TY JOUR TI Preparation of pike-perch breeders (Sander lucioperca Linnaeus, 1758) for spawning, spawning and eggs incubation in experimental spawning units KW aquaculture KW experimental spawning unit KW pike-perch KW biotechnology KW spawning KW incubation KW water temperature JO Vestnik of Astrakhan State Technical University. Series: Fishing industry AU Ponomareva, E.. AU Firsova, A.. AU Kovaleva, A.V. PY 2022 IS PB Astrakhan State Technical University