Atlantic salmon nutrition could get a local twist

ragworm in a dish

This little creature will help the salmon farming sector deal with a serious problem by offering locally-sourced and sustainable meals for the fish


Haiqing Wang, SINTEF

Norwegian researchers pitched an offbeat concept – feeding ragworms with locally-cultivated seaweeds. The outcomes have been as gold-edged because the worms themselves – a high-quality, locally-sourced and sustainable feed for farmed salmon.

“Ragworms are an thrilling new feed uncooked materials that may assist to scale back the sector’s dependency on imported supplies, thus making Norwegian salmon a extra eco-friendly and sustainable product,” says SINTEF researcher Andreas Hagemann.

Seaweeds are additionally a serious useful resource, and in recent times many corporations have been established alongside the Norwegian coast to domesticate them. Researchers have now demonstrated that seaweeds are ultimate as feed for ragworms, which in flip will be remodeled right into a high-quality feed for farmed salmon.

Demand for extra sustainable feed options

The seaweed-ragworm mixture might also assist to resolve a serious downside. The salmon farming and feed sectors are crying out for brand spanking new and sustainable uncooked supplies. It is important that they turn out to be much less depending on soya protein and different much less environmentally sound uncooked supplies that need to be transported for lengthy distances so as to provide Norwegian fish farms.


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