DALLAS (NewsNation) — The U.S. Department of Agriculture has confirmed at least 12 cases of the New World screwworm, including one case in a pet dog in New Mexico.
The remaining cases involve cattle and other livestock in Texas, raising concerns the parasite is spreading to new areas of the states.
As the number of confirmed cases grow, so does the concern among ranchers and agriculture officials. Cattle ranchers in Texas and across the nation are preparing for the possibility of the parasitic fly spreading farther north…