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 ...

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

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

STORY: Hummer, a young mixed-breed dog, walks around a variety of samples until he finds what he’s searching for – the scent ...

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

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

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

The USDA previously reopened certain ports, such as Douglas, Arizona, after Mexico's efforts to control the screwworm pest.

The U.S. has closed its southern border again to livestock imports, saying that a flesh-eating parasite has moved further ...

Mexico's agriculture ministry said in a statement that the plant, a joint project with the U.S., will produce 100 million ...

Officials run a three-month intensive training program for a select group of dogs to sniff out screwworm and other pests or ...