AUSTIN - On June 3, 2026, the Texas Animal Health Commission(TAHC) received confirmation of a detection of New World screwworm (NWS) in Zavala County. A sample collected from a three-week- old calf with an umbilical lesion was identified and confirmed as NWS by the National Veterinary Services Laboratory (NVSL) in Ames, Iowa. There are currently no further confirmed detections ...