Laminitis is defined as an inflammation of the sensitive laminae of the hoof, especially in horses. It has been surprisingly found that fructanases such as 2,1-β-D-fructan hydrolase are highly effective as therapeutic and prophylactic agents against laminitis in horses. The fructanases may be used as enzyme compositions in horse feed, as additives for horse feed or as oral preparations for the therapy and prophylaxis of laminitis. Because of its effectiveness in hydrolyzing fructans, which seem to play an important role in the aetiology of laminitis, the administration of fructanases in combination with an increased intake of fructans or with an increased availability of fructans is particularly advantageous.
