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首页> 外文期刊>Parasitology >New insights into the ecology and biology of Acanthocheilonema reconditum (Grassi, 1889) causing canine subcutaneous filariosis
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New insights into the ecology and biology of Acanthocheilonema reconditum (Grassi, 1889) causing canine subcutaneous filariosis

机译：导致犬皮下丝虫病的棘皮棘皮动物的生态学和生物学的新见解（Grassi，1889）

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摘要

In spite of its wide distribution among dogs and the evidence of its implication as a zoonotic agent, scant information is available on the biology of Acanthocheilonema reconditum (Spirurida, Onchocercidae). In this study, blood samples from 152 Sicilian dogs were examined for A. reconditum microfilariae at the beginning of the study and 1 year later. The periodicity of microfilaraemia was investigated by bleeding 2 highly microfilaraemic dogs twice a day for 10 days and, later on, every 2 weeks for 1 year and a third animal every 3 h for 96 h. Fleas and ticks infesting dogs were collected and dissected for the detection of A. reconditum larvae. The prevalence of infestation was 11·2% (17/152) and 13·3% (16/120) at the beginning and at the end of the study, with a 1 year cumulative incidence of 5·9%. Although dogs bled twice a day showed a higher number of microfilariae in most of the morning samples, the absence of any circadian rhythm was suggested by data of the third experiment conducted by bleeding a dog every 3 h for 4 days. A. reconditum developing forms were detected in 5·1% (4/78) of dissected fleas, but not in any of the 272 ticks. The study provides new insights into the biology and ecology of this dog filarioid in its definitive and intermediate hosts.
机译：尽管它在犬中分布广泛，并且有证据表明它是一种人畜共患病原体，但鲜有棘皮棘阿米奇虫（Spirurida，Onchocercidae）的生物学信息很少。在这项研究中，在研究开始时和一年后，对152只西西里犬的血样进行了检查，检查其是否存在细con曲霉。通过每天两次对2只高微丝犬血流失，持续10天，随后每2周流血1年，对第三只动物每3 h流血96 h来研究微丝虫血症的周期性。收集跳蚤和tick虫感染的狗并解剖，以检测re孔土壤杆菌的幼虫。在研究的开始和结束时，感染的患病率为11·2％（17/152）和13·3％（16/120），一年的累积发病率为5·9％。尽管每天早晨抽血两次的狗在大多数早晨样本中显示出更高的微丝aria病，但第三次实验的数据表明每3 h连续4天使狗流血，这表明没有任何昼夜节律。在分离到的跳蚤中有5·1％（4/78）的菌检出了角con菌发育形式，但在272个s中均未检出。这项研究为确定和中间宿主中这种狗丝虫的生物学和生态学提供了新见解。

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