Authors
Krzysztof Wojtycza
Central Laboratory, National Research Institute of Animal Production, Morawica, Poland
Robert Gąsior
Central Laboratory, National Research Institute of Animal Production, Morawica, Poland
Beata Szymczyk
Department of Animal Nutrition and Feed Science, National Research Institute of Animal Production, Morawica, Poland
Angelika Odrzywolska
Central Laboratory, National Research Institute of Animal Production, Morawica, Poland
Halina Bielińska
Experimental Station Kołuda Wielka, National Research Institute of Animal Production, Janikowo, Poland
Wojciech Wróblewski
Central Laboratory, National Research Institute of Animal Production, Morawica, Poland