To stop a flesh-eating cattle parasite in Mexico from crossing the border, the U.S. will build a $750 million factory that breeds sterile flies

fortune.com/2025/08/16/flesh-eating-cattle-parasite-mexico-new-world-screwworm-maggot-sterile-flies

The U.S. plans to build a $750 million factory in southern Texas to breed billions of sterile flies, ramping up its efforts to keep flesh-eating maggots in Mexico from crossing the border and damaging the American cattle industry.
Secretary Brooke Rollins announced Friday that the U.S.…

This story appeared on fortune.com, 2025-08-16 14:28:34.
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