Farmed atlantic salmon

Farmed atlantic salmon

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Credit: LEWIS HOUGHTON/SCIENCE PHOTO LIBRARY

Caption: Feeding Scottish farmed salmon using pellets - Over a period of 20 years, salmon farmers have gradually substituted marine raw materials with vegetable raw materials, while sustaining the health benefits and quality of farmed salmon. This change in the dietary composition has reduced our dependency on forage fish considerably. Since 2004, volumes of farmed Atlantic salmon have increased significantly in parallel with a significant reduction in utilised volumes of fishmeal and fish oil. Salmon is an excellent vehicle for omega-3 (fatty acids), an important component of human nutrition. However, the amount of these healthy components in the fish is to a large degree mirrored by the level of fish oil in the feed. Fish oil is the main source of omega-3 in feed and, in the future, the level of fish oil substitution will mainly be determined by the market requirement for omega-3 in salmon.

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Keywords: aquaculture, aquafarming, atlantic, eating, farmed, farmers, fatty acids, feed, fish, food, highlands, loch torridon, marine, oil, omega-3, pellets, pens, salmon, scotland, scottish

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