Tuberculosis

Description

A general term for diseases caused by the tuberculous group of bacteria, Mycobacteria species, including Mycobacterium bovis, Mycobacterium tuberculosis,Mycobacterium avium.

Bovine Tuberculosis

Avian Tuberculosis

• Grossly:
  • Yellowish spherical nodules
  • Caseous content
  • Fibrous capsule usually
• Histologically:
  • Granuloma
  • Central necrosis
  • Epitheliod and giant cells at periphery