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The pro-antioxidant balance in the liver and muscles of sterlet under the influence of artificial carbonic dioxyde hibernation and anaesthesia have been studied. In experiments were used two-years old sterlet weighing 170–210 g which were grown under conditions of a closed water supply. Four groups of five copies of each fish were formed: Control group I (fish remained intact); Group II (the clove oil was used for fish anaesthesia, which was added to the water); Group III (fish were hibernated by carbon dioxide); Group IV - control of hibernation (after complete recovery from carbon dioxide hibernation, these groups of fish were returned to the pool of incubation shop for her follow–up). The research of intensity of the formation products of peroxide oxidation of lipids (POL) in the body of sterlet in the experimental conditions were conducted by determining the content of thiobarbituric acid active products (TBA–active products) in the muscles and liver that are generated at the final stages of lipid peroxidation. The content of malonic dialdehyde (MDA), one of the intermediate products of lipid peroxidation of membrane was determined photometrically by the concentration of colored complex formed by its reaction in the acidic environment of the two molecules of thiobarbituric acid (TBA). Catalase activity was determined by the ability of hydrogen peroxide to form the stable colored complex with Molybdenum salts. The results support the adaptive character in fluctuations in the antioxidant protection system by the actions of carbon dioxide hibernation and anaesthesia on the sterlet body. This also contributes to usage of these conditions in fish transportation at long distances without stress factors.

Про-антиокcидантна рівновага в печінці та м’язах cтерляді за дії штучного гіпобіозу й анестезії