The incidence of Brucella ovis infection in South African rams: a serological survey.
D000188:Actinobacillus / Q000276:immunology; D000818:Animals; D002002:Brucella / Q000276:immunology; D002003:Brucella abortus / Q000276:immunology; D002006:Brucellosis / Q000453:epidemiology / Q000276:immunology / Q000662:veterinary*; D003168:Complement Fixation Tests; D003429:Cross Reactions; D008297:Male; D012756:Sheep; D012757:Sheep Diseases / Q000453:epidemiology* / Q000276:immunology; D013019:South Africa; D014611:Vaccination / Q000662:veterinary