First screwworm cases in El Paso, Las Cruces, and Hudspeth County trigger quarantines, raise concerns for cattle ranchers, pet owners.
The U.S. Department of Agriculture confirmed the first two new cases of New World screwworm in Doña Ana County.
Arizona confirmed its first New World screwworm case after an infected dog was identified in Cochise County near the Mexico ...
By Tom Polansek WASHINGTON, Oct 28 (Reuters) - New World screwworm, a parasitic fly that eats warm-blooded animals alive, has ...
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