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

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

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

In a move to secure U.S. producers from the New World Screw worm, the U.S. Secretary of Agriculture, Brooke Rollins, ...

U.S. border closure for Mexican cattle after new screwworm case in Veracruz, frustrating reopening and raising tensions.

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

A detection of the New World Screwworm closer to the United States will keep the ports closed to livestock from Mexico.

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 closer to the border.

USDA suspends livestock trade at southern border ports after a new screwworm case in Veracruz, Mexico, raising concerns for U ...

USDA's plan was to slowly reopen the southern border, but a new case of New World screwworm in Mexico has put reopening plans ...

The U.S. has shut its southern border to livestock imports again after a flesh-eating parasite was found further north in ...