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

Hashemi, Majid; Safdarian, Mazaher; Hashemi, Mohammad Reza; Norollahi, Hossein; Agah, Mohammad Javad

doi:10.22092/asj.2017.109763.1412

Document Type : Research Paper

Authors

¹ Fars Agriculture and Natural Resource Research Center

² Assistant Professor, Animal Science Research Department, Fars Agricultural and Natural Resources Research and Education Center, Agricultural Research, Education and Extension Organization (AREEO), Shiraz, Iran.

³ Researcher, Animal Science Research Department, Fars Agricultural and Natural Resources Research and Education Center, Agricultural Research, Education and Extension Organization (AREEO), Shiraz, Iran.

⁴ Assistant Professor, Department of Animal Science, Fars Research center for Agriculture and Natural Resources, Shiraz, Iran

https://doi.org/10.22092/asj.2017.109763.1412

Abstract

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<0.05) fertility, kidding, fecundity and prolificacy rate in same treatments. The estrus response was the lowest in treatment 7 and it was significantly (p<0.05) lower in implant than CIDR and sponge with eCG injection. Finally it can be concluded that estrous synchronization with CIDR with eCG injection in Torki-ghashghaie ecotype does was superior under local conditions for fixed time artificial insemination.

Keywords

References

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Research Journal of Livestock Science

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

References

References

Volume 31, Issue 118
June 2018
Pages 15-22

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

References

References

Volume 31, Issue 118June 2018Pages 15-22

Volume 31, Issue 118
June 2018
Pages 15-22