The U.S. has closed its southern border again to livestock imports, saying that a flesh-eating parasite has moved further ...

The U.S. has closed its southern border again to livestock imports, saying a flesh-eating parasite has moved further north in ...

The New World screwworm fly's larvae feed on live flesh, threatening livestock health and causing economic losses. US and ...

The USDA hopes a new fly factory will be operating in southern Mexico by July 2026 to supplement fly breeding at an existing ...