摘要
鸡群中发生了一种新的急性传染病 ,该病主要发生于幼龄雏鸡 ,主要特征为脓血痢疾和明显的肠道出血。发病率 10 0 % ,死亡率 3 84 %～ 33 3%。各种微生物学和血清学试验结果表明 ;该病由鲍氏志贺氏杆菌所引起 动物攻毒试验表明该菌对雏鸡具有很强的致病作用 ,症状和病理变化与自然病例表现相同 ,攻毒后 7d致死率分别达 5 0 %～10 0 %。药敏试验表明该菌对喹诺酮类药物和头孢类及其他抗生素类药物均敏感 。
A new acute infectious disease of flock was reported in China. The disease mainly occurred in young chickens characterized by a severe haemorrhagic dysentery edema and haemorrhage of the intestinal mucosa.The morbidity and the mortality in chickens caused by the disease reached 100 % and 3.84 %～33.3 %, separately. The results of the microbiology test and serotyping indicated that the agent of the disease belonges to boydii shigella.Experiment challenge shown that the organism had a strong pathogenicity to young chickens and caused the same clinical signs and cross lesion as did in natural cases,chickens attacked with the mortality of 50 %～(100 %) at 7 dpi.The antibiotic sensitivity test indicated that the isolate was highly sensitive to Quinolones,Cephalosporins and other rutenly used antibiotics,but midding sensitive to Streptomycin and ciprofloxacin etc.
出处
《中国预防兽医学报》
CAS
CSCD
北大核心
2004年第4期281-286,共6页
Chinese Journal of Preventive Veterinary Medicine
基金
国家"8 6 3"计划项目 (2 0 0 2AA2 4 2 0 2 1)
关键词
鸡
志贺氏菌病
病原特性
flock
shigellosis
pathogeny speciality
