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Abstract Background Severe asthma in horses, known as severe equine asthma (SEA), is a prevalent, performance‐limiting disease associated with increased allergen‐specific immunoglobulin E (IgE) against a range of env...

Abstract Background Prolonged exposure to environmental antigens or allergens elicits an immune response in both healthy horses and those with mild asthma. Corticosteroids often are used to treat lower airway inflammatio...

Abstract Background Mild asthma in horses decreases racing performance and impairs gas exchange. The efficacy of treatment on performance is unknown. Hypothesis Treatment targeting lung inflammation improves V˙O2peak in...

Abstract Background Equine asthma (EA) causes airflow impairment, which increases in severity with exercise. Electrical impedance tomography (EIT) is an imaging technique that can detect airflow changes in standing healt...

Abstract Background Asthma in horses is associated with nonspecific respiratory clinical signs and may be manifested only as exercise intolerance. Its diagnosis relies on bronchoalveolar lavage fluid (BALF) cytology in t...

Abstract Background A study reported low systemic availability of injectable dexamethasone nebulized to healthy horses using the Flexineb mask. When used in horses with severe asthma and a different nebulizer, lack of ef...

Abstract Background The diagnostic value of allergen‐specific immunoglobulin E (IgE) in horses with asthma is uncertain. A recently developed protein microarray detected abnormally high latex‐specific IgE concentrati...

Abstract Background There are limited data on potential dysbiosis of the airway microbiota in horses with asthma. Hypothesis/Objectives We hypothesized that the respiratory microbiota of horses with moderate asthma is al...

Abstract Background Mild‐moderate asthma is common in horses. Inhaled ciclesonide has been approved only for treatment of severe asthma in horses. Hypothesis/Objectives We hypothesized that a 10‐day treatment course ...

Abstract Background Prognostic indicators for equine multinodular pulmonary fibrosis (EMPF), an interstitial fibrosing lung disease, are poorly described. Hypothesis/Objectives Describe diagnostic findings and outcome pr...

Abstract Background Racehorses commonly develop evidence of mild asthma in response to dust exposure. Diets deficient in omega‐3 polyunsaturated fatty acids (Ω‐3) might exacerbate this response. Hypothesis To compar...

Background Heaves is a severe debilitating condition of horses, characterized by lower airway inflammation and permanent structural changes of the bronchial wall. Chronic inflammation promotes the formation of new vessel...