It would be very useful if you could cite that study. Could you be thinking
of lake trout/char in the Great Lakes? Don't eat those for sure. Atlantic
and Pacific salmon aquaculture occurs in saltwater in floating net pens. I
can't see where pesticides would be a problem. I'd think levels of
antibiotics in the flesh would be more of a health issue. Pesticide residue
would be a problem in freshwater, but even there it's manageable by rearing
the fish in cages or pens that are held off the bottom, and feeding them a
safe processed food.
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