Effect of Cortisone Acetate on Steers

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Abstract
Yearling Hereford steers were injected subcutaneously with 1 gm. of cortisone acetate three times weekly during the last 9 weeks of a 12-week feeding trial. Treated steers ate more feed and produced carcasses that were lower in specific gravity and higher in energy value compared to controls. Control steers produced more live weight and carcass weight per unit of feed consumed. From estimations of carcass composition, treated steers appeared to have synthesized more fat and less protein than control steers; however, total gain in energy seemed not significantly greater. Other observations were thinner, lighterweight hides and denser metacarpals in the treated animals. Neither carcass grade nor marbling score were significantly influenced by cortisone. Copyright © 1963. American Society of Animal Science . Copyright 1963 by American Society of Animal Science