A dangerous parasite once eliminated in the United States has been detected in northern Mexico, close to the U.S. border. Mexico's agriculture ministry confirmed Sunday that an 8-month-old cow in Nuevo León tested positive for New World screwworm. The animal was part of a shipment of 100 cattle from Veracruz, but only one showed signs of infestation. The cow was treated, and all others received ivermectin, an antiparasitic medication, officials said. The case was found in Sabinas Hidalgo, a

Tag-uri: Agricultura