J. Anim Sci.
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J. Anim Sci. 1960. 19:1036-1040.
© 1960 American Society of Animal Science
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Measurement of and Ways of Affecting Sex-Influenced Performance of Growing-Finishing Swine1

V. R. Cahill, H. S. Teague, L. E. Kunkle, A. L. Moxon and E. A. Rutledge2, 3,

Ohio Agricultural Experiment Station, Wooster, Ohio

Abstract

These trials have indicated that gilt carcasses tend to be leaner than barrow carcasses and that boar carcasses are leaner than either barrow or gilt carcasses. As the hogs grow beyond 150 lb., these differences become more pronounced. Stilbestrol ear implants of either 1.5 mg., 3 mg. or 6 mg. at 150 lb. had minor effects on growth rate and feed utilization. A positive trend existed between amount of stilbestrol implanted and both size of Longissimus dorsi and percent of primal cuts.

Footnotes

1 Published with the approval of the Associate Director as Journal Article No. 10–60.

2 Present address: International Milling Co., Des Moines, Iowa.

3 The authors gratefully acknowledge the assistance of C. R. Weaver, Station Statistician, for his assistance with the statistical analysis.






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Copyright © 1960 by the American Society of Animal Science.