Study: Cattle hormones more environmentally damaging than previously thought

Nick Fetty | May 14, 2015 Hormones used to beef up cattle could be causing more environmental damage than once thought, according to a recent study in the journal Nature Communications. The study - which was co-authored by University of Iowa environmental engineering professor David Cwiertny - found hormones associated with cattle production "persist in the environment at higher concentrations and for…

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