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Ask Well: Wild Fish vs. Farmed Fish

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Dr. Sears Comments:

Dr. Barry Sears

Farmed fish are usually higher in PCBs and omega-6 fatty acids than wild fish.  This is because farmed fish are fed crude fish oil (rich in PCBs) needed to grow and vegetable oils (rich in omega-6 fatty acids) to reduce their cost.  Unfortunately, it also reduces the health benefits of the farmed fish versus the wild fish.

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