Sweeney C R, Maxson A D, Soma L R
Department of Clinical Studies, New Bolton Center, School of Veterinary Medicine, Kennett Square, PA 19348-1692.
J Am Vet Med Assoc. 1991 Mar 15;198(6):1037-8.
The frequency of upper respiratory tract abnormalities was determined in a selected population of racing Thoroughbreds. The prevalence of pharyngeal lymphoid hyperplasia was 34.2%; left laryngeal hemiplegia was 1.8%; and epiglottic entrapment was 0.74%. Excluding pharyngeal lymphoid hyperplasia and tracheal exudate, 3.7% of the population examined had upper respiratory tract abnormalities.
在一组选定的纯种赛马中确定了上呼吸道异常的发生率。咽淋巴组织增生的患病率为34.2%；左侧喉偏瘫为1.8%；会厌陷入为0.74%。排除咽淋巴组织增生和气管渗出物，接受检查的马匹中有3.7%存在上呼吸道异常。
