Authors
Jolanta Calik
Department of Poultry Breeding, National Research Institute of Animal Production, Kraków, Poland
Sylwester Świątkiewicz
Department of Animal Nutrition and Feed Science, National Research Institute of Animal Production, Kraków, Poland
Joanna Obrzut
Department of Poultry Breeding, National Research Institute of Animal Production, Kraków, Poland
Katarzyna Połtowicz
Department of Poultry Breeding, National Research Institute of Animal Production, Kraków, Poland
Józefa Krawczyk
Department of Poultry Breeding, National Research Institute of Animal Production, Kraków, Poland