UPDATE: US Again Halts Imports of Mexican Cattle
MEXICO, JUL 11 – USDA halted imports after a new screwworm case appeared 370 miles from the U.S. border, jeopardizing livestock safety and disrupting phased port reopenings, officials said.
- Following Senasica’s report of a new case of New World Screwworm in Ixhuatlán de Madero, Veracruz, 370 miles from the U.S. border, the USDA said that Secretary Rollins ordered an immediate halt to livestock imports through southern ports.
- Historical context shows screwworms were eradicated from the U.S. in the 1960s, following outbreaks in Oaxaca and Veracruz that prompted a May 11, 2025, closure, and screwworms were eradicated from the U.S. in the 1960s through sterile fly releases.
- The parasite’s larvae attack warm-blooded animals, often causing serious injury and death if left untreated.
- Mexican President Claudia Sheinbaum called the border closure `exaggerated`, while the Mexican Beef Producers Association said it regretted the halt and noted sterile fly release efforts.
- The USDA’s Bold Plan calls for boosting eradication in Mexico, increasing preparedness and constructing a sterile fly facility at Moore Air Base in Mission, Texas, and the agency will continue site visits across Mexico with border states to verify containment protocols.
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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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