| Culture of strategically pooled bovine fecal samples as a method to screen herds for paratuberculosis | Kalis, C. H.; Hesselink, J. W.; Barkema, H. W.; Collins, M. T. |
| Relationship between teat-end callosity and occurrence of clinical mastitis | Neijenhuis, F.; Barkema, H. W.; Hogeveen, H.; Noordhuizen, J. P. |
| Neospora caninum-like oocysts observed in feces of free-ranging red foxes (Vulpes vulpes) and coyotes (Canis latrans) | Wapenaar, W.; Jenkins, M. C.; O'Handley, R. M.; Barkema, H. W. |
| Effect of cobalt supplementation on serum vitamin B12 levels, weight gain and survival rate in lambs grazing cobalt-deficient pastures | Vellema, P.; Moll, L.; Barkema, H. W.; Schukken, Y. H. |
| Incidence and risk factors for repeated cases of clinical Escherichia coli mastitis in dairy cattle | Dopfer, D.; Barkema, H. W.; Lam, T. J. G. M.; Schukken, Y. H.; Gaastra, W. |
| Dogs shed Neospora caninum oocysts after ingestion of naturally infected bovine placenta but not after ingestion of colostrum spiked with Neospora caninum tachyzoites | Dijkstra, T.; Eysker, M.; Schares, G.; Conraths, F. J.; Wouda, W.; Barkema, H. W. |
| Genetic parameters of pathogen-specific incidence of clinical mastitis in dairy cows | de Haas, Y.; Barkema, H. W.; Veerkamp, R. F. |
| Somatic cell count in the first six milkings after calving | Barkema, H. W.; Deluyker, H. A.; Schukken, Y. H.; Lam, T. J. G. M.; van Goubergen, M. F. G.; de Gee, T. L. 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 | Dijkstra, T.; Barkema, H. W.; Hesselink, J. W.; Wouda, W. |
| The effect of discontinuation of postmilking teat disinfection in low somatic cell count herds. II. Dynamics of intramammary infections | Lam, T. J.; van Vliet, J. H.; Schukken, Y. H.; Grommers, F. J.; van Velden-Russcher, A.; Barkema, H. W.; Brand, A. |
| Cesarean section in dairy cattle | Barkema, H. W.; Schukken, Y. H.; Guard, C. L.; Brand, A.; Weyden, G. C. van den |
| Retained placenta in Friesian mares | Sevinga, M.; Barkema, H. W.; Hesselink, J. W. |
| Evaluation of a single serological screening of dairy herds for Neospora caninum antibodies | Dijkstra, T.; Barkema, H. W.; Eysker, M.; Beiboer, M. L.; Wouda, W. |
| Mastitis in Canada | Riekerink, R. O.; Barkema, H. W. |
| Interdependence of subclinical mastitis among quarters of the bovine udder | Barkema, H. W.; Galligan, D. T.; Schukken, Y. H.; Lam, T. J. G. M.; Beiboer, M. L.; Brand, A. |
| Risk factors for clinical Salmonella enterica subsp. enterica serovar Typhimurium infection on Dutch dairy farms | Veling, J.; Wilpshaar, H.; Frankena, K.; Bartels, C.; Barkema, H. W. |
| The effects of lameness on reproductive performance, milk production and culling in Dutch dairy farms | Barkema, H. W.; Westrik, J. D.; van Keulen, K. A. S.; Schukken, Y. H.; Brand, A. |
| Design and evaluation of field studies on subclinical mastitis dealing with interdependence among quarters of the bovine udder | Barkema, H. W.; Schukken, Y. H.; Lam, T. J. G. M. |
| Probability of and risk factors for introduction of infectious diseases into Dutch SPF dairy farms | van Schaik, G.; Schukken, Y. H.; Nielen, M.; Dijkhuizen, A. A.; Barkema, H. W.; Benedictus, G. |
| Subclinical and clinical mastitis on dairy farms in The Netherlands | Schukken, Y. H.; Lam, T. J.; Nielen, M.; Hogeveen, H.; Barkema, H. W.; Grommers, F. J. |
| Retained placenta in Friesian mares | Sevinga, M.; Barkema, H. W.; Hesselink, J. W. |
| 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 | Kalis, C. H.; Barkema, H. W.; Hesselink, J. W.; van Maanen, C.; Collins, M. T. |
