病鸡精神沉郁、呼吸困难、流黏液性鼻液。眼排浆液性分泌物，有时腹泻、便血。病鸡剖检可见

发布时间：2017-06-04 08:07 │ 来源：www.tikuol.com

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问题：

病鸡精神沉郁、呼吸困难、流黏液性鼻液。眼排浆液性分泌物，有时腹泻、便血。病鸡剖检可见心、肝、肺、肾等器官上有灰白色小坏死灶，腔上囊萎缩，内积有黏液或气体。未见喉头或肺泡内有虫体出现。取病鸡肝、脾组织，接种于培养基上无细菌生长，则本病应该考虑为( )。

A．气管比翼线虫

B．球虫病

C．隐孢子虫病

D．嗜眼吸虫病

E．沙门氏菌病

考点：执业兽医师兽医寄生虫

题型：单项选择题

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落锤式弯沉仪测定弯沉结果可用于（）。

A、调查水泥混凝土路面接缝传荷能力

B、探察路面板下空洞

C、计算CBR值

D、反算路面材料静态弹性模量

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机械式燃油喷射的特点在于只要发动机运转，喷油器就连续不停的喷油。

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主动脉瓣关闭不全时可有以下周围血管征

A．交替脉

B．水冲脉

C．重搏脉

D．无脉

E．奇脉

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由于12指肠炎性肿胀，影响胆汁的正常排出，可引起可视粘膜黄染。

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