Abstract
Changes of the bile acid composition were studied in bile of the vendace Coregonus albula L. and the sea whitefish Coregonus lavaretus L. under effect of sewers of an ore mining and processing plant, the main polluting agents of the sewers being heavy metals. The revealed variability of the bile acid composition indicates different species-related sensitivity to the studied pollutants as well as a lower resistance of males as compared with females to this type of pollution. Mechanisms of effects of industrial sewers on the bile formation processes and a possibility of using parameters of the steroid lipid metabolism at evaluation of the state of aquatic ecosystems are discussed.
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