TY JOUR TI PRACTICE OF ARTIFICIAL REPRODUCTION OF STERLAD (ACIPENSER RUTHENUS LINNAEUS) IN RECIRCULATING AQUACULTURE SYSTEM (IN MANGISTAU REGION) KW sterlet KW wintering KW artificial reproduction KW stimulation KW caviar KW milt KW producers KW larvae. JO Vestnik of Astrakhan State Technical University. Series: Fishing industry AU Bulavin, Y.. AU Maratova, G.. AU Asylbekova, S.. AU Isbekov, K.. AU Koyshibaeva, S.. AU Bulavina, N.. PY 2020 IS PB Astrakhan State Technical University