Authors
Andrzej Gugołek
Department of Fur-bearing Animal Breeding and Game Management, Faculty of Animal Bioengineering, University of Warmia and Mazury, Olsztyn, Poland
Dorota Kowalska
Department of Small Livestock Breeding, National Research Institute of Animal Production, Poland
Jerzy Juśkiewicz
Department of Biological Functions of Food, Institute of Animal Reproduction and Food Research of the Polish Academy of Sciences, Olsztyn, Poland
Małgorzata Gugołek
Department of Veterinary Prevention and Feed Hygiene, Faculty of Veterinary Medicine, University of Warmia and Mazury, Olsztyn, Poland
Janusz Strychalski
Department of Fur-bearing Animal Breeding and Game Management, Faculty of Animal Bioengineering, University of Warmia and Mazury, Olsztyn, Poland