1. Department of Ichthyology, Hydrobiology, and Aquatic Ecology Stanislaw Sakowicz Inland Fisheries Institute Olsztyn Poland
2. Aquaculture Division, Fish Nutrition Research Laboratory National Institute of Oceanography and Fisheries (NIOF) Cairo Egypt
3. Chair of Commodity and Food Analysis University of Warmia and Mazury Olsztyn Poland
4. Department of Epizootiology, Faculty of Veterinary Medicine University of Warmia and Mazury Olsztyn Poland
5. Department of Ichthyobiology and Fisheries, Faculty of Animal Science Warsaw University of Life Sciences Warsaw Poland
6. Department of Microbiology and Clinical Immunology, Faculty of Veterinary Medicine University of Warmia and Mazury Olsztyn Poland
7. Department of Fish Pathology and Immunology Stanislaw Sakowicz Inland Fisheries Institute Olsztyn Poland