Chihuahua

A view of the larval growth area during a media tour following the opening of a sterile fly production plant, a key step to contain the cross-border spread of the New World screwworm and its impact on cattle trade, in Metapa de Dominguez, Chiapas, Mexico, June 27, 2026. (PHOTO: REUTERS/Damian Sanchez)
Aug 24, 2026

As US border reopens to Mexican cattle, concerns persist over screwworm spread

Mexico boosts screwworm containment in Sonora and Chihuahua as the U.S. resumes cattle imports through Arizona amid ongoing parasite risks.


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