J. Anim Sci.
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J. Anim Sci. 1982. 54:150-154.
© 1982 American Society of Animal Science
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Local Effects of PGF2{alpha} and Embryonic Extracts on Luteal Function in Swine1

G. D. Ball2 and B. N. Day

University of Missouri3, Columbia 65211

Abstract

Individual corpora lutea (CL) from 10 gilts were assigned to seven treatment groups. Corpora lutea assigned to group 1 were unimplanted, while those in groups 2 through 7 were given implants congealed with saline, prostaglandin F2{alpha} (PGF2{alpha}) vehicle, PGF2{alpha}, PGF2{alpha} and untreated embryonic extracts, PGF2{alpha} and heated embryonic extracts or PGF2{alpha} and charcoal-adsorbed embryonic extracts, respectively. Individual CL implanted with PGF2{alpha} alone had a lower (P<.05) mean weight and progesterone concentratiop than CL in all other treatment groups except those treated with PGF2{alpha} and charcoal-adsorbed embryonic extracts. Untreated and heat-treated embryonic extracts prevented the reduction in luteal weight and progesterone concentration induced by PGF2{alpha} treatment.

Key Words: Swine • Corpora Lutea • Prostaglandin F2{alpha}

Footnotes

1 Contribution from the Missouri Agr. Exp. Sta. Journal Series No, 8635. Approved by the Director.

2 Present address; Meat and Anim. Sci. Dept., Univ. of Wisconsin, Madison 53706.

3 Dept, of Anim, Sci.






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Copyright © 1982 by the American Society of Animal Science.