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ThePigSite Quick Disease Guide
Contents of Quick Disease Guide
Pasteurellosis (Pasteurella multocidia)
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Non-toxin-producing strains of Pasteurella multocidia bacteria are commonly involved in respiratory disease in pigs. They can cause pneumonia in their own right but are usually secondary opportunist invaders associated with primary EP or PRRS infections. The condition usually affects pigs between 10 and 18 weeks of age and rarely sows and sucking pigs unless as secondary bacteria following the introduction of a new pathogen..
Acute disease is characterised by:
Symptoms
Sows & Piglets- Rare
Acute disease is characterised by:
- Severe sudden pneumonia affecting all the lung tissue.
- High temperatures.
- Discharges from the nose.
- High mortality.
- Pigs show rapid breathing.
- Blue discoloured skin particularly on the extremities of the ears (caused by toxins or heart sac infections).
- Pneumonia which is less severe but often complicated by heart sac inflammation and pleurisy.
- Coughing.
- Discharges from the nose.
- Emaciation. Poor body condition / wasting.
- Increased mortality.
Causes / Contributing factors
- Concurrent disease such as PRRS, Flu and EP predispose.
Diagnosis
This is carried out by post-mortem examination and isolation of the organism from the lungs.
