A 2005 electron microscope image shows an avian influenza A H5N1 virion. A pig at an Oregon farm was found to have bird flu, the U.S. Department of Agriculture said Wednesday. Cynthia Goldsmith, Jackie Katz/CDC/AP hide caption
farm animals
A donkey's owner makes last-minute adjustments ahead of the costume competition at the annual Donkey Festival in San Antero. Andrés Ríos for NPR hide caption
Dairy cows graze on a farm near Oxford, in the South Island of New Zealand on Oct. 8, 2018. Mark Baker/AP hide caption
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
A man with a cow in Dong Thap province in southern Vietnam. He got the cow from Heifer International — as well as training and resources to care for it. Courtesy of Juleen Lapporte hide caption