The effect of spaying and feeding Stilbestrol on the performance of heifer calves on wintering (high roughage) rations.

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The effect of spaying and feeding Stilbestrol on the performance of heifer calves on wintering (high roughage) rations.

Smith, E.F.; Richardson, D.; Koch, B.A.; Cox, R.F.; Stitt, W.E.
Spaying is the act of removing the ovaries, which are the primary

source of the estrogenic hormones. Stilbestrol is a. synthetic compound

resembling these estrogenic hormones in its physiological action. Experimental

evidence indicates that spaying lowers the rate of gain.

whereas stilbestrol has been successfully used in increasing rate of gain

in fattening yearling steers. This test is a study of the effect of: 1.

spaying, 2. spaying plus stilbestrol. 3. nonspaying, and 4. nonspaying

plus stilbestrol, on the performance of heifer calves on a high roughage

ration.

Keywords: Beef; Stilbestrol; Performance; Heifers; High roughage
Conference: 43rd Annual Livestock Feeders’ Day. Kansas State University, Manhattan, KS, May 5, 1956
Starting Page: 46, Ending Page: 48
Publisher: Kansas Agricultural Experiment Station
Date: 1956
Conference paper
Record URL: http://hdl.handle.net/2097/12490
 

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