00748naa#a2200193#i#450# EN\\bibl\110550 20260118082013.7 2073-5529 20251215b2025####ek#y0engy0150####ca RU Spawning and growing farms efficiency and their importance for the commercial fish species conservation in the Volga river delta Journal article Astrakhan Astrakhan State Technical University 2025 6 с. Journal article local Выращивание молоди в вырастных хозяйствах. 639.3.07 Pyatikopova Olga Victorovna Kirillov Dmitry Evgenievich Dosaeva Walida Gafurovna vestnik.astu.org