1. Department of Animal Genetics and Horse Breeding, Institute of Bioengineering and Animal Breeding, Siedlce University of Natural Sciences and Humanities, 08-110, Siedlce, Poland
2. Department of Breeding Methods and Poultry and Small Ruminant Breeding, Institute of Bioengineering and Animal Breeding, Siedlce University of Natural Sciences and Humanities, 08-110, Siedlce, Poland
3. Department of Andrology and Reproductive Endocrinology, Medical University in Łódź, 91-425, Łódź, Poland