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Cytologic abnormalities in horses with severe and mild-moderate asthma

Cytologic abnormalities in horses with severe and mild-moderate asthma

Cell Type

Normal

Severe Asthma

Mild-moderate Asthma

Neutrophils

< 5%

25%– 90%

> 10% – < 25%a

Mast cells

< 2%

typically < 2%

> 5%

Eosinophils

< 1%

typically < 1%

> 5%

a Couetil LL, Cardwell JM, Gerber V, et al. Inflammatory airway disease of horses - revised consensus statement. JVIM. 2016;30:503-515.