Authors
Zofia Sokołowicz
Chair of Animal Production and Evaluation of Poultry Products, Faculty of Biology and Agriculture, University of Rzeszów, M. Ćwiklińskiej 2, 35-601, Rzeszów, Poland
Józefa Krawczyk
jozefa.krawczyk@izoo.krakow.pl
Department of Poultry Breeding, National Research Institute of Animal Production, 32-083 Balice n., Kraków, Poland
Magdalena Dykiel
Department of Food Production and Safety, State Higher Vocational School in Krosno, Rynek 1, 38-400, Krosno, Poland