Reciprocal embryo transfer between repeat breeder and virgin heifers--an experimental model.
D000818:Animals; D002417:Cattle / Q000502:physiology*; D002418:Cattle Diseases / Q000453:epidemiology*; D004624:Embryo Transfer / Q000662:veterinary*; D004973:Estrus Synchronization; D005260:Female; D005313:Fetal Death / Q000453:epidemiology / Q000662:veterinary*; D007315:Insemination, Artificial / Q000662:veterinary*; D010298:Parity; D011247:Pregnancy