Bovine leukemia virus infection in a large Holstein herd: cohort analysis of the prevalence of antibody-positive cows.
D000818:Animals; D000914:Antibodies, Viral / Q000032:analysis*; D002417:Cattle; D002418:Cattle Diseases / Q000453:epidemiology* / Q000276:immunology; D005260:Female; D005779:Immunodiffusion; D007938:Leukemia / Q000453:epidemiology / Q000276:immunology / Q000662:veterinary*; D001909:Leukemia Virus, Bovine / Q000276:immunology*; D012190:Retroviridae / Q000276:immunology*
D000914:Antibodies, Viral