J. Anim Sci.
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J. Anim Sci. 1942. 1:111-115.
© 1942 American Society of Animal Science
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The Effect of Sex on the Development of the Pig. II. Urinary Excretion of Androgens by Boars of Different Lines of Breeding1

W. W. Green, L. M. Winters, J. R. Rash, Jr. and D. L. Dailey2

University of Minnesota

Abstract

  1. Androgenic substances have been found in boar urine.
  2. These substances may be assayed by the usual capon comb growth technic or by colorimetric methods.
  3. A correlation coefficient of 0.8 (P < 01) was found between these two assay methods.
  4. Boar urine also contains estrogenic substances.
  5. Variations were found in the amount of androgen excreted by different individuals and by boars of different lines of breeding.

Footnotes

1 Paper No. 1939, Scientific Journal Series of the Minnesota Agricultural Experiment Station in cooperation with the Regional Swine Breeding Laboratory, Ames, Iowa, Bureau of Animal Industry, U. S. Department of Agriculture.

2 Assistance in the preparation of this material was furnished by the personnel on W.P.A. Official Project No. 165-1-71-124, Subproject 495, sponsored by the University of Minnesota in 1941.






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Copyright © 1942 by the American Society of Animal Science.