potential Therapeutic Targets for COVID-19 Pandemic

H. Barkema, J. Kastelic, Negin Sheybani, 2021, Frontiers in Immunology.

Prevalence of Potential Virulence Genes in Klebsiella spp. Isolated from Cows with Clinical Mastitis on Large Chinese Dairy Farms.

H. Barkema, D. Nobrega, B. Han, 2019, Foodborne pathogens and disease.

A review of paratuberculosis in dairy herds - Part 2: On-farm control.

Martin J. Green, S. More, H. Barkema, 2019, Veterinary journal.

Susceptibility to and diagnosis of Mycobacterium avium subspecies paratuberculosis infection in dairy calves: A review.

H. Barkema, J. De Buck, Rienske A R Mortier, 2015, Preventive veterinary medicine.

Agreement between three ELISAs for Mycobacterium avium subsp. paratuberculosis in dairy cattle.

H. Barkema, G. Keefe, S. McKenna, 2006, Veterinary microbiology.

Retained placenta in Friesian mares: incidence, risk factors, therapy, and consequences

H. Barkema, J. Hesselink, M. Sevinga, 2001 .

Validating the assessment of bull sperm morphology by veterinary practitioners.

H. Barkema, J. Kastelic, J. Thundathil, 2011, The Canadian veterinary journal = La revue veterinaire canadienne.

Factors associated with participation of Alberta dairy farmers in a voluntary, management-based Johne's disease control program.

D F Kelton, D. Kelton, H. Barkema, 2015, Journal of dairy science.

Management practices associated with low, medium, and high somatic cell counts in bulk milk.

G Benedictus, H. Barkema, G. Benedictus, 1998, Journal of dairy science.

Biological basis for selection on udder health traits

H. Barkema, T. Lam, Y. Schukken, 1997 .

An outbreak of dictyocaulosis in lactating cows on a dairy farm.

H. Barkema, W. Wapenaar, R. O'Handley, 2007, Journal of the American Veterinary Medical Association.

Canadian veterinarians' use of analgesics in cattle, pigs, and horses in 2004 and 2005.

H. Barkema, I. Dohoo, C. Hewson, 1968, The Canadian veterinary journal = La revue veterinaire canadienne.

Environment and the inflammatory bowel diseases.

G. Kaplan, H. Barkema, R. Panaccione, 2013, Canadian journal of gastroenterology = Journal canadien de gastroenterologie.

Incidence of primary sclerosing cholangitis: A systematic review and meta‐analysis

G. Kaplan, H. Quan, H. Barkema, 2011, Hepatology.

The Features of Fecal and Ileal Mucosa-Associated Microbiota in Dairy Calves during Early Infection with Mycobacterium avium Subspecies paratuberculosis

H. Barkema, J. De Buck, E. Khafipour, 2016, Front. Microbiol..

Recurrent clinical mastitis caused by Escherichia coli in dairy cows.

D. Döpfer, H. Barkema, T. Lam, 1999, Journal of dairy science.

Staphylococcus debuckii sp. nov., a coagulase-negative species from bovine milk.

H. Barkema, S. Dufour, J. Roy, 2019, International journal of systematic and evolutionary microbiology.

Uitbraak van bovine virus diarree op Nederlandse rundveebedrijven na vaccinatie met een BVDV type 2 gecontamineerd BHV1 markervaccine [Outbreak of bovine viral diarrhoe on Dutch dairy farms induced by a BHV1 marker vaccine contaminated with BDVD type 2]

H. Barkema, P. Franken, M. Holzhauer, 2001 .

Antimicrobial resistance profiles of 5 common bovine mastitis pathogens in large Chinese dairy herds.

H. Barkema, J. Kastelic, J. De Buck, 2019, Journal of dairy science.

Invited review: Incidence, risk factors, and effects of clinical mastitis recurrence in dairy cows.

