Authors
Tomasz Grenda
Department of Hygiene of Animal Feeding Stuffs, National Veterinary Research Institute, Puławy, Poland
Magdalena Goldsztejn
Department of Hygiene of Animal Feeding Stuffs, National Veterinary Research Institute, Puławy, Poland
Krzysztof Kwiatek
Department of Hygiene of Animal Feeding Stuffs, National Veterinary Research Institute, Puławy, Poland
Beata Kozak
Department of Hygiene of Animal Feeding Stuffs, National Veterinary Research Institute, Puławy, Poland
Anna Grenda
Department of Pneumology, Oncology and Allergology, Medical University of Lublin, Lublin, Poland