The map shows the ports of entry affected by the U.S. Agriculture Department’s announcement and the approximate locations of ...

America has stopped taking animals from northern Mexico. This is because of the New World Screwworm fly. This fly is harmful ...

Understanding the New World screwworm blowfly and its behavior underscores why it is so dangerous to the livestock industry.

The image, the smell, the emotions: five cattle producers and veterinarians from around the world share their first-hand ...

The New World screwworm fly, a flesh-eating parasite, is making a concerning comeback. Learn about the screwworm's threat to ...

The U.S. has again ceased livestock imports from Mexico related to the presence of the parasitic New World screwworm fly ...

New cases of screwworms on July 8 in Veracruz, Mexico has caused the U.S. to close southern borders to livestock imports.

The reemergence of the New World screwworm, which poses significant health risks for livestock, has prompted the Department ...

Experts will discuss surveillance, response and the latest news about the New World screwworm during a workshop on July 23 in Uvalde.

Gov. Abbott has ordered two Texas agencies to begin working together and with residents and business leaders to stop the ...

Secretary Rollins takes decisive action and shuts down U.S. Southern border ports to livestock trade due to further northward ...

What is the New World screwworm? A parasite whose larvae hatch in wounds on mammals and feed on the host’s flesh and fluids. Infestations in livestock could cause large economic losses.