H. Stryhn, H. Barkema, M. Jacques, 2018, Journal of dairy science.

Limitations of variable number of tandem repeat typing identified through whole genome sequencing of Mycobacterium avium subsp. paratuberculosis on a national and herd level

D. Kelton, R. Kao, R. Zadoks, 2015, BMC Genomics.

Improved Short-Sequence-Repeat Genotyping of Mycobacterium avium subsp. paratuberculosis by Using Matrix-Assisted Laser Desorption Ionization–Time of Flight Mass Spectrometry

H. Barkema, J. De Buck, C. Ahlstrom, 2013, Applied and Environmental Microbiology.

Probability of and risk factors for introduction of infectious diseases into Dutch SPF dairy farms: a cohort study.

A A Dijkhuizen, G Benedictus, M. Nielen, 2002, Preventive veterinary medicine.

Ulcerative Colitis Patients With Clostridium difficile are at Increased Risk of Death, Colectomy, and Postoperative Complications: A Population-Based Inception Cohort Study

G. Kaplan, K. Rioux, H. Barkema, 2016, The American Journal of Gastroenterology.

Clostridium difficile infection worsens the prognosis of ulcerative colitis.

G. Kaplan, K. Rioux, H. Barkema, 2014, Canadian journal of gastroenterology & hepatology.

Environmental Particulate Matter Induces Murine Intestinal Inflammatory Responses and Alters the Gut Microbiome

G. Kaplan, R. Tso, K. Rioux, 2013, PloS one.

Antimicrobial resistance (AMR) in COVID-19 patients: a systematic review and meta-analysis (November 2019–June 2021)

T. Dingle, G. Tyrrell, H. Barkema, 2022, Antimicrobial Resistance & Infection Control.

Non-aureus Staphylococci and Bovine Udder Health: Current Understanding and Knowledge Gaps

S. De Vliegher, H. Barkema, J. De Buck, 2021, Frontiers in Veterinary Science.

Prevalence and Genetic Basis of Antimicrobial Resistance in Non-aureus Staphylococci Isolated from Canadian Dairy Herds

H. Barkema, J. Kastelic, J. De Buck, 2018, Front. Microbiol..

Prevalence and distribution of mastitis pathogens in subclinically infected dairy cows in Flanders, Belgium

A. de Kruif, S. De Vliegher, S. Piepers, 2007, Journal of Dairy Research.

Dietary patterns, food groups and nutrients in Crohn’s disease: associations with gut and systemic inflammation

H. Barkema, R. Panaccione, Subrata Ghosh, 2021, Scientific Reports.

The effects of lameness on reproductive performance, milk production and culling in Dutch dairy farms

Ynte H. Schukken, Herman W. Barkema, H. Barkema, 1994 .

Rapid identification of bovine mastitis pathogens by high-resolution melt analysis of 16S rDNA sequences.

H. Barkema, J. De Buck, P. Ajitkumar, 2012, Veterinary microbiology.

Tu1303 Risk of Surgery Following Diagnosis in Adult and Pediatric Ulcerative Colitis Patients: A Systematic Review and Meta-Analysis

K. Rioux, H. Barkema, S. Checkley, 2012 .

A serologic survey of Mycoplasma spp. in farmed bison (Bison bison) herds in western Canada

H. Barkema, M. Suleman, K. Register, 2017, Journal of veterinary diagnostic investigation : official publication of the American Association of Veterinary Laboratory Diagnosticians, Inc.

Risk factors for Mycoplasma bovis-associated disease in farmed bison (Bison bison) herds in western Canada: A case-control study.

H. Barkema, C. Ribble, M. Woodbury, 2016, Preventive veterinary medicine.

Escherichia coli contamination of rural well water in Alberta, Canada is associated with soil properties, density of livestock and precipitation

N. Neumann, H. Barkema, S. Checkley, 2019, Canadian Water Resources Journal / Revue canadienne des ressources hydriques.

Feeding behavior as an early predictor of bovine respiratory disease in North American feedlot systems.

