Authors
Natalia Walczak
Department of Fish Diseases and Biology, Faculty of Veterinary Medicine, University of Life Sciences, Lublin, Poland
Krzysztof Puk
Department of Fish Diseases and Biology, Faculty of Veterinary Medicine, University of Life Sciences, Lublin, Poland
Leszek Guz
Department of Fish Diseases and Biology, Faculty of Veterinary Medicine, University of Life Sciences, Lublin, Poland