中文摘要：

目的：通过鸡传染性喉气管炎病理组织学实验观察,发现鸡传染性喉气管炎在组织学上的病理变化,为该病引起的组织学病理变化和发病过程提供研究资料.方法：从疑似感染鸡传染性喉气管炎的病鸡中选取5只,运用实验室方法进行确诊,对其气管和喉结进行采样,制作石蜡切片,使用H.E.染色方法进行染色,并观察病理组织学变化.同时,使用5只健康鸡的相同部位做对照.结果：鸡感染传染性喉气管炎病毒后,气管和喉结组织结构有明显的脱落、肿大、膨胀情况,并伴有炎性侵润.喉结粘膜上皮细胞间变得疏松,破坏了原有腺体结构.

英文摘要：

Objective：To find the pathological changes of chicken laryngotracheitis by comparing of his- topathology, and to provide data for researching pathological process. Methods： The trachea and prominentia laryngea were sampled from 5 suspected chickens infected by laryngotracheitis virus. The histological sections were made. H＆E dyeing was applied. The pathological histology observations were performed. Meanwhile, 5 healthy chickens were used as normal control. Results： After the chickens were infected by avian infectious laryngotracheitis virus, the trachea and laryngeal promi- nence tissues had obvious cell necrosis, swollen, expansion, fall off and with inflammatory invasive- ness. The mucosal epithelium cells of prominentia laryngea became loose, the original structure of glands was destroyed.