Research by an Indiana University environmental scientist and colleagues
at universities in Iowa and Washington finds that potentially harmful
growth-promoting hormones used in beef production are expected to
persist in the environment at higher concentrations and for longer
durations than previously thought.
The study focuses on the environmental fate of trenbolone acetate, or TBA, a highly potent synthetic analogue of testosterone, used to promote weight gain in beef cattle. A majority of beef cattle produced in the U.S. are treated with TBA or one of five other growth hormones approved for use in animal agriculture.
The compound and its byproducts are examples of contaminants of emerging concern called endocrine disruptors. In the environment they are capable of interfering with reproductive processes and behaviors in fish and other aquatic life.
at universities in Iowa and Washington finds that potentially harmful
growth-promoting hormones used in beef production are expected to
persist in the environment at higher concentrations and for longer
durations than previously thought.
The study focuses on the environmental fate of trenbolone acetate, or TBA, a highly potent synthetic analogue of testosterone, used to promote weight gain in beef cattle. A majority of beef cattle produced in the U.S. are treated with TBA or one of five other growth hormones approved for use in animal agriculture.
The compound and its byproducts are examples of contaminants of emerging concern called endocrine disruptors. In the environment they are capable of interfering with reproductive processes and behaviors in fish and other aquatic life.
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