The U.S. Department of Agriculture confirmed the presence of a flesh-eating New World screwworm in Texas on Wednesday.     The USDA said the only animal affected was a 3-week-old calf in Zavala County, Texas, after larvae were identified in its umbilical area.   The USDA said it's taking immediate action to eradicate the parasitic fly by establishing a 12-mile "infested zone" around the detection site and implementing quarantines, increasing traps for screwworms along the border and

Tag-uri: Agricultura