Document Detail

The prevalence of laryngeal disease in a large population of competition draft horses.
MedLine Citation:
PMID:  16911159     Owner:  NLM     Status:  MEDLINE    
OBJECTIVES: (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-induced pulmonary hemorrhage (EIPH) in a population of draft performance horses.
STUDY DESIGN: Cross-sectional.
ANIMALS: Draft horses competing at the 2005 Michigan Great Lakes Draft Horse Show.
METHODS: 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.
RESULTS: 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.
CONCLUSIONS: 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.
CLINICAL RELEVANCE: Selection pressure for large, taller, longer-necked horses may be responsible for a seemingly increased incidence of ILH in competitive draft horses.
Jeffrey E Brakenhoff; Susan J Holcombe; Joe G Hauptman; Holly K Smith; Frank A Nickels; John P Caron
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Veterinary surgery : VS     Volume:  35     ISSN:  0161-3499     ISO Abbreviation:  Vet Surg     Publication Date:  2006 Aug 
Date Detail:
Created Date:  2006-08-16     Completed Date:  2006-10-02     Revised Date:  2011-04-25    
Medline Journal Info:
Nlm Unique ID:  8113214     Medline TA:  Vet Surg     Country:  United States    
Other Details:
Languages:  eng     Pagination:  579-83     Citation Subset:  IM    
Department of Large Animal Clinical Sciences and Small Animal Clinical Sciences, Michigan State University, East Lansing, 48824, USA.
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MeSH Terms
Cross-Sectional Studies
Endoscopy, Digestive System / methods,  veterinary*
Horse Diseases / epidemiology*,  genetics,  pathology
Inflammation / epidemiology,  genetics,  pathology,  veterinary
Laryngeal Diseases / epidemiology,  genetics,  pathology,  veterinary*
Mucus / secretion*
Risk Factors
Selection, Genetic*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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