Introduction
An infection of turkeys caused by an unidentified virus. Morbidity varies, mortality is 1-25%. Transmission may be by direct or indirect contact and possibly vertical. Birds remain carriers for up to 16 days.
Signs
- Signs are usually subclinical.
- Depression and sporadic deaths in birds in good condition.
Post-mortem lesions
- Grey foci (c. 1 mm) coalescing.
- Congestion.
- Focal haemorrhage.
- Bile staining.
- Grey to pink foci in the pancreas.
- Microscopically – no inclusion bodies.
Diagnosis
Isolation in CE, lesions pathognomonic. Differentiate from histomonosis, bacterial and fungal infections.
Treatment
None; with good management many birds recover.
Prevention
Good sanitation and management.