| Summary: | Functional feeding complexes that correct metabolic processes in animal bodies, increasing their productivity and preventing infectious diseases are a new direction in the development of modern feed production. Such feeds, thanks to a set of components, have a wide range of healing effects. We have developed a feed additive consisting of probiotics, adaptogens, vitamins and amino acids. The aim of the work was to study the effect of a new feed additive on the antioxidant system of fish. During the research, it was found that the content of glutathione (GSH) in male fish raised on the background of biologically active feed additive doubled, and in females by more than 30%, and the activity of glutathione-S-transferase also increased. Therefore, on the background of the use of new biologically active feed additive, the resistance of the fish body to free radical and peroxide processes increases.
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