[Farm sanitation on a reliable basis].
D000818:Animals; D002004:Brucella Vaccine; D002007:Brucellosis, Bovine / Q000517:prevention & control*; D002417:Cattle; D014611:Vaccination / Q000662:veterinary*
D002004:Brucella Vaccine
Ozdorovleniiu ferm--nadezhnuiu osnovu.