TY JOUR TI VARIABILITY OF THE BODY LENGTH AND WAIGHT AND FISH CAPACITY OF 4-YEAR-OLD AND 5-YEAR-OLD RUSSIAN STURGEON CULTIVATED IN THE POND FISH FARM IN THE REPUBLICK OF KAZAKHSTAN KW sturgeon-breeding KW Russian sturgeon KW pond culture KW weight-and-length parameters KW variability KW fish-productivity KW gross-production JO Vestnik of Astrakhan State Technical University. Series: Fishing industry AU Badryzlova, N.. AU Isbekov, K.. AU Fedorov, E.. PY 2017 IS 2017 PB Astrakhan State Technical University