K. Schwartzkopf-Genswein, H. Barkema, K. Orsel, 2014, Journal of animal science.

Clinical presentation, prevalence, and risk factors associated with Mycoplasma bovis-associated disease in farmed bison (Bison bison) herds in western Canada.

H. Barkema, C. Ribble, M. Woodbury, 2017, Journal of the American Veterinary Medical Association.

Sheep do not have a major role in bovine herpesvirus 1 transmission.

H. Barkema, Y. Schukken, J. Hage, 1997, Veterinary microbiology.

Impact of automatic milking systems on dairy cattle producers' reports of milking labour management, milk production and milk quality.

J. Rushen, H. Barkema, E. Pajor, 2018, Animal : an international journal of animal bioscience.

Exploratory study on the economic value of a closed farming system on Dutch dairy farms

A. Dijkhuizen, H. Barkema, G. Benedictus, 1998, Veterinary Record.

Reproductive performance of Friesian mares after retained placenta and manual removal of the placenta.

H. Barkema, J. Hesselink, M. Sevinga, 2002, Theriogenology.

Retained placenta in Friesian mares: reproductive performance after foal heat breeding versus breeding in a subsequent heat

H. Barkema, J. Hesselink, M. Sevinga, 2001 .

Effects of changing freestall area on lameness, lying time, and leg injuries on dairy farms in Alberta, Canada.

H. Barkema, K. Orsel, D. Pellerin, 2017, Journal of dairy science.

Prevalence, fecal egg counts, and species identification of gastrointestinal nematodes in replacement dairy heifers in Canada.

D. Kelton, H. Barkema, E. Redman, 2019, Journal of dairy science.

Meta-analysis and adjusted estimation of COVID-19 case fatality risk in India and its association with the underlying comorbidities

R. Lewinson, H. Barkema, M. Ward, 2020, One Health.

Cow-specific treatment of clinical mastitis: an economic approach.

W Steeneveld, H Hogeveen, H. Barkema, 2011, Journal of dairy science.

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

H. Barkema, J. De Buck, E. Khafipour, 2020, Animal microbiome.

Composition of the teat canal and intramammary microbiota of dairy cows subjected to antimicrobial dry cow therapy and internal teat sealant.

H. Barkema, J. De Buck, E. Khafipour, 2018, Journal of dairy science.

Metabolomic Profiling in Cattle Experimentally Infected with Mycobacterium avium subsp. paratuberculosis

H. Vogel, H. Barkema, J. De Buck, 2014, PloS one.

Canadian National Dairy Study: Describing Canadian dairy producer practices and perceptions surrounding cull cow management.

D. Kelton, H. Barkema, S. Roche, 2020, Journal of dairy science.

Prevalence of lameness and associated risk factors in Canadian Holstein-Friesian cows housed in freestall barns.

J. Rushen, H. Barkema, K. Orsel, 2015, Journal of dairy science.

Comparison of treatment records and inventory of empty drug containers to quantify antimicrobial usage in dairy herds.

H. Barkema, J. De Buck, D. Nobrega, 2017, Journal of dairy science.

Disability-adjusted life years (DALYs) due to the direct health impact of COVID-19 in India, 2020

H. Barkema, B. Devleesschauwer, M. Lowerison, 2021, Scientific Reports.

Bacteriocins of Non-aureus Staphylococci Isolated from Bovine Milk

H. Barkema, J. De Buck, Domonique A Carson, 2017, Applied and Environmental Microbiology.

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.

A. de Kruif, S. De Vliegher, S. Piepers, 2010, Journal of dairy science.

Incidence, susceptibility and outcomes of candidemia in adults living in Calgary, Alberta, Canada (2010–2018)

D. Church, H. Barkema, D. Gregson, 2023, BMC Infectious Diseases.

Association of Levels of Specialized Care With Risk of Premature Mortality in Patients With Epilepsy.

S. Patten, T. Williamson, N. Jetté, 2019, JAMA neurology.

Invited review: Effectiveness of precalving treatment on postcalving udder health in nulliparous dairy heifers: A systematic review and meta-analysis.

