Evaluation of reproductive performance in Torki-ghashghaie does using different protocols of estrus synchronization and artificial insemination during non-breeding season

This study was done to determine the most efficient estrus synchronization method for fixed timed artificial insemination of Torki-ghashghaie does during the non-breeding season. Treatment groups were: 1) CIDR; the animals were treated with intravaginal devices impregnated with 0.3 g of progesterone for 16 days. 2) Treatment 1 and IM injection of 400 IU eCG in CIDR removal. 3) Sponge; the does were treated with sponge impregnated with 40 mg flugestone acetate for 16 days. 4) Treatment 3 and IM injection of 400 IU eCG in sponge removal. 5) Implant; 1.5 mg norgestomet implant was inserted in subcutaneous ear for 10 days and injected IM with 1.5 mg norgestomet and 2.5 mg estradiul valerate in first day. 6) Treatment 5 and IM injection of 400 IU eCG in implant removal. 7) Two IM injection of 10 mg PGF2α eCG with 10 days interval and 8) Treatment 7 and IM injection of 400 IU eCG in tenth day. The injection of eCG was not effective on estrus response in progestagens base treatments, but increased significantly (p