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Worldwide, wild birds play a vital role in the dispersal of ticks that harbour tick-borne pathogens, including Borrelia burgdorferi, the Lyme disease bacterium. Using PCR testing, we found 124 (31%) of 405 ticks (4 species), which were collected from 21 species of birds in far-western Canada, to be infected with B. burgdorferi. Transstadial transmission of B. burgdorferi occurred from larva to nymph, plus nymph to adult, in the avian coastal tick, Ixodes auritulus, collected from songbirds in British Columbia (B.C). Collectively, all 3 motile life stages (larva, nymph, adult) of this tick had an infection prevalence of 31% for B. burgdorferi, which suggests vector competency. A Pacific Wren was highly infested with I. auritulus immatures, and 20 (44%) of 45 ticks (2 nymphs, 43 larvae) were infected with B. burgdorferi. This heavy infestation shows the high potential to initiate a new population of ticks and to disseminate Lyme spirochetes. Epidemiologically, B. burgdorferi-infected I. auritulus larvae collected from the Spotted Towhee, Swainson’s Thrush, Pacific Wren, and Fox Sparrow suggest that these avian hosts act as reservoirs for B. burgdorferi. In this study, the western blacklegged tick, Ixodes pacificus, and Ixodes spinipalpis played a limited role in the enzootic transmission cycle of B. burgdorferi along coastal B.C. We document the first record of I. spinipalpis on a bird in Alberta. Because songbirds widely disperse Lyme disease vector ticks, primary health providers and the general public must be vigilant that outdoors people may be bitten by B. burgdorferi-infected ticks throughout far-western Canada.
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篇名 Infection Prevalence of <i>Borrelia burgdorferi</i>in Ticks Collected from Songbirds in Far-Western Canada
来源期刊 动物科学期刊(英文) 学科 医学
关键词 TICKS IXODES auritulus IXODES pacificus IXODES spinipalpis Lyme Disease BORRELIA burgdorferi SONGBIRD Bird Parasitism Infection Prevalence
年,卷(期) 2015,(3) 所属期刊栏目
研究方向 页码范围 232-241
页数 10页 分类号 R73
字数 语种
DOI
五维指标
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研究主题发展历程
节点文献
TICKS
IXODES
auritulus
IXODES
pacificus
IXODES
spinipalpis
Lyme
Disease
BORRELIA
burgdorferi
SONGBIRD
Bird
Parasitism
Infection
Prevalence
研究起点
研究来源
研究分支
研究去脉
引文网络交叉学科
相关学者/机构
期刊影响力
动物科学期刊(英文)
季刊
2161-7597
武汉市江夏区汤逊湖北路38号光谷总部空间
出版文献量(篇)
381
总下载数(次)
0
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