U.S. Agriculture Secretary Brooke Rollins closed the border to Mexican cattle for a second time after new reports of screwworm infestations.

Christopher Lee, DVM, MPH, DACVPM, provides his insights into the fight against New World screwworm—which includes an expanded screwworm production facility—in this Vet Watch update ...

Should the flies reach the states, the larvae could infest livestock, pets, wildlife and, possibly, even people.

The Santa Teresa livestock crossing was set to open up July 21st after months of closure due to the New World Screwworm, a flesh eating parasite found in Mexico. But after a new case was found in the ...

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

In Mexico, dogs like Hummer are crucial in detecting screwworm, a pest threatening livestock and trade. Trained at a ...

With tail wagging, tongue out and ears perked, Hummer - a young mixed breed dog with a slick black coat - sits down in front of a sample of screwworm scent, promptly accepting praise and treats from ...

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

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

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 Agriculture Department said Wednesday evening that the U.S. would be closing the southern border to livestock trade, effective immediately, after reports that New World screwworm has resumed its ...

The reemergence of the New World screwworm, which poses significant health risks for livestock, has prompted the Department of Agriculture to halt cattle shipments from Mexico to the United States.