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首页> 外文期刊>Tropical Animal Health and Production >Comparative study on responses of cattle and water buffalo (Bubalus bubalis) to experimental inoculation of Brucella abortus biovar 1 by the intraconjunctival routea preliminary report
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Comparative study on responses of cattle and water buffalo (Bubalus bubalis) to experimental inoculation of Brucella abortus biovar 1 by the intraconjunctival routea preliminary report

机译：结膜内途径对牛和水牛（Bubalus bubalis）对流产布鲁氏菌biovar 1实验接种的反应的比较研究

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摘要

The preliminary study was conducted to assess the virulence of a strain of Brucella abortus (1969D) and to compare the susceptibility of water buffalo and cattle calves to infection by the intraconjunctival route. Seven of each cattle and water buffalo (Bubalus bubalis) calves aged 3-6 months were inoculated intraconjunctivally with counts ranging from 1.5c10" to 1.7c10p# colony forming units of B. abortus. Animals were monitored over an 8-week period for clinical manifestations and serological and hematological evidence of infection. At slaughter, eight lymph nodes from each animal were sampled for bacteriological and histopathological assessments. Lymph nodes from three water buffalo (43%) and five cattle (71%) yielded B. abortus (P=0.048). Parotid/prescapular lymph nodes were most sensitive in detecting B. abortus. Our data suggest that B. abortus strain 1969D may be used as challenge strain, and water buffalo appeared to have a lower susceptibility to B. abortus infection than cattle.
机译：进行了初步研究，以评估一株流产布鲁氏菌的毒力（1969D），并比较水牛和牛犊对结膜内途径感染的敏感性。结膜内接种3-6个月大的每头牛和水牛（Bubalus bubalis）小牛7只，计数范围为1.5c10“至1.7c10p＃流产布鲁氏菌菌落形成单位。在整个8周的时间内对动物进行监测表现，感染的血清学和血液学证据。在屠宰时，从每只动物的八个淋巴结中取样进行细菌学和组织病理学评估;三个水牛（43％）和五个牛（71％）的淋巴结产生了流产双歧杆菌（P = 0.048）。腮腺/肩cap前淋巴结对流产双歧杆菌的检测最为敏感，我们的数据表明流产双歧杆菌1969D可作为挑战菌株，水牛对流产双歧杆菌的感染性比牛低。

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