1. Trakia University , Faculty of Veterinary Medicine, Department of Animal Husbandry , Students Campus 2, Stara Zagora , Bulgaria , BG-6014
2. Trakia University , Faculty of Veterinary Medicine, Department of Pharmacology, Physiology of the Animals and Physiological Chemistry , Students Campus 2, Stara Zagora , Bulgaria , BG-6014
3. Istanbul University , Faculty of Aquatic Science, Department of Aquaculture and Fish Diseases , Ordu Street 200 , Istanbul , Turkey , TR-34134
4. Trakia University , Faculty of Agriculture, Department of Biology and Aquaculutre , Students Campus 2, Stara Zagora , Bulgaria , BG-6014