目的：探讨大肠杆菌内毒素致仔鸭发热反应模型。

Purpose: to study model of duck on fever induced by colon bacillus endotoxin.

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制备出鸡抗大肠杆菌内毒素卵黄抗体，对卵黄抗体的变化规律进行了研究；

To prepare Yolk Immunoglobulin(IgY), study the change rule of anti-endotoxin IgY and the passive protective effect of IgY against EHECO.

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利用静脉注射大肠杆菌内毒素及肌肉注射甲基强的松龙，建立兔onf动物模型。

Intravenous injection with endotoxin of E. coli and intramuscular injection with methylprednisolone were used to establish the ONF rabbit model.

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