A Canadian researcher has claimed that farmed salmon contains more contaminants than wild fish, releasing research alleging that British Columbian farmed salmon could be dangerous because they contain elevated levels of PCBs.

The scientific paper published by Micheal Easton, a Vancouver geneticist, says farmed fish raised in pens contain nearly 10 times the amount of toxicity as wild salmon, using the World Health Organisation’s standards to gauge the levels.

His report recommends people should not eat more than one serving of farmed salmon per week.  “The use of fish oil and fishmeal […] act as a pipeline for contaminants into the human food chain,” it says. The Canadian Food Inspection Agency disputes Mr Eastman’s findings.

By Monica Dobie, just-food.com correspondent

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