Superovulation was conducted in 48 individuals of the Taihang goats and synchronized estrus was induced by associated hormones and CIDR methods in 40 individuals of the Boer goats and 120 individuals of the Tangshan milk goats.

• 对48只太行山羊(供体羊)、40只布尔山羊和120只唐山奶山羊(受体羊)进行了同期发情、超数排卵和胚胎移植试验.