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首页> 外文期刊>Parasitology >Increased prevalence and geographic spread of the cardiopulmonary nematode Angiostrongylus vasorum in fox populations in Great Britain
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Increased prevalence and geographic spread of the cardiopulmonary nematode Angiostrongylus vasorum in fox populations in Great Britain

机译：英国狐狸种群中心肺线虫血管圆线虫的患病率和地理分布增加

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摘要

The nematode Angiostrongylus vasorum is becoming more widely recorded globally, and is of increasing concern as a cause of disease in dogs. Apparent geographic spread is difficult to confirm due to a lack of standardized disease recording systems, increasing awareness among veterinary clinicians, and recent improvements in diagnostic technologies. This study examines the hypothesis that A. vasorum has spread in recent years by repeating the methods of a previous survey of the fox population. The hearts and lungs of 442 foxes from across Great Britain were collected and examined by dissection and flushing of the pulmonary circulation and microscopic inspection of tracheal scrapes. Sampling and parasite extraction methods were identical to an earlier survey in 2005 to ensure comparability. Prevalence of A. vasorum was 18.3% (exact binomial confidence bounds 14.9-22.3), compared with 7.3% previously (5.3-9.9, n = 546), and had increased significantly in most regions, e.g. 7.4% in the Northern UK (previously zero) and 50.8% in the south-east (previously 23.2%). Other nematodes identified were Crenosoma vulpis (prevalence 10.8%, CI 8.1-14.2) and Eucoleus aerophilus (31.6%, CI 27.3-36.2). These data support the proposal that A. vasorum has increased in prevalence and has spread geographically in Great Britain.
机译：线虫血管圆线虫在全球范围内越来越广泛地被记录，并且作为狗的病因越来越受到关注。由于缺乏标准化的疾病记录系统，兽医临床医生的意识增强以及诊断技术的最新发展，很难确定明显的地域分布。这项研究通过重复先前对狐狸种群的调查方法，检验了假单胞菌近年传播的假说。收集并收集了来自英国各地的442只狐狸的心和肺，并通过解剖和冲洗肺循环和显微镜检查气管擦伤进行了检查。为了确保可比性，采样和寄生虫提取方法与2005年的早期调查相同。血管曲霉的患病率为18.3％（确切的二项式置信区间14.9-22.3），而之前为7.3％（5.3-9.9，n = 546），并且在大多数地区显着增加，例如英国北部为7.4％（之前为零），东南部为50.8％（之前为23.2％）。鉴定出的其他线虫是弗氏肉芽孢杆菌（患病率10.8％，CI 8.1-14.2）和嗜酸Eueuleus aerophilus（31.6％，CI 27.3-36.2）。这些数据支持了A. vasorum的流行和在英国的地理分布的提议。

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