%0 Journal Article %T Economic efficiency of forming pike perch broodstocks in fish farms of Kazakhstan %A Asylbekova, S.. %A Badryzlova, N.. %A Koyshibaeva, S.. %A Isbekov, K.. %K fish farming, pike perch, broodstock, larvae, juveniles, yearlings, two-year-olds, ponds, cost, economic efficiency %J Vestnik of Astrakhan State Technical University. Series: Fishing industry %D 2020 %N 2020 %P 9 %I Astrakhan State Technical University