Necrobacillosis

• • Usually caused by Fusobacterium necrophorum with other bacteria
  • In sheep:
    • Ovine interdigital dermatitis
      • Acute necrotising dermatitis similar to benign footrot
    • Foot abscesses
      • Bulbular or lamellar
      • Mostly in wet conditions and in heavy sheep
  • In cattle:
    • Interdigital dermatitis and cellulitis
    • Caused by F. necrophorum and Bacteroides melaninogenicus
    • Predisposed by trauma
    • Grossly:
      • Fissures, necrotic swollen edges in interdigital spaces
      • Inflammation may spread to joint spaces