Authors
Lidia Lewko
Department of Poultry Breeding, National Research Institute of Animal Production, Poland
Ewa Gornowicz
Department of Poultry Breeding, National Research Institute of Animal Production, Poland
Artur Kryza
Diversey Poland Sp. z o.o., Al. Jerozolimskie 134, Warszawa, Poland
Marek Adamski
Department of Animal Breeding and Nutrition, Faculty of Animal Breeding and Biology, Bydgoszcz University of Science and Technology, Poland