[Buck-19 vaccination of cows in brucellosis-reactivity farms].
D000818:Animals; D002007:Brucellosis, Bovine / Q000517:prevention & control*; D002417:Cattle; D002418:Cattle Diseases / Q000517:prevention & control*; D005260:Female; D007110:Immunity, Active; D014611:Vaccination / Q000662:veterinary*
Buck-19-Impfung von Kühen in Reagentennutzungsbetrieben.