Authors
Elżbieta Kukier
Department of Hygiene of Feedingstuffs, National Veterinary Research Institute, Pulawy, Poland
Magdalena Goldsztejn
Department of Hygiene of Feedingstuffs, National Veterinary Research Institute, Pulawy, Poland
Tomasz Grenda
Department of Hygiene of Feedingstuffs, National Veterinary Research Institute, Pulawy, Poland
Krzysztof Kwiatek
Department of Hygiene of Feedingstuffs, National Veterinary Research Institute, Pulawy, Poland
Dariusz Wasyl
Department of Microbiology, National Veterinary Research Institute, Pulawy, Poland
Andrzej Hoszowski
Department of Microbiology, National Veterinary Research Institute, Pulawy, Poland