Prevalence study of Pseudomonas aeruginosa septicemia in broiler in Mazandaran

Pseudomonas aeruginosa is the most common avian pathogens can cause localized or systemic diseases in young and growing poultry. Morbidity and mortality varies from 2 to 100%, but more commonly about 2-12% with greatest losses in very young birds. The disease occurred in 6-10 days-old ross broiler chickens. Clinical signs showed sleepy appearance, closed eyes, mild keratitis and catarrhal rhinitis. Gross lesions revealed airsacculitis, congestion and swollen of kidneys with deposition of ureats in the urters and proctitis. The disease morbidity and mortality rates were 16.2% and 6%, respectively. Microbial culture was determined motile and Gramnegative bacteria, suspected greenish colonies, smell like fruity and beta hemolysis on blood agar. Consequently, we suspected to Pseudomoniasis after culture and clinical signs finding. These isolates were transmitted to the department of microbiology, faculty of veterinary medicine, university of Tehran and all isolates were identified by microbiological phenotypic characteristics with conventional methods and Pseudomonas aeruginosa was finally diagnosed.