H. Barkema, P. Ronksley, D. Nobrega, 2018, Journal of dairy science.

Estimation of interdependence among quarters of the bovine udder with subclinical mastitis and implications for analysis.

D. Galligan, H. Barkema, T. Lam, 1997, Journal of dairy science.

Murine and Human Cathelicidins Contribute Differently to Hallmarks of Mastitis Induced by Pathogenic Prototheca bovis Algae

H. Barkema, E. Cobo, B. Han, 2020, Frontiers in Cellular and Infection Microbiology.

High-resolution melt analysis for species identification of coagulase-negative staphylococci derived from bovine milk.

R. Zadoks, H. Barkema, J. De Buck, 2013, Diagnostic microbiology and infectious disease.

Effect of prepartum dry cow antibiotic treatment in dairy heifers on udder health and milk production.

S. De Vliegher, H. Barkema, T. Lam, 2009, Journal of dairy science.

Evaluation of Two Enzyme-Linked Immunosorbent Assays for Detecting Salmonella enterica subsp.enterica Serovar Dublin Antibodies in Bulk Milk

F. V. van Zijderveld, H. Barkema, Y. Schukken, 2001, Clinical Diagnostic Laboratory Immunology.

Dairy farmers' perceptions toward the implementation of on-farm Johne's disease prevention and control strategies.

H. Barkema, C. Ritter, J. Jansen, 2016, Journal of dairy science.

Spatial-temporal cluster analysis of fatal Clostridium chauvoei cases among cattle in Styria, Austria between 1986 and 2013.

H. Barkema, J. Kastelic, R. Wolf, 2017, Preventive veterinary medicine.

Herd level approach to high bulk milk somatic cell count problems in dairy cattle

R. Zadoks, S. De Vliegher, S. Piepers, 2013, The Veterinary quarterly.

Invited review: Bovine leukemia virus-Transmission, control, and eradication.

H. Barkema, K. Orsel, R. Erskine, 2021, Journal of dairy science.

Development and validation of a bilingual questionnaire for measuring udder health related management practices on dairy farms.

H. Barkema, I. Dohoo, T. DeVries, 2010, Preventive veterinary medicine.

Prevalence of antimicrobial resistance genes and its association with restricted antimicrobial use in food-producing animals: a systematic review and meta-analysis.

W. Ghali, H. Barkema, J. Kastelic, 2020, The Journal of antimicrobial chemotherapy.

Validity of administrative data for the diagnosis of primary sclerosing cholangitis: a population‐based study

G. Kaplan, H. Quan, H. Barkema, 2011, Liver international : official journal of the International Association for the Study of the Liver.

Antimicrobial use and its association with the isolation of and antimicrobial resistance in Campylobacter spp. recovered from fecal samples from Canadian dairy herds: A cross-sectional study.

D. Kelton, H. Stryhn, H. Barkema, 2023, Preventive veterinary medicine.

Canadian dairy farmers' perception of the efficacy of biosecurity practices.

D. Kelton, H. Barkema, G. Keefe, 2019, Journal of dairy science.

Crohn’s disease therapeutic dietary intervention (CD-TDI): study protocol for a randomised controlled trial

G. Gkoutos, H. Barkema, D. Mutch, 2022, BMJ open gastroenterology.

Effect of dry-off management on milking behavior, milk yield, and somatic cell count of dairy cows milked in automated milking systems.

D. Kelton, H. Barkema, T. DeVries, 2022, Journal of dairy science.

Genetic analysis of subclinical mastitis in early lactation of heifers using both linear and threshold models.

H. Barkema, F. Miglior, F. Malchiodi, 2018, Journal of dairy science.

Factors associated with dairy farmers' satisfaction and preparedness to adopt recommendations after veterinary herd health visits.

D. Kelton, H. Barkema, C. Ritter, 2019, Journal of dairy science.

Invited review: Selective treatment of clinical mastitis in dairy cattle.

