The results showed as follows:1)It was applied synchronized estrus in Boer goats and Tangshan milk goats to the CIDR+PMSG and CIDR+FSH groups respectively,which the percentage of effective estrus is 75% and 73% respectively.

• 试验结果表明:CIDR+PMSG组对布尔山羊同期发情,有效发情率为75%25; CIDR+FSH组对唐山奶山羊同期发情,有效发情率为73%25;