Sea Lice-Infested Fish Farms Threaten Wild Salmon

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Wild salmon runs on the West Coast of Canada are being ravaged by sea lice linked to local fish farms, according to a study by the journal Science.

The authors of the paper say some kinds of wild salmon will be near extinction if lice infestations at salmon farms in British Columbia continue. By some accounts, the study shows the dark side of industrial-scale fish farming.

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