Age at first insemination and conception of three different breeds of Indian milch cattle and various strains of Zebu X Taurus cattle.
D000367:Age Factors; D000818:Animals; D001947:Breeding; D002417:Cattle / Q000502:physiology*; D005260:Female; D005306:Fertilization; D007194:India; D007314:Insemination; D011247:Pregnancy