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Rollins: Mexico cooperation key to screwworm defense
The New World screwworm has not entered U.S. herds, but the threat has officials on guard. The parasite can devastate livestock, particularly cattle, and poses risks to any mammal. A recent case in a U.S. traveler returning from El Salvador underscored that danger. With cattle and other animals at stake, prevention efforts remain a top priority to keep the pest from reaching American livestock. U.S. Agriculture Secretary Brooke Rollins says the fight against the New World screwworm is part of...