U.S. Secretary of Agriculture Brooke L. Rollins this morning launched an $8.5 million sterile New World screwworm (NWS) fly dispersal facility in South Texas and announced a sweeping five-pronged plan (PDF, 434 KB) to enhance USDA’s already robust ability to detect, control, and eliminate this pest. These urgent actions are necessary to finish the fight against NWS and protect the United States.
NWS is a devastating pest that causes serious and often deadly damage to livestock, wildlife, pets, and in rare cases, humans. While NWS has been eradicated from the United States for decades, recent detections in Mexico as far north as Oaxaca and Veracruz, about 700 miles away from the U.S. border, led to the immediate suspension of live cattle, horse, and bison imports through U.S. ports of entry along the southern border on May 11, 2025.
“The United States has defeated NWS before and we will do it again,” said Secretary Rollins. “We do not take lightly the threat NWS poses to our livestock industry, our economy, and our food supply chain. The United States government will use all resources at its disposal to push back NWS, and today’s announcement of a domestic strategy to bolster our border defenses is just the beginning. We have the proven tools, strong domestic and international partnerships, and the grit needed to win this battle.”
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