USDA Confirms New World Screwworm Outbreak in Texas Cattle In a worrying development for the US livestock industry, the US Department of Agriculture has announced the detection of New World screwworm in a calf in Texas. This parasitic pest, native to the Americas, can cause significant harm to cattle, including painful lesions and even death. The discovery has raised concerns about the potential for a wider outbreak, which could have devastating economic and animal welfare implications for the state's ranching community. As the USDA works to contain the situation, experts are urging vigilance among cattle farmers and ranchers to prevent further spread of the disease.


The US Department of Agriculture says New World screwworm has been detected in a Texas calf.