New Research Suggests Farmed Salmon's Nutritional Value May Be Declining
A shift in the diet fed to farmed salmon is altering the fish's nutrient profile and having broader effects on the environment and climate, according to new research reported by Ars Technica.
New research suggests that farmed salmon may no longer offer the same nutritional benefits it once did, according to a report published by Ars Technica.
The change is linked to shifts in what the fish are fed. Historically, farmed salmon diets relied heavily on marine-based ingredients such as fish oil and fishmeal, which are rich sources of omega-3 fatty acids widely associated with the nutritional value of salmon.
According to the report, the composition of feed used in salmon aquaculture has evolved over time, and researchers say this shift is affecting the nutrient content of the fish that eventually reaches consumers.
Beyond nutrition, the report states that changes in salmon feed formulations are having downstream consequences for the environment and climate. The research points to broader implications tied to how the aquaculture industry sources and produces feed ingredients.
Ars Technica's report does not provide exhaustive detail on the specific feed ingredients now used or precise measurements of nutrient decline, and further findings from the underlying research may clarify the scope of the changes described.
Sources
EGazette summarizes reporting from multiple sources; follow the links for the originals.
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