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== Diagnosis  ==
 
== Diagnosis  ==
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History of the disease on the farm, age of foals and clinical signs are used to make a presumptive diagnosis. Auscultation and radiography of thorax confirms pulmonary disease.  
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History of the disease on the farm, age of foals and clinical signs are used to make a presumptive diagnosis. Auscultation and radiography of thorax confirms pulmonary disease. Sonography of the lung shows small abscesses close to pleura in a very early stage, even before clinical signs can be seen. WBC is rising in an early stage, too.  
 
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Samples of tracheal aspirates and pus from lesions need to be taken and cultured aerobically on blood and MacConkey agar for 24-48 hours. Characteristic salmon-pink mucoid colonies grow, due to capsule and pigment production. 
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Samples of tracheal aspirates and pus from lesions need to be taken and cultured aerobically on blood and MacConkey agar for 24-48 hours. Characteristic salmon-pink mucoid colonies grow, due to capsule and pigment production. 
    
== Treatment and Control  ==
 
== Treatment and Control  ==
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