1 Laboratory of Reproductive Physiology, Center of Biosciences, Institute of Animal Biochemistry and Genetics, Slovak Academy of Sciences, Bratislava, Slovak Republic.
2 Laboratory of Reproductive Biology, Institute of Biotechnology of the Czech Academy of Sciences, BIOCEV, Vestec, Czech Republic.
3 Faculty of Science, University of Hradec Králové, Hradec Králové, Czech Republic.
4 Department of Veterinary Sciences, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague, Czech Republic.
5 Department of Zoology, Faculty of Science, Charles University, Prague, Czech Republic.
6 Laboratory of Reproductive Physiology, Center of Biosciences, Institute of Animal Biochemistry and Genetics, Slovak Academy of Sciences, Bratislava, Slovak Republic. jana.antalikova@savba.sk.