Dossier
Screwworm monitoring program
Coverage of Screwworm monitoring program in the Nexus archive.
- The flesh-eating pest that once cost ranchers millions is back
The New World screwworm, eradicated from U.S. cattle since 1966, has resurfaced in Texas and New Mexico, infecting three calves, a goat, and a dog. Canada has restricted U.S. cattle imports, and the Trump Administration and Elon Musk cut funding for a national monitoring program in 2025, raising concerns about a potential outbreak impacting the beef industry.