"Her life is changed," Whendy reports of Sunni. "There's no more coughing, she can breathe." For fellow owners of horses with these respiratory diseases, she urges: "Eventually, if you love your horses, you are going to have to steam their hay. Things won't get better without it."

“He always had a little trouble getting his breath,” explains Lee McKeever, McLain’s stable manager of 31 years and the FEI’s 2018 Groom of the Year. “Since getting the steamed hay, his breathing improved a lot: I’d say within five days of starting on it.”