Video: Diseases from farmed salmon threaten wild Pacific salmon stocks

[SF Chronicle RSS Feed - Tom Stienstra]

A provocative documentary shows how diseases from farmed salmon based in Canada can threaten wild salmon along the Pacific Coast. The video, posted by Twyla Roscovich in April###on Vimeo.com,###has shocked both anglers, conservationists and about anybody who takes the time to watch it. The reason farmed fish can carry diseases is because they are kept in submerged pens, where there are too many fish for the amount of space available, 1.5 to 2.5 years, said John Beath, past president of the Outdoor Writers Association of America. Most of the farmed salmon on the Pacific Coast are not from the Pacific Ocean, but rather Atlantic salmon. “When I watched this documentary, [...]

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