[Reproductive problems in cattle raising in relation to an increase in its productivity and efficiency].
D000822:Animal Husbandry; D000818:Animals; D002417:Cattle / Q000502:physiology*; D004973:Estrus Synchronization / Q000187:drug effects; D005260:Female; D005300:Fertility Agents, Female / Q000008:administration & dosage; D011247:Pregnancy; D011258:Pregnancy Tests / Q000662:veterinary; D012098:Reproduction; D014427:Twins
D005300:Fertility Agents, Female
Niakoi problemi na vuzproizvodstvoto v govedovudstvoto vuv vruzka s povishavane na negovata produktivnost i efektivnost.