Current knowledge on the environmental fate, potential impact, and management of growth-promoting steroids used in the US beef cattle industry

Common Growth-Promoting Steroids Used by the Beef Cattle Industry and their Effects on Cattle PerformanceThe first synthetic growth promotant approved for beef cattle production was diethylstilbestrol in 1954.It was banned in 1979 for use in beef cattle after being identified as a carcinogen (Raun and Preston 1997).Since then, the US Food and Drug Administration (FDA) has approved 3 single