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

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

The threat of an invasive screw worm species could be harmful to pets and wildlife. Experts are urging residents to say alert for the New World screwworm, an aggressive fly whose maggots feed on ...

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

The U.S. Department of Agriculture announced the border closure after Mexico reported a case of a flesh-eating parasite ...

Griffith says the continued efforts to keep New World screwworm out of the U.S. have kept some Mexican cattle imports out of the country.

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

The Department of Agriculture on Wednesday halted cattle shipments from Mexico to the United States over concerns of the New World screwworm parasite's rapid spread.

Flesh-eating maggots are inching toward the southwestern border of the US. The defense plan? Breed millions of sterilized flies and drop them from the sky.

The flesh-eating parasite was thought to have been eradicated but has made a gruesome comeback, devouring one woman's lungs ...

The US has reinstated its livestock import ban from Mexico after the New World screwworm fly was found further north than ...

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