%0 Journal Article %T Preparation of pike-perch breeders (Sander lucioperca Linnaeus, 1758) for spawning, spawning and eggs incubation in experimental spawning units %A Ponomareva, E.. %A Firsova, A.. %A Kovaleva, A.V. %K aquaculture, experimental spawning unit, pike-perch, biotechnology, spawning, incubation, water temperature %J Vestnik of Astrakhan State Technical University. Series: Fishing industry %D 2022 %N %P 9 %I Astrakhan State Technical University