• Black leg:
    • Acute disease of cattle and sheep
    • Endogenous infection in young cattle with latent spores in muscles, activated by trauma
    • Exogenous infection via wounds in sheep of any age
    • Gangrenous cellulitis and myositis caused by exotoxins leads to rapid death
    • Skeletal muscle damage with lameness, swelling and crepitus due to gas accumulation
    • Dyspnoea due to lesions in tongue and throat muscles
    • Myocardial and diaphragmatic lesions can cause sudden death
    • Fluorescent antibody test for diagnosis
  • Causes gas gangrene, along with Clostridium septicum