According to the U.S. Department of Agriculture, unlike common maggots that feed only on dead flesh, screwworm larvae tear ...
Texas has established a 12-mile quarantine zone around a calf that was infested by a New World screwworm in La Pryor.
The moment Texas cattle ranchers have feared for a while is here: The screwworm parasite has moved across the border from ...
The blood-sucking parasite has affected tens of thousands of cattle south of the border, which has been closed to the ...
The screwworm is believed to have travelled from Central America to Mexico before being found in the calf in Texas, ...
More than 1,200 cases of New World screwworm were reported in Mexico during the month of May, with the latest confirmed case ...