The Influence of the Oral Administration of Diethylstilbestrol on Certain Carcass Characteristics of Beef Cattle
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Date
1956-08
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Journal of Animal Science Vol.15 No.3 August 1956
Abstract
Four investigations were made on 92 beef cattle in an attempt to determine whether orally administered diethylstilbestrol had any influence on carcass characteristics. The data failed to provide evidence that the feeding of diethylstilbestrol had any consistent influence on carcass characteristics as measured by carcass weight, grade, the fat, lean and bone content of the 9-10-11 rib cut, the area of the cross section of the longissimus dorsin muscle and thickness of fat over the rib-eye muscle. The variations in average daily gains of animals regardless of ration treatment were more consistently associated with differences among a number of carcass characteristics. The correlation coefficients of carcass characteristics within lots with rate of gain were higher than those for carcass characteristics with level of diethylstilbestrol fed. The large differences observed among the various carcass attributes, while probably in part the consequence of nutritional treatments, appear to be related to some degree to inherent biological differences among animals which served as experimental subjects for these studies.