date:Feb 28, 2013
Merck scientists have introduced a new drug to the meat industry - Zilmax. This drug bulks up cattle in the last few weeks of their lives, bringing in more revenue for feedlot owners. Four major meat companies now use Zilmax, including Tyson Foods, JBS SA, Cargill, and National Beef Packing Co. Reportedly, Cargill resisted Zilmax for years, but finally got on board to keep up with the market.
Recycling the drug
Zilmax was once called Zilpaterol and was used to treat asthma in humans. The drug