Cattle is one of the more common hosts for New World screwworm. But the U.S. horse industry has also taken a hit from the latest live animal import ban between the U.S. and Mexico.

While the New World Screwworm was first thought to be just a threat in Mexico, it has now become a reality in the United States. Late last week, what was though

"Ivermectin kills New World screwworms in both humans and animals."