TY JOUR TI CHARACTERISTICS OF FREE-RADICAL PROCESSES IN THE ORGANISMS OF SOME PREDATORY FISH SPECIES IN DIFFERENT SEASONS OF THE YEAR KW lipid peroxidation KW antioxidant system of fish KW Malone dialdehyde KW catalase KW selenium KW predatory fish JO Vestnik of Astrakhan State Technical University. Series: Fishing industry AU Pudovkin, N.. AU Smutnev, P.. PY 2017 IS 2017 PB Astrakhan State Technical University