%0 Journal Article %T MORPHOLOGICAL VARIABILITY OF GRASS CARP CTENOPHARYNGODON IDELLA (VALENCIENNES, 1844) IN RESERVOIRS OF SOUTHERN KAZAKHSTAN %A Kirichenko, O.. %A Asylbekova, S.. %A Isbekov, K.. %K population, sample, grass carp, morphometric features, artificial reproduction, stocking, natural reservoirs, hatchery %J Vestnik of Astrakhan State Technical University. Series: Fishing industry %D 2020 %N %P 6 %I Astrakhan State Technical University