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Diagnostic checklist
for FMD
Bovine nasal discharge
Bovine mouth lesion
Bovine foot lesion
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Incubation period of 2 to 14 days
A dramatic drop in milk yield which precedes clinical
signs in dairy cows Clinical signs include all or some of the following:
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Pyrexia up to 41°C
Salivation Nasal discharge - serous, becoming mucopurulent after 2 to 3 days Vesicles on the tongue, lips, dental pad, inner aspects of cheeks Vesicles on the feet which often form slightly later than those on the tongue Vesicles on the teats and udders Acute lameness usually in more than one foot. Feet
are hot to the touch and palpation is resented 'Chomping' of the jaw and grinding of teeth due to
pain in the mouth
There may be mortality in young animals due to myocarditis Morbidity is usually extremely high but mortality low Although animals will generally recover from the acute
clinical phase of the disease there may be permanent loss of performance A large proportion of cattle will go on to become persistently
infected carriers of FMD.
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