Highly Pathogenic Avian Influenza strikes South Dakota layer farm, impacting 700,000 birds. Learn about the latest HPAI ...

The U.S. Department of Agriculture (USDA) was notified late last fall about the detection of New World screwworm in Mexico. Since then, the National Cattlemen’s Beef Association (NCBA) […] ...

The U.S. and Mexico reached an agreement on how to handle a damaging livestock pest called New World screwworm.

An unpleasant parasite spread by flies was kicked out of the U.S. decades ago — but now it seems to be making its return. As ...