USDA keeps U.S./Mexico border open despite new case of New World screwworm

February 19, 2025 10:56 AM

A new case of New World screwworm has been detected in Mexico.

The parasitic worm was discovered last week in Mexico’s Tabasco State. However, USDA says that it will not restrict cattle imports from the country after recently lifting its November ban and re-opening the border.

The re-opening came after USDA and Mexico established new protocols for assessing animal health prior to import. USDA says that the new protocol will keep New World screwworms out of the U.S.

Despite the confidence out of USDA, the newly reported case was a major market mover for cattle, with fears of another border shutdown pushing feeder cattle futures at the Chicago Mercantile Exchange yesterday.

Foreign Animal Diseases

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