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Foot and Mouth Disease (FMD)

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"last update: 15 May 2025                                                                                                             Download Guideline

- Clinical Signs

The incubation period of FMD typically ranges from 2 to 14 days. Clinical signs vary among species:

Cattle:

  • High fever (lasting 2-3 days)
  • Blisters (vesicles) on the tongue, lips, gums, teats, and between the hooves
  • Excessive salivation (roby) and drooling
  • Lameness and reluctance to move
  • Reduced milk production
  • Loss of appetite and weight loss


Ulceration of muzzle in buffalo


Ulceration of interdigital space


Roby salivation  in a cow


Ulceration of oral mucosa


Massive oral salivation in a buffalo


Rapid spread of FMD in large ruminant farm

Sheep and goats: Often subclinical or mild, though vesicles on the feet and oral mucosa may occur.