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Mexico resumes limited cattle exports to US after screwworm pause, relieving ranchers
The phased reopening allows about 700 cattle a day under radio-frequency identification tagging, inspections and sterile-fly controls as officials try to limit screwworm spread.
On Monday, the U.S. Department of Agriculture resumed importing Mexican cattle through the Agua Prieta, Sonora, border crossing, allowing up to 750 head per day to enter Douglas, Ariz., after a year-long suspension.
Trade was suspended mid-2025 because of the New World screwworm, a flesh-eating parasite that triggered emergency protocols in northern Mexico; USDA officials recently designated Sonora and Chihuahua as lowest-risk states for the pest.
U.S. officials implemented strict safety measures for the reopening, including radio-frequency identification tags for traceability and specialized insecticide dipping vats, to ensure animals entering the country remain free of screwworm infections.
Agriculture Secretary Brooke Rollins stated the resumption aims to address high beef prices, which rose more than 10% in July as the U.S. cattle herd remains at its lowest level in 75 years.
If initial imports proceed safely, the USDA plans to expand shipments to Santa Teresa and Columbus, New Mexico, while increasing capacity from 750 head to 1,300 per day in the following weeks.