McALLEN — The U.S. Department of Agriculture on Wednesday confirmed the country’s first case of New World screwworm — the parasitic fly poised to harm the state’s $15 billion cattle industry — in South Texas. The USDA tested a sample from La Pryor in Zavala County at the USDA’s National Veterinary Services Laboratories in Ames, […]
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First U.S. screwworm case confirmed in South Texas
Officials tested a sample from La Pryor in Zavala County at a lab in lowa, confirming the infestation, Secretary Brooke Rollins said.