TY JOUR TI INNOVATIVE ASPECTS IN DIAGNOSTICS OF MATURITY DEGREE OF HYBRIDS STERLET × BELUGA (ACIPENSER RUTHENUS LINNAEUS, 1758 × HUSO HUSO LINNAEUS, 1758) GROWN UP IN THE RECIRCULATING SYSTEM KW aquaculture KW hybrid sterlet × beluga KW recircular system KW diagnostics KW test KW maturity KW metabolism KW physiology KW salinity JO Vestnik of Astrakhan State Technical University. Series: Fishing industry AU Geraskin, P.. AU Grigoriev, V.A. AU Levina, O.. AU Metallov, G.. AU Ponomareva, E.. PY 2015 IS 2015 PB Astrakhan State Technical University