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Richard Newton, Lecturer in Aquaculture, University of Stirling

Why the salmon on your plate contains less omega-3 than it used to – and how the industry can address that

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Farmed Atlantic salmon has become one of the most highly traded food commodities in the world, enjoyed for its versatility as much as for its health benefits. It has long been known that eating oily fish such as salmon is the best way to consume long-chain omega-3 fatty acids. These are essential for brain development, mental health and cognition.

In salmon, omega-3 fatty acids must come from the fish’s diet. For farmed fish, this means fishmeal and fish oil – so–called “marine ingredients” made from ground-up wild fish such as anchovy and fish by-products.

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