@article{Ponomareva2022preparation, author={Ponomareva, E.. and Firsova, A.. and Kovaleva, A.V.}, title={Preparation of pike-perch breeders (Sander lucioperca Linnaeus, 1758) for spawning, spawning and eggs incubation in experimental spawning units}, journal={Vestnik of Astrakhan State Technical University. Series: Fishing industry}, publisher={Astrakhan State Technical University}, year={2022}, pages={103-112}, volume={}, issue={4}, }