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A number of air quality factors in barns can make it harder for your horse to breathe, compromising his health and performance. How can you keep your barn’s air clean and your horse’s respiratory system healthy?

About the Experts:

Dorothy Ainsworth


Dr. Dorothy AinsworthDorothy Ainsworth, DVM, PhD (respiratory and exercise physiology), is a professor of medicine in the Department of Clinical Sciences at Cornell University. Her research interests include equine pulmonary (lung) disease and neonatal infectious disorders.

Melissa Mazan


Dr. Melissa MazanMelissa Mazan, DVM, Dipl. ACVIM, is an associate professor and director of the Equine Sports Medicine program at the Cummings School of Veterinary Medicine’s Hospital for Large Animals (Tufts University). Lung function, she notes, is essential to an equine athlete’s success, and optimizing performance for competing horses is an important goal of hers. Mazan has extensive experience in the area of equine inflammatory airway disease, which affects up to 80% of stabled horses.