Beta-agonists, Zilmax and Optaflexx, and Cattle: How Targeted Use Results in Leaner Beef
Factsaboutbeef.com
Cattle farmers use these feed additives in targeted ways, only adding small amounts to the animals’ feed at a specific time in their lives. They are metabolized quickly by cattle so they are not stored in the body over time. Beta-agonists are approved for use in the United States, Canada, Australia and two dozen other countries across the developed world.