2026-07-09http://hdl.handle.net/123456789/569610The Food and Drug Administration recently approved the feeding of Zilmax(R) for cattle in the United States. This study determines direct net return benefits for early-adopting cattle feeders and beef packers. In addition, longer-run producer and consumer surplus measures are estimated as adoption impacts market prices and quantities. After markets adjust, cow-calf producers, cattle feeders, and consumers will gain from adopting the new technology.Text