%0 Journal Article %T Optimization of the cryoprotector composition for the preservation of African catfish reproductive cells %A Firsova, A.. %A Polovinkina, M.. %A Osipova, V.. %A Ponomareva, E.. %K aquaculture, cryopreservation, reproductive cells, cryoprotectant, African catfish, artificial reproduction, biotechnology %J Vestnik of Astrakhan State Technical University. Series: Fishing industry %D 2023 %N %P 9 %I Astrakhan State Technical University