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

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

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

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

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

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

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

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 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.