title: Probable horizontal spread of bovine leucosis virus not followed by secondary disease outbreaks.
mesh_terms: D000003:Abattoirs; D000818:Animals; D000914:Antibodies, Viral / Q000032:analysis; D002417:Cattle; D002418:Cattle Diseases / Q000453:epidemiology / Q000635:transmission*; D005779:Immunodiffusion; D007938:Leukemia / Q000453:epidemiology / Q000635:transmission / Q000662:veterinary*; D001909:Leukemia Virus, Bovine / Q000276:immunology; D013548:Sweden
chemical_list: D000914:Antibodies, Viral