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安大略肉牛血清中溶血巴斯德氏菌细胞毒素中和活性

Pasteurella haemolytica cytotoxin neutralizing activity in sera from Ontario beef cattle.

作者信息

Shewen P E, Wilkie B N

出版信息

Can J Comp Med. 1983 Oct;47(4):497-8.

Abstract

A random sample of sera obtained from cattle necropsied as part of the Bruce County Beef Project in 1980-81 was assayed for the ability to neutralize the cytotoxin of Pasteurella haemolytica A1. Cattle dying of fibrinous pneumonia had significantly lower neutralizing activity in serum than cattle which died for reasons other than pneumonia. Activity in pneumonic cattle was also lower than the mean of twelve samples randomly chosen from sera of cattle bled on entry to feedlots in the fall of 1979. A role for the toxin neutralizing response in resistance to pneumonic pasteurellosis is proposed.

摘要

从作为1980 - 1981年布鲁斯县牛肉项目一部分进行尸检的牛身上获取的血清随机样本,被检测了中和溶血巴斯德氏菌A1细胞毒素的能力。死于纤维素性肺炎的牛血清中的中和活性显著低于因肺炎以外原因死亡的牛。患肺炎牛的血清活性也低于1979年秋季进入饲养场时随机抽取的12份牛血清样本的平均值。本文提出了毒素中和反应在抵抗肺炎巴氏杆菌病中的作用。

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