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Fans of salmon know just how versatile the fish is. Whether you enjoy it best smoked and on a bagel, or broiled with some light seasoning, salmon can spruce up a variety of dishes. In recent years ...
Wild salmon is unarguably better in terms of quality and nutrition. But it isn’t nearly as widely available as farmed salmon and can be cost-prohibitive to the average consumer.
Disease/parasites: Viruses and parasites can transfer between farmed and wild fish, as well as among farms. [90] [91] Escapes: Escaped farmed salmon can compete with wild fish and interbreed with local wild stocks of the same population, altering the overall pool of genetic diversity. [92]
Norway is a major producer of farmed and wild salmon, accounting for more than 50% of global salmon production. Farmed and wild salmon differ only slightly in terms of food quality and safety, with farmed salmon having lower content of environmental contaminants, and wild salmon having higher content of omega-3 fatty acids. [2]
Secondly, farmed fish are kept in concentrations never seen in the wild (e.g. 50,000 fish in a 2-acre (8,100 m 2) area. [54]). However, fish tend also to be animals that aggregate into large schools at high density. Most successful aquaculture species are schooling species, which do not have social problems at high density.
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An example of this is the parasitic sea lice on wild and farmed Atlantic salmon in Canada. [47] Also, non-indigenous species which are farmed may have resistance to, or carry, particular diseases (which they picked up in their native habitats) which could be spread through wild populations if they escape into those wild populations.