New World Screwworm Returns to the U.S.: What It Means for Dogs, Cats and Horses

New World screwworm isn’t actually a worm. It’s the larval stage (maggot) of the fly Cochliomyia hominivorax. Unlike ordinary maggots that feed on dead tissue, screwworm larvae invade living tissue, burrowing deeper into even small wounds as they feed. Untreated infestations can cause severe tissue destruction, secondary infections, and even death. The parasite can infect…

The post New World Screwworm Returns to the U.S.: What It Means for Dogs, Cats and Horses appeared first on Steve Dale Pet World.