USDA shuts down southern border ports again to livestock imports from Mexico
- ZISK

- Jul 14
- 1 min read

U.S. Ag Secretary Brooke Rollins has again closed southern border ports to livestock imports from Mexico following a new detection of New World screwworm.
Colin Woodall, CEO of the National Cattlemen’s Beef Association, says the USDA has been monitoring conditions on the ground, and the decision was made to protect American agriculture. “A new case that is further north in the state of Veracruz,” he says. “Which means that the New World screwworm flies are continuing their northward incursion, and so that is what she needed to make the decision to shut down the ports.”
The latest case was reported 160 miles north of the current sterile fly dispersal grid and is just 370 miles south of the U.S./Mexico border.
July 10, 2025
By Meghan Grebner








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