This work is licensed under the Creative Commons Attribution 4.0 International License.
Ryszard Mordak
Department of Internal Medicine, Faculty of Veterinary Medicine,
Wrocław University of Environmental and Life SciencesWrocław, Poland
Zbigniew Dobrzański
Department of Environmental Hygiene and Animal Welfare, Faculty of Biology and Animal Science,
Wrocław University of Environmental and Life SciencesWroclaw, Poland
Robert Kupczyński
Department of Environmental Hygiene and Animal Welfare, Faculty of Biology and Animal Science,
Wrocław University of Environmental and Life SciencesWroclaw, Poland