[An inferior feed ration--a cause of sterility in cows].
D000824:Animal Nutritional Physiological Phenomena; D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000209:etiology*; D002582:Cervix Mucus; D005260:Female; D007247:Infertility, Female / Q000662:veterinary*; D011247:Pregnancy
Nepolnotsennyĭ ratsion--prichina besplodiia korov.