1 Department of Animal Physiology and Development, Adam Mickiewicz University, Poznań, Uniwersytetu Poznańskiego 6 Street, 61-614, Poznan, Poland. pmarcin@amu.edu.pl.
2 Department of Animal Physiology and Development, Adam Mickiewicz University, Poznań, Uniwersytetu Poznańskiego 6 Street, 61-614, Poznan, Poland.