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Krzysztof Wojtas
Department of Environmental Hygiene and Animal Welfare, Faculty of Biology and Animal Sciences,
Wroclaw University of Environmental and Life SciencesWroclaw, Poland
Przemysław Cwynar
Department of Environmental Hygiene and Animal Welfare, Faculty of Biology and Animal Sciences,
Wroclaw University of Environmental and Life SciencesWroclaw, Poland
Roman Kołacz
Department of Environmental Hygiene and Animal Welfare, Faculty of Biology and Animal Sciences,
Wroclaw University of Environmental and Life SciencesWroclaw, Poland