[Prevention of sterility in nursing cows].
D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000517:prevention & control*; D004971:Estrus; D005260:Female; D007247:Infertility, Female / Q000662:veterinary*; D007774:Lactation; D011247:Pregnancy; D013997:Time Factors
Profilaktika besplodiia korov-kormilits.