J. Anim Sci.
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J. Anim Sci. 1955. 14:475-481.
© 1955 American Society of Animal Science
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The Effect of Orally Administered Stilbestrol and Testosterone on Growth and Carcass Composition of Swine1

W. M. Beeson, F. N. Andrews, T. W. Perry and Martin Stob

Purdue University Agricultural Experiment Station

Abstract

Conclusions: Methyl testosterone, at a level of 20 mg. per animal daily, or diethylstilbestrol, at a level of 2 mg. per animal daily, was fed both with and without terramycin in a practical ration to growing and fattening pigs in drylot. The oral administration of these hormones did not improve growth rate or feed efficiency.

The feeding of stilbestrol produced clear-cut mammary stimulation in both males and females and enlargement and congestion of the vulva in the female.

Footnotes

1 Contribution from the Department of Animal Husbandry, Journal Paper No. 834. Purdue University Agricultural Experiment Station, Lafayette, Indiana.






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