D. Kelton, S. De Vliegher, S. McDougall, 2023, Journal of dairy science.

Diagnosing Intramammary Infection: Meta-Analysis and Mapping Review on Frequency and Udder Health Relevance of Microorganism Species Isolated from Bovine Milk Samples

D. Kelton, H. Barkema, T. DeVries, 2022, Animals : an open access journal from MDPI.

Mastitis detection with recurrent neural networks in farms using automated milking systems

H. Barkema, M. King, T. DeVries, 2022, Comput. Electron. Agric..

Incidence of clinical mastitis and distribution of pathogens on large Chinese dairy farms.

H. Barkema, J. Kastelic, B. Han, 2017, Journal of dairy science.

Current status and future challenges in mastitis research

H. Barkema, K. P. Waller, T. Lam, 2011 .

Gene-expression profiling of calves 6 and 9 months after inoculation with Mycobacterium avium subspecies paratuberculosis

H. Barkema, J. De Buck, L. Guan, 2014, Veterinary Research.

Certification of herds as free of Mycobacterium paratuberculosis infection: actual pooled faecal results versus certification model predictions.

H. Barkema, M. Collins, H W Barkema, 2004, Preventive veterinary medicine.

Quantifying transmission of Mycobacterium avium subsp. paratuberculosis among group-housed dairy calves

M. D. de Jong, H. Barkema, K. Orsel, 2019, Veterinary Research.

Canada has an opportunity to address antimicrobial resistance through COVID-19 recovery spending

H. Barkema, Gerard D. Wright, A. Morris, 2022, The Lancet Regional Health - Americas.

The economics of caesarian section in dairy cattle

A. Dijkhuizen, H. Barkema, Y. Schukken, 1994 .

Association of standing and lying behavior patterns and incidence of intramammary infection in dairy cows milked with an automatic milking system.

J. Rodenburg, H. Barkema, T. DeVries, 2011, Journal of dairy science.

Invited review: effect of udder health management practices on herd somatic cell count.

H. Barkema, D. Scholl, S. Dufour, 2011, Journal of dairy science.

Impact of automatic teat dipping and cluster flushing on the milking work routine.

H. Barkema, T. Lam, C. Koning, 2008 .

Factors affecting Canadian veterinarians' use of analgesics when dehorning beef and dairy calves.

H. Barkema, I. Dohoo, C. Hewson, 2007, The Canadian veterinary journal = La revue veterinaire canadienne.

Dairy farms testing positive for Mycobacterium avium ssp. paratuberculosis have poorer hygiene practices and are less cautious when purchasing cattle than test-negative herds.

H. Barkema, K. Orsel, J. De Buck, 2016, Journal of dairy science.

Action cameras and the Roter interaction analysis system to assess veterinarian-producer interactions in a dairy setting

H. Barkema, C. Ritter, C. Adams, 2017, Veterinary Record.

Understanding Farmers' Behavior and Their Decision-Making Process in the Context of Cattle Diseases: A Review of Theories and Approaches

J. Berezowski, H. Barkema, C. Ritter, 2021, Frontiers in Veterinary Science.

Re-emergence of canine Leishmania infantum infection in mountain areas of Beijing

Yang Liu, Gang Liu, H. Barkema, 2023, One Health Advances.

Re-emergence of canine

Yang Liu, Wei Huang, Gang Liu, 2023 .

Synthetic cathelicidin LL-37 reduces Mycobacterium avium subsp. paratuberculosis internalization and pro-inflammatory cytokines in macrophages

H. Barkema, J. De Buck, E. Cobo, 2019, Cell and Tissue Research.

Evaluation by employees of employee management on large US dairy farms.

S. J. Moore, H. Barkema, C. Ritter, 2018, Journal of dairy science.

Selenomethionine Suppressed TLR4/NF-κB Pathway by Activating Selenoprotein S to Alleviate ESBL Escherichia coli-Induced Inflammation in Bovine Mammary Epithelial Cells and Macrophages

H. Barkema, J. Kastelic, B. Han, 2020, Frontiers in Microbiology.

Evaluating the cost implications of a radio frequency identification feeding system for early detection of bovine respiratory disease in feedlot cattle.

