1. Institute of Animal Breeding and Biodiversity Conservation, Faculty of Biology, Animal Sciences and Bioeconomy, University of Life Sciences in Lublin, Akademicka 13, 20-950 Lublin, Poland.
2. Department of Animal Molecular Biology, National Research Institute of Animal Production, Krakowska 1, 32-083 Balice n. Krakow, Poland.
3. Department of Animal Breeding and Product Quality Assessment, Faculty of Veterinary Medicine and Animal Sciences, Poznań University of Life Sciences, Złotniki, Słoneczna 1, 62-002 Suchy Las, Poland.