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鸡大肠杆菌病的诊断的病因

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鸡大肠杆菌病的诊断的病因

发布日期:2015-12-01 14:13 来源:http://www.zdslgs.com 点击:

(1)初生鸡脐炎,俗称“大肚脐”。其中多数与大肠杆菌有关。病雏精神沉郁,少食或不食,腹部大,脐孔及其周围皮肤发红,水肿。此种病雏多在一周内死亡或淘汰。另一种表现为下痢,除精神、食欲差,可见排出泥土样粪便,病雏1-2天内死亡。育雏期大肠杆菌病,原发感染比较少见,多由继发和混合感染所致;尤其是当雏鸡阶段发生鸡传染性法氏囊病的过程中,或因饲养管理不当引起鸡慢性呼吸道疾病时常有本病发生。

(1) primary chicken omphalitis, commonly known as the "navel". Most of them were related to e.. The young depressed disease, eat or not eat, abdomen, navel and surrounding skin redness, edema. The disease is dead or eliminated in a week. Another expression for diarrhea, in addition to the spirit, poor appetite, visible discharge soil like feces, infected chickens death 1-2 days. The primary infection is rare, especially in the process of chicken infectious bursa disease, or because of improper feeding and management of chicken chronic respiratory diseases.

(2)育成鸡发病情况大致同雏鸡。

(2) the incidence of the chicken is roughly the same as the chicken.

(3)产蛋鸡发病,多是由于饲养管理粗放、环境污染严重或正值潮湿雨季而引起。一般以原发为主,也见继发于其它疾病。鸡群主要表现为:产蛋率低,产蛋高峰维持时间短,死淘率增加。个体临床表现有如鸡冠萎缩、下痢、食欲下降等。

(3) the incidence of laying hens, due to the extensive feeding and management, environmental pollution is serious or due to the wet rainy season and cause. General primary and secondary to other diseases. The main performance is: the low rate of egg production, egg laying peak maintenance time is short, the death rate increases. Individual clinical manifestations such as comb, diarrhea, loss of appetite and other atrophy.


相关标签:种鸡料

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