B. Manns, K. Schwartzkopf-Genswein, H. Barkema, 2015, Preventive veterinary medicine.

Genetic parameters of pathogen-specific incidence of clinical mastitis in dairy cows

R. Veerkamp, H. Barkema, Y. D. Haas, 2002 .

Intramammary and systemic use of antimicrobials and their association with resistance in generic Escherichia coli recovered from fecal samples from Canadian dairy herds: A cross-sectional study.

D. Kelton, H. Stryhn, H. Barkema, 2023, Preventive veterinary medicine.

Performance of API Staph ID 32 and Staph-Zym for identification of coagulase-negative staphylococci isolated from bovine milk samples.

R. Zadoks, S. De Vliegher, H. Barkema, 2009, Veterinary microbiology.

Use of an online gaming tool, the Veterinary DialogueTrainer, for teaching clinical communication skills to bovine veterinary practitioners

H. Barkema, C. Ritter, J. Jansen, 2023, Frontiers in Veterinary Science.

Genetic diversity and molecular epidemiology of outbreaks of Klebsiella pneumoniae mastitis on two large Chinese dairy farms.

H. Barkema, J. Kastelic, Jia Hua Cheng, 2020, Journal of dairy science.

Klebsiella pneumoniae isolated from bovine mastitis is cytopathogenic for bovine mammary epithelial cells.

H. Barkema, J. Kastelic, Jia Hua Cheng, 2020, Journal of dairy science.

Johne's disease in Canada part I

H. Barkema, J. VanLeeuwen, G. Keefe, 2006 .

Biological and genomic characteristics of two bacteriophages isolated from sewage, using one multidrug-resistant and one non-multidrug-resistant strain of Klebsiella pneumoniae

H. Barkema, J. Kastelic, B. Han, 2022, Frontiers in Microbiology.

Broad-spectrum infrared thermography for detection of M2 digital dermatitis lesions on hind feet of standing dairy cattle

H. Barkema, K. Orsel, T. van Werven, 2023, PloS one.

Identifying management and disease priorities of Canadian dairy industry stakeholders.

D. Kelton, H. Barkema, G. Keefe, 2016, Journal of dairy science.

Data considerations for developing deep learning models for dairy applications: A simulation study on mastitis detection

H. Barkema, M. King, T. DeVries, 2022, Comput. Electron. Agric..

Integrated Comparative Transcriptome and circRNA-lncRNA-miRNA-mRNA ceRNA Regulatory Network Analyses Identify Molecular Mechanisms Associated with Intramuscular Fat Content in Beef Cattle

S. R. Miraei-Ashtiani, H. Barkema, J. Kastelic, 2023, Animals : an open access journal from MDPI.

Construction of a circRNA– lincRNA–lncRNA–miRNA–mRNA ceRNA regulatory network identifies genes and pathways linked to goat fertility

S. R. Miraei-Ashtiani, H. Barkema, J. Kastelic, 2023, Frontiers in genetics.

Incidence of primary sclerosing cholangitis: a systematic review and meta-analysis.

G. Kaplan, H. Quan, H. Barkema, 2011, Hepatology.

The potential impact of the COVID-19 pandemic on global antimicrobial and biocide resistance: an AMR Insights global perspective

Yonghong Xiao, H. Barkema, T. Parkunan, 2021, JAC-antimicrobial resistance.

Effects of employer management on employee recruitment, satisfaction, engagement, and retention on large US dairy farms.

S. J. Moore, H. Barkema, C. Ritter, 2020, Journal of dairy science.

Mediation analysis to estimate direct and indirect milk losses due to clinical mastitis in dairy cattle.

H. Barkema, J. Kastelic, J. Detilleux, 2015, Preventive veterinary medicine.

Associations of the COVID-19 pandemic with the reported incidence of important endemic infectious disease agents and syndromes in Pakistan

H. Barkema, B. Missaghi, A. Ikram, 2022, BMC Infectious Diseases.

Tetralogy of Fallot in a 2-year-old Holstein heifer.

