[On prevention of sterility in stud bulls].
D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000517:prevention & control*; D007248:Infertility, Male / Q000517:prevention & control / Q000662:veterinary*; D008297:Male; D005082:Physical Exertion
K profilaktike besplodiia bykov-proizvoditeleĭ.