厂商 :德州金利孵化养殖设备厂
山东 德州- 主营产品:
- 孵化机
- 孵化器
- 孵化设备
联系电话 :18553481559
商品详细描述
引起鸡的减蛋综合症的病毒是怎莫传播的
任何年龄的鸡均可感染,但产蛋高峰的鸡最易受感染,其中褐壳蛋品系产蛋鸡比白壳蛋品系更为严重。病毒的自然宿主是鸭、鹅和野禽,无临诊表现。病鸡通过粪便、鼻液等排出病毒,污染周围环境、饲料、饮水而传播疾病,人员和工具等也是传播疫病的媒介。
垂直传播:在种鸡体内病毒经受精卵垂直传播,病毒在鸡体卵巢内长期潜伏,直到鸡群感染率达50%时,初产受到各种应激且达产蛋高蜂时,病毒才会大量繁殖引起发病。
水平传播:病毒通过输卵管、粪便污染饲料![](http://imgupload.yihubaiying.com/imagestore20160709a41cf313-b72c-441b-98d8-b865ca79e044.jpg)
![](http://imgupload.yihubaiying.com/imagestore20160709926a0a1c-ab71-464a-bc17-403078f77662.jpg)
![](http://imgupload.yihubaiying.com/imagestore2016070786c9f474-0f0a-4c5c-bfb0-6562c0aaa225.jpg)
![](http://imgupload.yihubaiying.com/imagestore201607078e8db7bc-ec97-4e4e-9f68-928455a67c5d.jpg)
![](http://imgupload.yihubaiying.com/imagestore20160709e63704a5-84ff-4d9b-82ef-a752aee4894f.jpg)
![](http://imgupload.yihubaiying.com/imagestore2016070987f970e0-be85-46c8-ba4f-6941922c7523.jpg)
![](http://imgupload3.yihubaiying.com/imagestore20160707e969095f-ea4c-463f-84b6-de1912a4c47e.jpg)
和饮水等,经消化道使食鸡感染。这种传播是缓慢和间歇性的。
![](http://imgupload.yihubaiying.com/imagestore20160709a41cf313-b72c-441b-98d8-b865ca79e044.jpg)
![](http://imgupload.yihubaiying.com/imagestore20160709926a0a1c-ab71-464a-bc17-403078f77662.jpg)
![](http://imgupload.yihubaiying.com/imagestore2016070786c9f474-0f0a-4c5c-bfb0-6562c0aaa225.jpg)
![](http://imgupload.yihubaiying.com/imagestore201607078e8db7bc-ec97-4e4e-9f68-928455a67c5d.jpg)
![](http://imgupload.yihubaiying.com/imagestore20160709e63704a5-84ff-4d9b-82ef-a752aee4894f.jpg)
![](http://imgupload.yihubaiying.com/imagestore2016070987f970e0-be85-46c8-ba4f-6941922c7523.jpg)
![](http://imgupload3.yihubaiying.com/imagestore20160707e969095f-ea4c-463f-84b6-de1912a4c47e.jpg)
![](http://imgupload.yihubaiying.com/imagestore201607072cd544a8-2a00-464c-a63c-fd1baf743f18.jpg)
相关产品推荐