UPDATE: US Again Halts Imports of Mexican Cattle
MEXICO, JUL 11 – The USDA closed southern border ports after a New World Screwworm case in Veracruz, disrupting trade and threatening livestock health, with phased reopening delayed past July 7, 2025.
- The United States re-closed its southern border to Mexican livestock imports on July 11, 2025, after a new New World screwworm case was confirmed in Veracruz, Mexico.
- The closure followed detection of the screwworm fly about 370 miles south of the U.S. border, raising concerns about its northward movement threatening American agriculture.
- The New World screwworm lays eggs directly into wounds on animals; its larvae feed on living tissue and if untreated can kill the animals.
- Mexican President Claudia Sheinbaum criticized the border closure as exaggerated, stressed Mexico follows scientific protocols, and expressed hope for a rapid reopening.
- The closure halted Mexican cattle imports, affecting the livestock industry and complicating trade amid a looming U.S. antidumping duty on Mexican tomatoes set for July 14.
24 Articles
24 Articles


Mexican President Claudia Sheinbaum considered Thursday “totally exaggerated” the decision taken by the United States on the eve of once again suspending the entry of Mexican cattle before the detection of a case of the sweeper worm in the southeastern part of the country, and said she hopes that exports will be reactivated very soon.
U.S. again halts cattle imports from Mexico over flesh-eating screwworms
The flesh-eating livestock pest New World screwworm has advanced closer to the U.S. border with Mexico, the U.S. Department of Agriculture said, prompting Washington to block imports of Mexican cattle just days after it allowed them to resume at a…
The decision of the United States to close the border to cattle again in the face of an outbreak of sweeping worms located in southern Mexico – without taking measures of regionalization – deepens the economic damage in the sector, where the losses already amount to 400 million dollars in 2025 alone, warned the Agricultural Markets Consultant Group (GCMA).
USDA shuts down cattle entry as New World Screwworm spreads
The town of Douglas was selected as the first location along the southern border for Mexican cattle to re-enter the U.S. However, the U.S. Department of Agriculture announced a resurgence of the New World Screwworm in Veracruz, Mexico, prompting a…
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