%0 Journal Article %T BIOLOGICALLY ACTIVE ADDITIVES IN PRODUCTIVE STURGEON DIETS %A Metallov, G.. %A Levina, O.. %A Grigoriev, V.A. %A Kovaleva, A.. %K sturgeon, recircular system, feeding of fishes, probiotic, selenium %J Vestnik of Astrakhan State Technical University. Series: Fishing industry %D 2013 %N 2013 %P 6 %I Astrakhan State Technical University