If approved by the Food and Drug Administration, the quick-growing salmon would be the first so-called 'Frankenfood' animal approved for consumption by the American public.
But experts said not enough is known about the wider impacts on society of bringing such foods on the market, including a potentially major shift in dietary habits, buying practices and environmental hazards.
The current FDA process involves comparing modified salmon to the regular fish, analyzing the nutritional profile and screening for toxins, said the study by American and Norwegian researchers published in the journal Science.
'A more useful approach would be to evaluate whether society is better off overall with the new product than without it,' said Duke University law professor Jonathan Wiener."
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