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Infectious Bronchitis and Mixed Infections of Mycoplasma synoviae and Escherichia coli in Gnotobiotic Chickens I. Synergistic Role in the Airsacculitis Syndrome

机译:灵长类鸡的传染性支气管炎和支原体支原体和大肠杆菌的混合感染I.在气膜炎综合征中的协同作用

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摘要

The synergistic role of infectious bronchitis virus (IBV) and mixed infections of Mycoplasma synoviae (MS) and Escherichia coli (EC) in the airsacculitis syndrome was evaluated in gnotobiotic chickens. Relative air sac lesion score indexes, in descending order of severity, from various combinations of organisms were: 9.5—IBV, MS, EC; 6.8—IBV, EC; 4.5—IBV, MS; 2.7—IBV; and 0.5—MS, EC. Infectious bronchitis virus caused a mild fibrinous inflammation. M. synoviae combined with IBV increased heterophilic and follicular lymphoid infiltration and mortality. E. coli combined with IBV increased exudation and prolonged airsacculitis. Concentrations of fibrinogen, gamma globulin, and total plasma proteins were elevated significantly by combined infections of IBV, MS, and EC (P < 0.01).
机译:在易感性鸡中评估了传染性支气管炎病毒(IBV)和滑膜支原体(MS)和大肠杆菌(EC)混合感染在气囊炎综合征中的协同作用。来自各种生物组合的相对气囊损伤评分指数,按严重程度从高到低依次为:9.5-IBV,MS,EC; 6.8—IBV,EC; 4.5—IBV,MS; 2.7—IBV;和0.5-MS,EC。传染性支气管炎病毒引起轻度纤维化炎症。滑膜支原体与IBV的结合增加了嗜异性和滤泡性淋巴样浸润和死亡率。大肠杆菌与IBV结合会增加渗出和延长气肿炎。 IBV,MS和EC的合并感染显着提高了血纤蛋白原,γ球蛋白和总血浆蛋白的浓度(P <0.01)。

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