{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,11,3]],"date-time":"2026-11-03T14:48:23Z","timestamp":1793717303272,"version":"4.6.1"},"reference-count":29,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2006,8,3]],"date-time":"2006-08-03T00:00:00Z","timestamp":1154563200000},"content-version":"vor","delay-in-days":2,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Veterinary Surgery"],"published-print":{"date-parts":[[2006,8]]},"abstract":"<jats:p><jats:bold>Objectives\u2014<\/jats:bold>(1) To determine the effect of age, height, weight, breed, sex, and specific use on the prevalence of idiopathic left laryngeal hemiplegia (ILH) in a population of draft performance horses; (2) to determine the association between tracheal mucus and laryngeal dysfunction, and the prevalence of exercise\u2010induced pulmonary hemorrhage (EIPH) in a population of draft performance horses.<\/jats:p><jats:p><jats:bold>Study Design\u2014<\/jats:bold>Cross\u2010sectional.<\/jats:p><jats:p><jats:bold>Animals\u2014<\/jats:bold>Draft horses competing at the 2005 Michigan Great Lakes Draft Horse Show.<\/jats:p><jats:p><jats:bold>Methods\u2014<\/jats:bold>Endoscopic examinations were performed on horses competing at the 2005 Michigan Great Lakes Draft Horse Show. Signalment, height, and weight were obtained from the owners and trainers.<\/jats:p><jats:p><jats:bold>Results\u2014<\/jats:bold>Belgian, Percheron, and Clydesdale horses (n=183) were studied. Prevalence of ILH was 35%. Horse height was significantly associated with the risk of ILH in Belgian and Percheron horses but not Clydesdales. There was a significantly different prevalence of ILH among the breeds such that 42% Belgians, 31% Percherons, and 17% Clydesdales were affected. Laryngeal disease was a risk factor for increased tracheal mucus. None of the horses had acute evidence of EIPH.<\/jats:p><jats:p><jats:bold>Conclusions\u2014<\/jats:bold>The prevalence of ILH in draft horses has increased or is higher in competition horses compared with previously studied groups. Tracheal and\/or pulmonary inflammation may be more common in draft horses with ILH based on our findings that horses with ILH have more tracheal mucus than horses with normal laryngeal function.<\/jats:p><jats:p><jats:bold>Clinical Relevance\u2014<\/jats:bold>Selection pressure for large, taller, longer\u2010necked horses may be responsible for a seemingly increased incidence of ILH in competitive draft horses.<\/jats:p>","DOI":"10.1111\/j.1532-950x.2006.00192.x","type":"journal-article","created":{"date-parts":[[2006,8,3]],"date-time":"2006-08-03T09:38:29Z","timestamp":1154597909000},"page":"579-583","source":"Crossref","is-referenced-by-count":63,"title":["The Prevalence of Laryngeal Disease in a Large Population of Competition Draft Horses"],"prefix":"10.1111","volume":"35","author":[{"given":"JEFFREY E.","family":"BRAKENHOFF","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"SUSAN 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