US Again Closes Border With Mexico to Livestock Imports
An adult New World screwworm fly. (Denise Bonilla/U.S. Department of Agriculture via AP) The U.S. has closed its southern border again to livestock imports, saying a flesh-eating parasite has moved farther north in Mexico than previously reported. Mexico’s president was critical July 10, suggesting that the U.S. is exaggerating the threat to its beef industry ...more