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The U.S. has closed its southern border again to livestock imports, saying a flesh-eating parasite has moved further north in ...
The U.S. has closed its southern border again to livestock imports, saying a flesh-eating parasite has moved further north in ...
US has reclosed its southern border after a flesh-eating parasite is seen further north in Mexico The U.S. has closed its southern border again to livestock imports.
The New World screwworm fly's larvae feed on live flesh, threatening livestock health and causing economic losses. US and ...
The U.S. has closed its southern border again to livestock imports, saying that a flesh-eating parasite has moved further north in Mexico than previously reported.