Forough Mokhtari, Department of Pathobiology, Faculty of Veterinary medicine, Shahrekord University, Shahrekord, Iran, Azam Mokhtari, Department of Pathobiology, Faculty of Veterinary medicine, Shahrekord University, Shahrekord, Iran, Mohammadreza Mahzounieh, Department of Pathobiology, Faculty of Veterinary medicine, Shahrekord University, Shahrekord, Iran, Somayeh Shahrokh Shahraki, Department of Pathobiology, Faculty of Veterinary medicine, Shahrekord University, Shahrekord, Iran, Somayeh Gheisarbegi, Department of Pathobiology, Faculty of Veterinary medicine, Shahrekord University, Shahrekord, Iran