/ New World screwworm Content for 51³Ô¹ÏºÚÁÏ Davis en /index%2ephp/health/news/media-experts-new-world-screwworm <p>The U.S Department of Agriculture has now <a href="https://www.aphis.usda.gov/animals/animal-health/livestock-and-poultry-disease/current-status/us-confirmed-cases-new-world">confirmed cases</a> of New World screwworm in calves, sheep and goats in Texas and in a dog in New Mexico. New World screwworm is a serious parasitic fly that can affect livestock, pets, wildlife, and less commonly, people and birds. Adult screwworm flies are about the size of a common housefly or slightly larger. Their larvae feed on the living tissue of warm-blooded animals.</p> June 26, 2026 - 10:44am Amy M Quinton /index%2ephp/health/news/media-experts-new-world-screwworm