Affiliation: | (1) Department of Clinical Science, Faculty of Veterinary Medicine, University of Tehran, P.O. Box 14155-6453, Tehran, Iran;(2) Department of Clinical Science, School of Veterinary Medicine, Ferdowsi University of Mashhad, Mashhad, Iran;(3) Department of Pathobiology, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran;(4) Present address: Mohasses Ostrich Farm, Tehran, Iran |