
Cattle group urges approval of ivermectin feed-through to prevent screwworm outbreak
Wednesday, June 11, 2025 • 2 PM
In a formal letter to the U.S. Food and Drug Administration’s Center for Veterinary Medicine (CVM), R-CALF USA’s Animal Health Committee called for swift approval to add ivermectin as an oral feed-through in livestock and wildlife feeds as a precaution against the potential introduction of New World Screwworm (NWS).