1. Department of Surgery, Higher National Veterinary School, Algiers, Algeria; Research Laboratory Management of Local Animal Resources (GRAL), Higher National Veterinary School, Algiers, Algeria.
2. Department of Clinic, Higher National Veterinary School, Algiers, Algeria.
3. Research Laboratory Management of Local Animal Resources (GRAL), Higher National Veterinary School, Algiers, Algeria; Department of Clinic, Higher National Veterinary School, Algiers, Algeria.
4. Department of Surgery, Higher National Veterinary School, Algiers, Algeria.