Prevalence of phayngeal, laryngeal, and tracheal disorders in thoroughbred racehorses, and effect on performance
Saulez, M.N., and Gummow, B. (2009) Prevalence of phayngeal, laryngeal, and tracheal disorders in thoroughbred racehorses, and effect on performance. Veterinary Record, 165 (15). pp. 431-435.
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Endoscopic examinations were performed on 1005 thoroughbred racehorses in South Africa a mean (sd) 24 (12·3) minutes after racing, to determine the prevalence of pharyngeal, laryngeal and tracheal disorders, and to determine the relationship of these disorders with performance (number of wins and placed finishes). Overall, there was a low prevalence of grade 2 and 3 laryngeal function (LF) (2·2 per cent), grade 4 LF (0·6 per cent), epiglottic entrapment (1·3 per cent), subepiglottic cyst (0·2 per cent) and epiglottic deformity (0·6 per cent), while a higher prevalence of grade 2 to 4 pharyngeal lymphoid hyperplasia (PLH) (63 per cent), laryngeal debris (43·5 per cent), tracheal debris (21·9 per cent), tracheal mucus (99·5 per cent) and tracheal cartilaginous nodules (TCNs) (6·8 per cent) was observed. Performance was not affected by the presence of epiglottic deformity, grade 2 and 3 LF, grade 4 LF, debris within the trachea or larynx, or epiglottic entrapment. Grade 3 PLH occurred in younger racehorses; performance was impaired in horses with grade 2 and 3 PLH. Furthermore, TCNs were more prevalent in male racehorses and were associated with better performance.
|Item Type:||Article (Refereed Research - C1)|
|FoR Codes:||07 AGRICULTURAL AND VETERINARY SCIENCES > 0707 Veterinary Sciences > 070706 Veterinary Medicine @ 70%|
07 AGRICULTURAL AND VETERINARY SCIENCES > 0707 Veterinary Sciences > 070704 Veterinary Epidemiology @ 30%
|SEO Codes:||97 EXPANDING KNOWLEDGE > 970107 Expanding Knowledge in the Agricultural and Veterinary Sciences @ 100%|
|Deposited On:||01 Apr 2010 13:18|
|Last Modified:||13 Feb 2011 00:14|
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