Bovine leukemia virus infection and mastitis.
D000818:Animals; D002417:Cattle; D002418:Cattle Diseases; D005260:Female; D007938:Leukemia / Q000150:complications / Q000662:veterinary*; D001909:Leukemia Virus, Bovine; D008414:Mastitis, Bovine / Q000150:complications*; D013203:Staphylococcal Infections / Q000150:complications / Q000662:veterinary; D013290:Streptococcal Infections / Q000150:complications / Q000662:veterinary