May 162014
 

The Fish Site logoFarmed salmon is rich in fat, but fillets of farmed salmon contain less marine omega-3 than previously, because a large fraction of the fish oil in the feed has been replaced by plant oil. Scientists have discovered a way of stimulating farmed salmon to convert plant oil in the feed to marine omega-3.

This means that farmed salmon may become a net producer of marine omega-3.  Read more …

  One Response to “Larger salmon smolts produce healthier fat”

  1. As a rule, fats are synthesized metabolically from carbo-hydrates (not fats, as many assume and “experts” suggest) whereas consumed fats are broken down and burned as calories (the great myth that reducing fat can make you slim) it is scientifically rather doubtful that the reason for reduced omega fractions are because “a large fraction of the fish oil in the feed has been replaced by plant oil”. It must have more to do with processes that are indirectly induced by that feed change. If vertebrates would turn the fat in their diet into body fats similar to their intake then beef e.g. would reflect the pastures they graze on in their body fat. But they don’t – it’s always tallow …

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