Authors
Joanna Obrzut
Department of Poultry Breeding, National Research Institute of Animal Production, 32-083 Balice n. Kraków,, Kraków, Poland
Józefa Krawczyk
Department of Poultry Breeding, National Research Institute of Animal Production, 32-083 Balice n. Kraków,, Kraków, Poland
Jolanta Calik
Department of Poultry Breeding, National Research Institute of Animal Production, 32-083 Balice n. Kraków,, Kraków, Poland
Sylwester Świątkiewicz
Department of Nutrition Physiology, National Research Institute of Animal Production, 32-083 Balice n., Kraków, Poland
Mariusz Pietras
Department of Nutrition Physiology, National Research Institute of Animal Production, 32-083 Balice n., Kraków, Poland
Katarzyna Utnik-Banaś
Department of Economics and Corporate Finance, University of Agriculture in Krakow, Al. Mickiewicza 21, 31-120, Kraków, Poland