Even though the U.S. eradicated the flesh-eating parasite the New World Screwworm six decades ago, its survival to the south ...

Buck Wehrbein, president of the NCBA, warns of a deadly fly threatening U.S. cattle, even after Mexico has begun allowing ...

the United States Department of Agriculture is warning states along the southern border to monitor livestock and pets for signs of a flesh-eating parasite. The New World Screwworm — a fly that ...

Despite the name, the parasitic insect is actually a fly. It looks similar to a housefly, but it lays eggs inside wounds and has larvae that eat through flesh once they hatch. The larvae twist in ...

The U.S. said it is suspending imports of live cattle, horse, and bison via ports along the southern border because of the spread of the screwworm pest in Mexico.