Application Molecular Methods on Escherichia coli and Ornithobacterium rhinotracheale Infectious in Commercial Flocks of Southern Khorasan Province in Iran

摘要

Introduction:Ornithobacterium rhinotracheale (ORT) is a pleomorphic gram-negative Rod-shaped bacterium that has been isolated from chickens manifesting severe respiratory problems in many countries. ORT can be associated with high economic losses in poultry. Only 10 to 15% of Escherichia coli (E. Coli) intestinal coliforms are pathogenic (APEC). The aims of this study were the isolation of Ornithobacterium rhinotracheale and Escherichia coli from poultry and identification of the isolates by Polymerase chain reaction (PCR) for ORT and serology for E.