1 | Poznan University of Life Sciences, Department of Genetics and Animal Breeding,
Wołyńska 33, 60-637 Poznań, Poland |
2 | Iowa State University, Department of Animal Science, Ames, Iowa 50011-3150, USA |
3 | University of Technology and Life Sciences, Department of Animal Biotechnology,
Ks. Kordeckiego 20, 85-225 Bydgoszcz, Poland |
4 | National Research Institute of Animal Production,
Department of Animal Reproduction Biotechnology,
32-083 Balice, Poland |