| Evaluation of two enzyme-linked immunosorbent assays for detecting Salmonella enterica subsp. enterica Serovar Dublin antibodies in bulk milk | Veling, J.; van Zijderveld, F. G.; van Zijderveld-van Bemmel, A. M.; Schukken, Y. H.; Barkema, H. W. |
| 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 | Veling, J.; van Zijderveld, F. G.; van Zijderveld-van Bemmel, A. M.; Barkema, H. W.; Schukken, Y. H. |
| Associations between somatic cell count patterns and the incidence of clinical mastitis | de Haas, Y.; Barkema, H. W.; Schukken, Y. H.; Veerkamp, R. F. |
| Comparison of performance of dairy herds that were or were not vaccinated with a bovine herpes virus 1 marker vaccine in 1998. | Bartels, C. J.; Barkema, H. W.; Beiboer, M. L.; Bouma, A.; Stegeman, J. A. |
| Recurrent clinical mastitis caused by Escherichia coli in dairy cows | Dopfer, D.; Barkema, H. W.; Lam, T. J.; Schukken, Y. H.; Gaastra, W. |
| Herd health supervision applied to high milk tank cell counts due to Streptococcus agalactiae infection | Loeffler, S. H.; Lam, T. J. G. M.; Barkema, H. W.; Scholten, D.; Hessels, A. L. D.; van Gestel, A. M. |
| Factors influencing the isolation of Mycobacterium avium subsp. paratuberculosis from bovine fecal samples | Kalis, C. H.; Hesselink, J. W.; Russchen, E. W.; Barkema, H. W.; Collins, M. T.; Visser, I. J. |
| Seroprevalence of pestivirus in four species of alpine wild ungulates in the High Valley of Susa, Italy | Olde Riekerink, R. G.; Dominici, A.; Barkema, H. W.; de Smit, A. J. |
| Management practices associated with the incidence rate of clinical mastitis | Barkema, H. W.; Schukken, Y. H.; Lam, T. J.; Beiboer, M. L.; Benedictus, G.; Brand, A. |
| Herd-level diagnosis for Salmonella enterica subsp. enterica serovar Dublin infection in bovine dairy herds | Veling, J.; Barkema, H. W.; van der Schans, J.; van Zijderveld, F.; Verhoeff, J. |
| Natural transmission routes of Neospora caninum between farm dogs and cattle | Dijkstra, T.; Barkema, H. W.; Eysker, M.; Hesselink, J. W.; Wouda, W. |
| Management style and its association with bulk milk somatic cell count and incidence rate of clinical mastitis | Barkema, H. W.; Van der Ploeg, J. D.; Schukken, Y. H.; Lam, T. J.; Benedictus, G.; Brand, A. |
| 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. | Barkema, H. W.; Bartels, C. J.; van Wuijckhuise, L.; Hesselink, J. W.; Holzhauer, M.; Weber, M. F.; Franken, P.; Kock, P. A.; Bruschke, C. J.; Zimmer, G. M. |
| Mastitis following drying up associated with teat wipes contaminated with Pseudomonas aeruginosa | Sol, J.; Barkema, H. W.; Berghege, I. M.; Borst, G. H.; Hoornick, L. J.; Sampimon, O. C. |
| Classification and longitudinal examination of callused teat ends in dairy cows | Neijenhuis, F.; Barkema, H. W.; Hogeveen, H.; Noordhuizen, J. P. |
| Milk production and reproduction during a subclinical bovine herpesvirus 1 infection on a dairy farm | Hage, J. J.; Schukken, Y. H.; Dijkstra, T.; Barkema, H. W.; van Valkengoed, P. H.; Wentink, G. H. |
| Invited Review | Barkema, H. W.; Schukken, Y. H.; Zadoks, R. N. |
| Somatic cell count patterns to improve udder health by genetics and management | de Haas, Y.; Barkema, H. W.; Schukken, Y. H.; de Jong, G.; Veerkamp, R. F. |
| Prevalence and regional distribution of paratuberculosis in dairy herds in The Netherlands | Muskens, J.; Barkema, H. W.; Russchen, E.; van Maanen, K.; Schukken, Y. H.; Bakker, D. |
| In vitro growth inhibition of major mastitis pathogens by Staphylococcus chromogenes originating from teat apices of dairy heifers | De Vliegher, S.; Opsomer, G.; Vanrolleghem, A.; Devriese, L. A.; Sampimon, O. C.; Sol, J.; Barkema, H. W.; Haesebrouck, F.; de Kruif, A. |
