New World screwworm cases confirmed in wildlife in Texas
The agriculture department detected the flesh-eating parasite in an elk, marking its first detection in US wildlife, while New Mexico authorities separately reported a case in a beef cow.
The United States confirmed the first detection of the flesh-eating New World screwworm parasite in wildlife within the country, specifically in an elk located on a game ranch in Pecos County, Texas. The USDA revealed this during a statement, with the Texas Animal Health Commission planning to adjust an established infested zone surrounding the affected elk.
Concurrently, authorities in New Mexico reported a case of the screwworm in a beef cow from Otero County, with state and federal officials intensifying surveillance and fly-trapping efforts in the vicinity. The New Mexico Department of Agriculture announced the establishment of a 20km infested zone around the affected cow, wherein animals must undergo inspection and treatment if necessary before moving within or out of the area.
The screwworm, eradicated from the US decades ago, has recently proliferated from Central America through Mexico, leading the US to impose a ban on Mexican cattle imports last year. As part of a phased reopening plan, trade with Mexico resumed in August through an Arizona port, however, this decision has tightened US cattle supplies, contributing to a surge in beef prices for American consumers.
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