Officials confirm flesh-eating New World screwworm parasite found in US wildlife
Summary
The US Department of Agriculture confirmed the first case of the flesh-eating New World screwworm parasite found in US wildlife, specifically in an elk in Texas. This parasite was previously eradicated in the US but has recently reappeared after spreading north from Central America, causing concerns for wildlife and livestock.Key Facts
- The New World screwworm parasite was found in an elk in Pecos County, Texas.
- The elk was on a game ranch and reported after being harvested by a hunter.
- Texas animal health officials will change the boundaries of the infested zone because of this finding.
- USDA and Texas Parks and Wildlife are increasing monitoring of wildlife in the affected area.
- The parasite was eradicated in the US decades ago but has returned by moving north from Central America through Mexico.
- The US stopped Mexican cattle imports in 2023 to prevent the parasite’s spread but resumed some trade in August at an Arizona port.
- The screwworm has been detected multiple times this year in the US, including on a calf, a horse, and a dog in Texas.
- The cattle import ban contributed to smaller beef supplies and higher prices for American consumers.
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