J. Anim Sci.
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J. Anim Sci. 1979. 48:52-53.
© 1979 American Society of Animal Science
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Fertility in Ewes Receiving Low Doses of Estradiol during Synchronized Estrus1

E. K. Inskeep, L. P. Stevens and C. R. Rudy

West Virginia University, Morgantown 26506

Abstract

Two experiments were conducted to test whether exogenous estradiol given during an estrus synchronized by intravaginal treatment with progestogen would alter conception rate or prolificacy in Western and Dorset x Western ewes. In 126 ewes mated naturally and 93 ewes inseminated artificially, treatment of one-half of the ewes with a total dose of 30 µg estradiol-17β had no effect on conception rate, prolificacy or lambing rate.

Footnotes

1 Published with the approval of the Director of the West Virginia Agricultural and Forestry Experiment Station as Scientific Paper No. 1544 from the Division of Animal and Veterinary Sciences. This work was carried out at Reymann Memorial Farms, Wardensville,WV.






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Copyright © 1979 by the American Society of Animal Science.