Factors about avian colibacilloisis artificial infection in chickens
2005
Zhou Xiuhong, Qi Kezong, Zhang Lixia
Chinese. 选择适宜的攻毒剂量和攻毒途径,诱发淮南麻黄鸡大肠杆菌病。将4周龄淮南麻黄鸡80羽随机平均分成4组,分别经滴口滴鼻、皮下注射、肌肉注射接种,用不同稀释度的大肠杆菌O1、O2、O78混合菌悬液攻毒,观察攻毒结果并统计死亡情况,同时设定空白对照组。结果表明,不同攻毒途径对致病性有明显影响,肌肉注射致病性最强,皮下注射次之,滴鼻滴口最弱。不同攻毒途径所需的攻毒剂量各不相同,肌肉注射所需的剂量较小,皮下注射所需的剂量较大,而滴鼻滴口所需的剂量更大且不易成功。还对不同攻毒途径致病性差异的原因进行了探讨。
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