Proper feed management is based on precise prediction of fish growth and good knowledge of the dynamics in the relationship between feeding (SFR), growth (SGR) and feed conversion (FCR). Recent research at Laxforsen indicates that there is a relationship between SFR, SGR and FCR at any water temperature, fish size and at any level of digestible energy in the feed. The investigation clearly shows that there is a target area rather than a point for optimum feeding. Optimized local feed management together with further development of fish feed in terms of increased digestibility of feed components will lead to greater profitability to the farmer and also minimize aquaculture wastes.

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