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USDA to Open New Screwworm-Fighting Facility in Mexico

The facility enhances screwworm control in northeastern Mexico by enabling aerial release of sterile flies, supporting production of 100 million flies weekly, USDA said.

  • USDA announced the opening of a sterile fly dispersal facility in Tampico to facilitate aerial releases across northeastern Mexico, including Nuevo Leon.
  • Two detections in Nuevo Leon on September 20 and October 5 highlighted the risk near the border; Mexico confirms mostly southern cases with no northward expansion over recent months, USDA and SENASICA coordinate.
  • USDA currently disperses 100 million sterile flies per week in Mexico using aerial dispersal and ground release chambers, with aerial operations preferred for steady coverage and hard-to-reach terrain.
  • U.S. Secretary of Agriculture Brooke L. Rollins said the Tampico site boosts responsiveness in northern Mexico, while Sid Miller, Texas Agriculture Commissioner, praised it as vital for animal health and the U.S.-Mexico trade relationship.
  • USDA is expediting a southern Texas production facility with capacity of 300 million sterile flies per week and supporting a Moore Air Base site projected to operate in early 2026.
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USDA opens sterile fly dispersal facility in Mexico

The program is used to combat New World screwworm, a global health threat.

In what he considered “a new milestone in the fight against the New World Sweepworm (NWS),” the United States Department of Agriculture (USDA) announced the opening of a sterile fly dispersion facility in Tampico, Tamaulipas.

The U.S. government will disperse millions of sterile flies throughout northeastern Mexico in order to combat the impact caused by the sweeper worm on Mexican cattle. To this end, the U.S. Department of Agriculture (USDA) confirmed the launch of a dispersal facility for these insects in Tampico port, Tamaulipas, a strategic region to curb the spread of the insect in livestock areas in the northeast. In a statement released by the dependency, it …

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Southeast AgNET broke the news in on Thursday, November 13, 2025.
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