1. Department of Genetics and Animal Breeding Poznan University of Life Sciences Wolynska 33 Poznan60‐637Poland
2. Horse Genetic Markers Laboratory Poznan University of Life Sciences Wolynska 33 Poznan60‐637Poland
3. Department of Animal Reproduction, Anatomy and Genomics University of Agriculture in Krakow Mickiewicza 24/28 Krakow30‐059Poland