1 Department of Ichthyology and Aquaculture, University of Warmia and Mazury, Oczapowskiego 5, 10-719, Olsztyn, Poland. katarzyna.palinska@uwm.edu.pl.
2 Department of Environmental Biotechnology, University of Warmia and Mazury, Słoneczna 45G, 10-709, Olsztyn, Poland.
3 Departament of Ichthyology and Biotechnology in Aquaculture, Institute of Animal Sciences, University of Life Sciences, Ciszewskiego 8, 02-786, Warsaw, Poland.
4 Department of Gametes and Embryo Biology, Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, Tuwima 10, 10-748, Olsztyn, Poland. d.zarski@pan.olsztyn.pl.