The USDA has confirmed the country’s first case of New World screwworm — the parasitic fly poised to harm the Texas $15 billion cattle industry.
The U.S. Department of Agriculture tested a sample from La Pryor in Zavala County at the its National Veterinary Services Laboratories in Ames, lA, confirming the infestation, Agriculture Secretary Brooke Rollins said during a press conference. The infested animal is a three-week old calf, and there have been no other detections so far.