New World Screwworm outbreak in Mexico halts US livestock imports amid threat
A threat to American livestock – the New World Screwworm (NWS) fly, which has been considered eradicated from…
U.S. halts cattle imports from Mexico, citing screwworm spread : NPR
The New World screwworm is endemic in parts of Latin America and the Caribbean — and its northward…
US ranchers warn of screwworm threat as Mexico relents under USDA pressure
The nation’s top cattle industry leader sounded the alarm Tuesday that a flesh-eating fly infestation advancing through Mexico…