The threat of an invasive screw worm species could be harmful to pets and wildlife. Experts are urging residents to say alert for the New World screwworm, an aggressive fly whose maggots feed on ...

The New World Screwworm (NWS), a serious livestock pest .....to the southern border. In response, R-CALF USA is calling on the federal ...

Flesh-eating parasite nears U.S. border, halts livestock trade with Mexico amid rising fears of outbreak and threats to U.S. agriculture.