Texas detects New World screwworm in calf, triggers containment response
A New World screwworm was detected in a three-week-old calf in Zavala County, Texas, with larvae found in the umbilical area; there are no additional detections at this time. USDA APHIS and Texas officials have launched containment and eradication efforts, including a 20-kilometer infested zone, quarantines, movement controls, and enhanced surveillance to protect livestock and prevent economic losses.