Clinical Cases:

Definition: A disease affect all Species of poultry Especially Chicken and Turkey Characterized by Respiratory Diseases Signs

Cause: Ornithobacterium Rhinotraculitis (Gram -ve bacteria – Rod shape – Non sporulated form – Non motile – Highly pleomorphic – Catalase -ve – Oxidase +ve)

Signs:

• Increase mortality
• Decrease growth
• Respiratory distress
• Facial edema
• Drop in egg production

P.M lesions:

• Air saculitis with foamy,white exudate in air sacs
• Pneumonia (Unilateral)
• Pericarditis
• Perihepatitis

Transmission:

• Horizontal by direct or indirect contact
• Ingestion or inhalation

Lab Diagnosis:

1. Media: 5-10% Sheep blood agar or Tryptose soya agar or Chocolate agar)
2. Temperature: 37 c for 24-48 hours
3. Identification: Very small colonies -Non hemolytic -Circular -Gray to grayish white color

Treatment: Amoxycillin