| Analysis of an outbreak of Streptococcus uberis mastitis | Zadoks, R. N.; Allore, H. G.; Barkema, H. W.; Sampimon, O. C.; Grohn, Y. T.; Schukken, Y. H. |
| Specificity of two tests for the early diagnosis of bovine paratuberculosis based on cell-mediated immunity | Kalis, C. H.; Collins, M. T.; Hesselink, J. W.; Barkema, H. W. |
| Genetic associations for pathogen-specific clinical mastitis and patterns of peaks in somatic cell count | de Haas, Y.; Barkema, H. W.; Schukken, Y. H.; Veerkamp, R. F. |
| Clinical mastitis on well managed dairy herds | Schukken, Y. H.; Kremer, W. D. J.; Lam, T. G. J. M.; Barkema, H. W.; Lohuis, J. A. C. M. |
| The effect of discontinuation of postmilking teat disinfection in low somatic cell count herds. I. Incidence of clinical mastitis | Lam, T. J.; van Vliet, J. H.; Schukken, Y. H.; Grommers, F. J.; van Velden-Russcher, A.; Barkema, H. W.; Brand, A. |
| THE HERD HEALTH APPROACH OF A HIGH BULK MILK SOMATIC-CELL COUNT CAUSED BY STREPTOCOCCUS-AGALACTIAE | Loeffler, S. H.; Lam, T. J. G. M.; Barkema, H. W.; Scholten, D.; Hessels, A. L. D.; Vangestel, A. M. |
| Evidence of post-natal transmission of Neospora caninum in Dutch dairy herds | Dijkstra, T.; Barkema, H. W.; Eysker, M.; Wouda, W. |
| Sheep do not have a major role in bovine herpesvirus 1 transmission | Hage, J. J.; Vellema, P.; Schukken, Y. H.; Barkema, H. W.; Rijsewijk, F. A.; van Oirschot, J. T.; Wentink, G. H. |
| Effect of inbreeding on the incidence of retained placenta in Friesian horses | Sevinga, M.; Vrijenhoek, T.; Hesselinks, J. W.; Barkema, H. W.; Groen, A. F. |
| The role of cow, pathogen, and treatment regimen in the therapeutic success of bovine Staphylococcus aureus mastitis | Barkema, H. W.; Schukken, Y. H.; Zadoks, R. N. |
| Determination of the excretion time of oxytetracycline and lugol in milk of intrauterine treated cows | Dijkstra, T.; Barkema, H. W.; van Buuren, R. D.; van Spanje, J. G.; Jorritsma, H. |
| Simultaneous intramammary and intranasal inoculation of lactating cows with bovine herpesvirus 4 induce subclinical mastitis | Wellenberg, G. J.; Bruschke, C. J.; Wisselink, H. J.; Barkema, H. W.; Van Oirschot, J. T. |
| Fertility, production and culling following cesarean section in dairy cattle | Barkema, H. W.; Schukken, Y. H.; Guard, C. L.; Brand, A.; van der Weyden, G. C. |
| Cow- and quarter-level risk factors for Streptococcus uberis and Staphylococcus aureus mastitis | Zadoks, R. N.; Allore, H. G.; Barkema, H. W.; Sampimon, O. C.; Wellenberg, G. J.; Grohn, Y. T.; Schukkent, Y. H. |
| Risk factors for clinical mastitis in a random sample of dairy herds from the southern part of The Netherlands | Elbers, A. R.; Miltenburg, J. D.; De Lange, D.; Crauwels, A. P.; Barkema, H. W.; Schukken, Y. H. |
| Genetic parameters for clinical mastitis and traits for somatic cell count based on its lactation curve | de Haas, Y.; Barkema, H. W.; Schukken, Y. H.; Veerkamp, R. F. |
| Population dynamics of bovine herpesvirus 1 infection in a dairy herd | Hage, J. J.; Schukken, Y. H.; Barkema, H. W.; Benedictus, G.; Rijsewijk, F. A.; Wentink, G. H. |
| Mastitis in non-lactating cows, associated with teat wipes contaminated with Pseudomonas aeruginosa | Sol, J.; Barkema, H. W.; Berghege, I. M. J. M.; Borst, G. H. A.; Hoornick, L. J. P.; Sampimon, O. C. |
| Mastitis in heifers | Barkema, H. W. |
| The effect of pathogen-specific clinical mastitis on the lactation curve for somatic cell count | de Haas, Y.; Barkema, H. W.; Veerkamp, R. F. |
| Factors associated with cure after therapy of clinical mastitis caused by Staphylococcus aureus | Sol, J.; Sampimon, O. C.; Barkema, H. W.; Schukken, Y. H. |
