1. Department of Nutrition, Erbeyli Poultry Research Institute, Aydın, Turkey
2. Department of Animal Science, Faculty of Agriculture, Ege University, İzmir, Turkey
3. Adnan Menderes University, Koçarlı Vocational Scholl, Aydın, Turkey
4. Department of Biochemistry, Faculty of Veterinary, Balıkesir University, Balıkesir, Turkey
5. Chemistry Department, Adnan Menderes University, Aydın, Turkey