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A serological survey of Akabane virus infection in cattle and sheep in northwest China

机译：中国西北地区牛和绵羊赤羽病毒感染的血清学调查

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Purpose: Akabane disease characterized mainly by fetal damage is a ruminant disease caused by insect-transmitted Akabane virus infection. Methods: We investigated Akabane disease using serum neutralization tests in 446 blood samples collected from 187 cattle and 259 sheep of Xinjiang province, northwest China. Results: (1) The overall prevalence rate of neutralizing antibody was 19.06% (85/446), (2) the prevalence rates of Akabane disease in cattle and sheep were 20.32% (38/187) and 18.15% (47/259), respectively, (3) the disease prevalence rates were not significantly different between cattle and sheep, but significantly different among samples collected from different sampling months, (4) the disease was most prevalent in July when mosquitoes and culicoides were most active, and (5) the disease prevalence rates were significantly different between individuals with abortion experience and without abortion experience (P<0.05), suggesting that Akabane virus infection may significantly increase abortion risk in cattle and sheep. Conclusions: To our knowledge, this is the first report confirming that Akabane virus infection is common in cattle and sheep of Xinjiang province, northwest China and providing useful epidemiological information for cattle and sheep abortion prevention and control.Digital Object Identifier http://dx.doi.org/10.1007/s11250-012-0168-3
机译：目的：主要以胎儿损伤为特征的赤羽疾病是由昆虫传播的赤羽病毒感染引起的反刍动物疾病。方法：我们使用血清中和试验，从中国西北新疆的187头牛和259头绵羊的446份血液样本中调查了赤羽病。结果：（1）中和抗体的总体患病率为19.06％（85/446），（2）牛和绵羊赤羽病的患病率为20.32％（38/187）和18.15％（47/259） （3）牛和绵羊之间的疾病流行率没有显着差异，但在不同采样月份收集的样本中，疾病流行率却没有显着差异;（4）在7月，蚊子和culicoides最活跃，该疾病最流行，并且（ 5）有流产经验的人和无流产经验的人的疾病患病率显着不同（P <0.05），这表明赤羽病毒感染可能显着增加牛和羊的流产风险。结论：据我们所知，这是第一份证实赤羽病毒感染在中国西北部新疆省的牛羊中普遍存在的报告，并为牛羊流产的预防和控制提供了有用的流行病学信息。数字对象标识符http：// dx .doi.org / 10.1007 / s11250-012-0168-3

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