| Use of long-term vaccination with a killed vaccine to prevent fecal shedding of Mycobacterium avium subsp paratuberculosis in dairy herds | Kalis, C. H.; Hesselink, J. W.; Barkema, H. W.; Collins, M. T. |
| Description of clinical mastitis in France and in the Netherlands in herds classified according to bulk milk somatic cell counts | Fourichon, C.; Barkema, H. W.; Seegers, H.; Lam, T.; Beaudeau, F. |
| Varying degrees of success with mastitis treatment | Sampimon, I. O.; Sol, J.; Barkema, H. W. |
| Incidence of clinical mastitis in dairy herds in three bulk milk somatic cell count cohorts | Barkema, H. W.; Schukken, Y. H.; Lam, T. J. G. M.; Beiboer, M. L.; Wilmink, H.; Benedictus, G.; Brand, A. |
| Incidence of clinical mastitis in dairy herds grouped in three categories by bulk milk somatic cell counts | Barkema, H. W.; Schukken, Y. H.; Lam, T. J.; Beiboer, M. L.; Wilmink, H.; Benedictus, G.; Brand, A. |
| Quarter-milk somatic cell count at calving and at the first six milkings after calving | Barkema, H. W.; Deluyker, H. A.; Schukken, Y. H.; Lam, T. J. |
| The economics of caesarian section in dairy cattle | Rougoor, C. W.; Dijkhuizen, A. A.; Barkema, H. W.; Schukken, Y. H. |
| A high rate of seroconversion for Neospora caninum in a dairy herd without an obvious increased incidence of abortions | Dijkstra, T.; Barkema, H. W.; Bjorkman, C.; Wouda, W. |
| Associations between pathogen-specific cases of clinical mastitis and somatic cell count patterns | de Haas, Y.; Veerkamp, R. F.; Barkema, H. W.; Grohn, Y. T.; Schukken, Y. H. |
| Serum calcium and magnesium concentrations and the use of a calcium-magnesium-borogluconate solution in the treatment of Friesian mares with retained placenta | Sevinga, M.; Barkema, H. W.; Hesselink, J. W. |
| The dairying veterinary approach to a high bulk milk cell count caused by Streptococcus agalactiae | Loeffler, S. H.; Lam, T. J.; Barkema, H. W.; Scholten, D.; Hessels, A. L.; van Gestel, A. M. |
| Reproductive performance of Friesian mares after retained placenta and manual removal of the placenta | Sevinga, M.; Hesselink, J. W.; Barkema, H. W. |
| Management practices associated with low, medium, and high somatic cell counts in bulk milk | Barkema, H. W.; Schukken, Y. H.; Lam, T. J.; Beiboer, M. L.; Benedictus, G.; Brand, A. |
| Using likelihood ratios to interpret predictability of intramammary infection status | Galligan, D. T.; Barkema, H. W.; Schukken, Y. H.; Lam, T. J. G. M.; Beiboer, M. L.; Brand, A. |
| 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 | Wapenaar, W.; Barkema, H. W.; Schares, G.; Rouvinen-Watt, K.; Zeijlemaker, L.; Poorter, B.; O'Handley, R. M.; Kwok, O. C.; Dubey, J. P. |
| Somatic cell count distributions during lactation predict clinical mastitis | Green, M. J.; Green, L. E.; Schukken, Y. H.; Bradley, A. J.; Peeler, E. J.; Barkema, H. W.; de Haas, Y.; Collis, V. J.; Medley, G. F. |
| Short-term effect of transition from conventional to automated milking on teat skin and teat end condition | De Vliegher, S.; Laevens, H.; Barkema, H. W.; Opsomer, G.; Hemling, T.; de Kruif, A. |
| Certification of herds as free of Mycobacterium paratuberculosis infection | Kalis, C. H.; Collins, M. T.; Barkema, H. W.; Hesselink, J. W. |
| Prepartum teat apex colonization with Staphylococcus chromogenes in dairy heifers is associated with low somatic cell count in early lactation | De Vliegher, S.; Laevens, H.; Devriese, L. A.; Opsomer, G.; Leroy, J. L.; Barkema, H. W.; de Kruif, A. |
| Economic aspects of mastitis management in three cohorts of Dutch dairy farms | Barkema, H. W.; Heeres, A. A.; Dijkhuizen, A. A.; Schukken, Y. H.; Brand, A. |
