Fig. 1From: Upper and lower respiratory tract microbiota in horses: bacterial communities associated with health and mild asthma (inflammatory airway disease) and effects of dexamethasoneRepresentation of protocol and treatment group allocation. Horses (n = 13) were allocated into two groups on the basis of their bronchoalveolar lavage (BAL); healthy horses (n = 6) with a normal BAL, and horses with inflammatory airway disease (IAD, n = 7) with an inflammatory BALBack to article page