Authors
Ewa Łukaszewicz
Division of Poultry Breeding, Institute of Animal Breeding, Wroclaw University of Environmental and Life Sciences, Wrocław, Poland
Artur Kowalczyk
Division of Poultry Breeding, Institute of Animal Breeding, Wroclaw University of Environmental and Life Sciences, Wrocław, Poland
Anna Jerysz
Division of Poultry Breeding, Institute of Animal Breeding, Wroclaw University of Environmental and Life Sciences, Wrocław, Poland
Mirosław Lisowski
National Research Institute of Animal Production, Poland