The Wyoming Department of Agriculture is warning ranchers about a devastating threat to animals and people found in Mexico.

The United States has relied on livestock from the country as ranchers struggle to rebuild depleted cattle herds.

APHIS is working with partners in Mexico and Central America to stop the spread of NWS into the United States, the agency ...

On Nov. 22, Mexico's Chief Veterinary Officer informed USDA about a confirmed case of New World screwworm (NWS) in Chiapas, ...