646 bytes added ,  12:21, 20 July 2008
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*Salmon-pink mucoid colonies due to capsule and pigment production
 
*Salmon-pink mucoid colonies due to capsule and pigment production
 
*No haemolysis on blood agar
 
*No haemolysis on blood agar
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*No growth on MacConkey agar
 
*Aerobic, non-motile
 
*Aerobic, non-motile
 
*CAMP test-positive
 
*CAMP test-positive
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*Subcutaneous abscesses and mediastinal granulomas in cats
 
*Subcutaneous abscesses and mediastinal granulomas in cats
 
*Pneumonia in HIV patients
 
*Pneumonia in HIV patients
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===Diagnosis===
 
===Diagnosis===
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*History of disease on the farm, age of foals affected and clinical signs
 
*History of disease on the farm, age of foals affected and clinical signs
 
*Auscultation and rediography of thorax confirms pulmonary disease
 
*Auscultation and rediography of thorax confirms pulmonary disease
*
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*Specimens: tracheal aspirates and pus from lesions
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*Culture aerobically on blood and MacConkey agar for 24-48 hours
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*Colony characteristics and biochemical profile
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*Quantitative faecal culture on selective media
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===Treatment/control===
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*Oral rifampin and erythromycin for 4-10 weeks
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*Rehydration therapy; bronchodilators; expectorants
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*Prevent build-up of bacteria in environment by removing manure from pastures regularly and rotating foals and mares onto clean pastures regularly
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*Dusty conditions in paddocks should be avoided
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*Hyperimmune serum from the dam may be given to the foal in the first month of life
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