TY JOUR TI Using non-traditional raw materials in production of compound feeds for valuable fish species KW secondary raw materials KW compound feed KW components KW extrusion KW probiotic preparation KW nutritive value KW production feed JO Vestnik of Astrakhan State Technical University. Series: Fishing industry AU Bektursunova, M.. AU Ospanov, A.. AU Sidorova, V.. AU Yеnvareva, N.. AU Asylbekova, S.. AU Mukhramova, A.. PY 2022 IS PB Astrakhan State Technical University