A domesticated horse near Pearce with no travel history is Arizona’s sixth confirmed New World screwworm case, prompting a new 12.4-mile infested zone, state officials said.
The Arizona Department of Agriculture confirmed two new New World screwworm cases near Duncan and set up a new infested zone in Greenlee County.
Owners in a 12.4-mile zone near Hereford cannot move livestock or pets out without a state vet check.
Federal officials confirmed New World screwworm in a dog in Cochise County and set up a 20-kilometer infested zone.
The USDA is stepping up surveillance in Pecos County and asking hunters to watch for infested wounds.