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Journal of Dairy Science Vol. 43 No. 12 1833-1837
© 1960 by American Dairy Science Association ®
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Evidence Concerning the Origin of Androgenic Activity in Female Bovine Feces

C. E. Lueker1, E. M. Butterworth2 and A. R. Schulz3

Department of Animal Husbandry, University of California, Davis

ABSTRACT

An investigation has been conducted to study the source and formation of the androgenic activity of the incubated cow feces. The results indicate that the androgenic activity is dependent upon the presence of two factors: (1) an androgen precursor which is present only in cow feces, and (2) microbial activity which is present both in bull and in cow feces. Apparently, progesterone can serve as a precursor of the androgenic substance.

FOOTNOTES

1 Present address: University of Arkansas Extension Service, Little Rock, Arkansas.

2 Present address: Pacific Yeast Products Company, Bakersfield, California.

3 Present address: Department of Biochemistry, Oklahoma State University, Stillwater, Oklahoma.






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Copyright © 1960 by the American Dairy Science Association ®.