The New World screwworm flies lay their eggs in wounds, noses, ears, eyes or mouths. Their eggs develop into parasitic larvae ...
The U.S. has blocked imports of live cattle, horses, and bison through southern border ports following the resurgence in Mexico of the New World Screwworm, a parasitic fly that infects animals and ...
The United States Department of Agriculture's Animal and Plant Health Inspection Service announces a shift in New World screwworm sterile fly dispersal efforts into Texas to stop the northern spread ...
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