Industry Response Following New World Screwworm Detection in Texas
On June 3, 2026, the US Department of Agriculture’s Animal and Plant Health Inspection Service (APHIS) confirmed a case of New World Screwworm (NWS) in a 3-week-old calf in Zavala County, Texas, the first confirmed US case in decades, prompting responses from government and industry groups.
The larvae were detected in the calf's umbilical area. As of now, no additional cases have been reported.
NWS is a destructive pest that can infest livestock, pets, wildlife, and, in rare cases, humans. The larvae feed on living tissue, causing...
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