1. Faculty of Veterinary Medicine; Department of Reproduction and Artificial Insemination; Atatürk University; Erzurum Turkey
2. Faculty of Veterinary Medicine; Department of Pharmacology; Atatürk University; Erzurum Turkey
3. Faculty of Medicine; Department of Histology; Kafkas University; Kars Turkey
4. Faculty of Veterinary Medicine; Department of Biochemistry; Atatürk University; Erzurum Turkey
5. Faculty of Medicine; Biochemistry Laboratories; Atatürk University; Erzurum Turkey