farm animals

Antibiotic- and growth-hormone-free cattle gather at a farm in Yamhill, Ore. Despite farmers pledging to reduce or stop antibiotics use, a new report finds that sales of antibiotics for use on farms are going up. Don Ryan/AP hide caption

Cattle raised at the U.S. Meat Animal Research Center in Clay Center, Neb. A New York Times investigation of animal suffering at the federal research center has prompted a USDA review. Nati Harnik/AP hide caption