1. Faculty of Veterinary Medicine, Department of Biochemistry, Van Yuzuncu Yil University, Van, Turkey;
2. Faculty of Veterinary Medicine, Department of Biochemistry, Siirt University, Siirt, Turkey;
3. Vocational School of Health Services, Van Yuzuncu Yil University, Van, Turkey;
4. Faculty of Veterinary Medicine, Department of Pathology, Atatürk University, Erzurum, Turkey