| Clinical, epidemiological and molecular characteristics of Streptococcus uberis infections in dairy herds | Zadoks, R. N.; Gillespie, B. E.; Barkema, H. W.; Sampimon, O. C.; Oliver, S. P.; Schukken, Y. H. |
| EXCRETION OF INTRAUTERINE APPLIED OXYTETRACYCLINE AND LUGOL IN COWS MILK | Dijkstra, T.; Barkema, H. W.; Vanbuuren, R. D.; Vanspanje, J. G.; Jorritsma, H. |
| Effect of freezing on somatic cell count of quarter milk samples as determined by a Fossomatic electronic cell counter | Barkema, H. W.; Van der Schans, J.; Schukken, Y. H.; De Gee, A. L.; Lam, T. J.; Benedictus, G. |
| Estimation of interdependence among quarters of the bovine udder with subclinical mastitis and implications for analysis | Barkema, H. W.; Schukken, Y. H.; Lam, T. J.; Galligan, D. T.; Beiboer, M. L.; Brand, A. |
| 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 | Wapenaar, Wendela; Barkema, Herman W.; O'Handley, Ryan M.; Bartels, Chris J. M. |
| Exploratory study on the economic value of a closed farming system on Dutch dairy farms | van Schaik, C.; Dijkhuizen, A. A.; Benedictus, G.; Barkema, H. W.; Koole, J. L. |
| Management and herd performance of dairy herds with and without chronic wasting disease. | Bartels, C. J.; Barkema, H. W.; Beiboer, M. L.; Bouma, A.; Stegeman, J. A. |
| Duration of excretion of oxytetracycline and Lugol's iodine solution in milk after infusion into the uterus of cows | Dijkstra, T.; Barkema, H. W.; van Buuren, R. D.; van Spanje, J. G.; Jorritsma, H. |
| Udder health on dairy farms. 1. Results of a longitudinal study on 300 Dutch farms | Barkema, H. W. |
| Udder health on dairy farms. 2. Mastitis prevention programs | Barkema, H. W. |
| A national research network to promote mastitis control in Canada | Scholl, D.; Tomita, G.; Messier, S.; Barkema, H. W.; Lacasse, P.; Zhao, X.; Bouchard, E. |
| Effect of preculture freezing and incubation on bacteriological isolation from subclinical mastitis samples | Sol, J.; Sampimon, O. C.; Hartman, E.; Barkema, H. W. |
| A mathematical model of Staphylococcus aureus control in dairy herds | Zadoks, R. N.; Allore, H. G.; Hagenaars, T. J.; Barkema, H. W.; Schukken, Y. H. |
| 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 | Zadoks, R. N.; van Leeuwen, W. B.; Kreft, D.; Fox, L. K.; Barkema, H. W.; Schukken, Y. H.; 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 | Zadoks, R.; van Leeuwen, W.; Barkema, H. W.; Sampimon, O.; Verbrugh, H.; Schukken, Y. H.; van Belkum, A. |
| Test characteristics from latent-class models of the California Mastitis Test | Sanford, C. J.; Keefe, Gregory P.; Sanchez, J.; Dingwell, R. T.; Barkema, H. W.; Leslie, K. E.; Dohoo, Ian R. |
| Occurrence of Cryptosporidium and Giardia on beef farms and water sources within the vicinity of the farms on Prince Edward Island, Canada | Budu-Amoako, Ebo; Greenwood, Spencer J.; Dixon, Brent R.; Barkema, Herman W.; McClure, J. T. |
| Molecular epidemiology of cryptosporidium and Giardia in humans on Prince Edward Island, Canada | Budu-Amoako, E.; Greenwood, S. J.; Dixon, B. R.; Sweet, L.; Ang, L.; Barkema, H. W.; McClure, J. T. |
| Antimicrobial use on Canadian dairy farms | Saini, V.; , ; Léger, D.; Dufour, S.; , ; , ; , |
| Epidemiology of coagulase-negative staphylococci intramammary infection in dairy cattle and the effect of bacteriological culture misclassification | Dufour, S.; , ; , ; DesCôteaux, L.; , ; , ; , ; , |
| Manageable risk factors associated with the lactational incidence, elimination, and prevalence of Staphylococcus aureus intramammary infections in dairy cows | Dufour, S.; , ; , ; DesCôteaux, L.; , ; , ; , ; , |
| Antimicrobial resistance profiles of common mastitis pathogens on Canadian dairy farms | Saini, V.; , ; Léger, D.; , ; , ; , ; , |