H. Barkema, S. McKenna, J. McClure, 2003, The Canadian veterinary journal = La revue veterinaire canadienne.

Quarter-milk somatic cell count at calving and at the first six milkings after calving.

H. Barkema, T. Lam, Y. Schukken, 1999, Preventive veterinary medicine.

Perspectives of Western Canadian dairy farmers on providing outdoor access for dairy cows.

D. Weary, H. Barkema, M. V. von Keyserlingk, 2021, Journal of dairy science.

Outdoor access practices in the Canadian dairy industry.

H. Barkema, J. Lombard, A. Smid, 2023, Journal of dairy science.

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

R. Zadoks, L. Fox, H. Barkema, 2002, Journal of Clinical Microbiology.

Adoption and decision factors regarding selective treatment of clinical mastitis on Canadian dairy farms.

H. Barkema, S. Dufour, E. de Jong, 2023, Journal of dairy science.

Genes associated with fitness and disease severity in the pan-genome of mastitis-associated Escherichia coli

H. Barkema, B. Pickett, D. Nobrega, 2023, bioRxiv.

Staphylococcus debuckii sp. nov., a coagulase-negative species from bovine milk.

H. Barkema, S. Dufour, J. Roy, 2019, International journal of systematic and evolutionary microbiology.

Oxytetracycline reduces inflammation and treponeme burden whereas vitamin D3 promotes β-defensin expression in bovine infectious digital dermatitis

H. Barkema, K. Orsel, J. De Buck, 2019, Cell and Tissue Research.

Genetic analysis of pathogen-specific intramammary infections in dairy cows.

F. Schenkel, H. Barkema, F. Miglior, 2020, Journal of dairy science.

Patient compliance with the implementation of a decolonization strategy for Staphylococcus aureus in hip and knee replacements.

H. Barkema, Myles Leslie, J. Leal, 2023, American journal of infection control.

Herd-level prevalence of bovine leukemia virus, Salmonella Dublin and Neospora caninum in Alberta, Canada, dairy herds using ELISA on bulk tank milk samples.

H. Barkema, J. De Buck, E. de Jong, 2024, Journal of dairy science.

Total coliform and Escherichia coli contamination in rural well water: analysis for passive surveillance.

N. Neumann, H. Barkema, S. Checkley, 2017, Journal of water and health.

Relationship between postmilking standing duration and risk of intramammary infection in freestall-housed dairy cows milked 3 times per day.

H. Barkema, M. V. Keyserlingk, M. Watters, 2014, Journal of dairy science.

Associations of herd- and cow-level factors, cow lying behavior, and risk of elevated somatic cell count in free-stall housed lactating dairy cows.

H. Barkema, M. Watters, T.J. DeVries, 2013, Preventive veterinary medicine.

Escherichia coli infection induces ferroptosis in bovine mammary epithelial cells by activating the Wnt/β-catenin pathway-mediated mitophagy

H. Barkema, Jian Gao, Z. Deng, 2024, Mitochondrion.

Epidemiology, linkage to care and natural history of women of childbearing age with chronic hepatitis B: A population-based study.

H. Barkema, G. S. Kochaksaraei, Fengjuan Yang, 2024, Journal of viral hepatitis.

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.

A. Kruif, S. Piepers, H. Barkema, 2010, Journal of dairy science.

Prevalence and herd-level risk factors for intramammary infection with coagulase-negative staphylococci in Dutch dairy herds.

H. Barkema, O. Sampimon, J. Sol, 2009, Veterinary microbiology.

main-Invited review: Selective treatment of clinical mastitis in dairy cattle

H. Barkema, P. Rajala-Schultz, D. Speksnijder, 2022 .

Examination of unintended consequences of antibiotic use restrictions in food-producing animals: Sub-analysis of a systematic review

W. Ghali, H. Barkema, S. Checkley, 2019, One health.