New screwworm case detected in Mexico  | Western Livestock Journal
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New screwworm case detected in Mexico 

WLJ
Feb. 20, 2025 1 minute read
New screwworm case detected in Mexico 

New World screwworm

USDA APHIS

The USDA will not reinstate restrictions on cattle imports from Mexico despite the recent detection of New World screwworm in a cow south of the border, Reuters reported.

The World Organization for Animal Health confirmed a case in Mexico’s Tabasco state in mid-February. Previously, the USDA imposed a live cattle import ban in November but lifted it Feb. 1 under new protocols to assess animal health before entry into the U.S.

In response to concerns about further restrictions, the USDA said its “comprehensive pre-clearance inspection and treatment protocol” ensures the safe movement of cattle and bison while mitigating the screwworm threat. 

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