Authors
Department of Ichthyopathology and Fish Health Protection, National Inland Fisheries Research Institute, Piaseczno, Poland
Joanna Małaczewska
Department of Microbiology and Clinical Immunology, Faculty of Veterinary Medicine, University of Warmia and Mazury in Olsztyn, Olsztyn, Poland
Rafał Grabowski
Pond Fishery Department, National Inland Fisheries Research Institute, Poland
Natalia Jędroszka
Pond Fishery Department, National Inland Fisheries Research Institute, Poland
Mohamed S. Hassaan
Department of Animal Production, Faculty of Agriculture, Moshtohor, Benha University, Benha, Egypt