Functional-purpose compound feed for sturgeon and salmon fish containing humic substances

This article analyzes the development of the functional feed category in modern aquaculture. Based on a study of the specific effects of bioactive additives on fish, the concept is explored and the relevance of its implementation in the cultivation of valuable fish species (sturgeon and salmon) is substantiated. It is established that the use of biologically active additives allows for the transformation of traditional feeds into functional ones, imparting therapeutic and prophylactic properties that go beyond standard nutritional indicators. The results of the development of formulations enriched with biologically active humic substances by the Fish Industry Institute, a state-owned enterprise, are presented. The mechanism of the complex action of these components is revealed, and it is proven that the use of the developed functional feeds promotes the restoration of the morphofunctional state of the liver after feeding high-energy diets, normalizes metabolism, and increases resistance to stress factors. Improved fish farming performance (increased survival, increased average daily weight gain, and a decrease in the feed conversion factor) has been experimentally confirmed. The obtained results substantiate the economic efficiency of using functional additives in intensive fish farming and confirm the high significance of developments for import substitution in the high-tech feed segment.

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