%0 Journal Article %T BIOLOGICAL CHARACTERISTICS OF SIRES AND REARING JUVENILS OF PIKEPERCH STOCKED UP FOR REPRODUCTION IN THE KAPCHAGAI WATER RESERVOIR %A Isbekov, K.. %A Koyshibaeva, S.. %A Fedorov, E.. %K pikeperch, sires, periods of spawning, age, size indexes, statistical authenticity of differences %J Vestnik of Astrakhan State Technical University. Series: Fishing industry %D 2017 %N %P 8 %I Astrakhan State Technical University