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Distribution and biodiversity components of hard ticks as potential vectors of Crimean-Congo haemorrhagic fever virus (CCHFV) in borderline of Iran-Afghanistan
International Journal of Acarology ( IF 0.9 ) Pub Date : 2021-08-01 , DOI: 10.1080/01647954.2021.1954085
Amirsajad Jafari 1 , Sahar Asadolahi 1 , Mehdi Rasekh 2 , Dariush Saadati 3 , Faezeh Faghihi 4 , Mehdi Fazlalipour 5 , Zakkyeh Telmadarraiy 6
Affiliation  

ABSTRACT

The objectives of the present study were to investigate prevalence and biodiversity components of hard ticks as potential vectors of Crimean-Congo haemorrhagic fever virus in livestock of Iran–Afghanistan borderline in 2019. A total of 865 ticks were randomly collected from 10 counties of Iran–Afghanistan border line. Camels, cows, goats, and sheep were selected as hosts. A total of two genera and five species were identified according to morphological keys. The biodiversity indices (Simpson, