Beefy hormones: New routes of exposure
Editor’s note: Stories of this ilk are included in the blog to inform those in our industry how agriculture is being presented to and perceived by the public.
On any given day, some 750,000 U.S feedlots are beefing up between 11 million and 14 million head of cattle. The vast majority of these animals will receive muscle-building steroids — hormones they will eventually excrete into the environment. But traditional notions about where those biologically active pollutants end up may need substantial revising, several new studies find.