1. Department of Genetics and Breeding Czech University of Life Sciences Prague, Faculty of Agrobiology, Food and Natural Resources Prague 6 – Suchdol Czech Republic
2. Department of Animal Science Czech University of Life Sciences Prague, Faculty of Agrobiology, Food and Natural Resources Prague 6 – Suchdol Czech Republic
3. Laboratory of Molecular Ecology Institute of Animal Physiology and Genetics, Academy of Sciences of the Czech Republic Liběchov Czech Republic