US confirms screwworm in Texas calf, first livestock case in decades (opens in new tab)

The U.S. Department of Agriculture confirmed New World screwworm larvae in a 3-week-old calf in La Pryor, Texas, about 50 miles from the U.S.-Mexico border, marking Texas' first confirmed case since 1966 and the first U.S. livestock case in decades. Agriculture Secretary Brooke Rollins said no other U.S. detections had been found, and Texas State Veterinarian Bud Dinges established a 12-mile, or 20-kilometer, quarantine zone restricting movement of warm-blooded animals, including pets, withou...