1. Laboratory of Genomics, National Research Institute of Animal Production; Balice n. Cracow Poland
2. Department of Animal Physiology and Reproduction; University of Rzeszow; Rzeszow Poland
3. Centre of Applied Biotechnology and Basic Sciences, University of Rzeszow; Kolbuszowa Poland
4. Departament of Genetics; University of Rzeszow; Rzeszow Poland
5. Department of Biological Bases of Animal Production; University of Life Science; Lublin Poland