New World screwworm confirmed in U.S. by USDA
A New World screwworm has been detected in a 3-week-old calf in Zavala County, Texas, the U.S. Department of Agriculture’s Animal and Plant Health Inspection Service said Wednesday. New World screwworm larvae “burrow into the flesh of living animals, causing serious damage to livestock and economic losses,” the USDA noted in a press statement about…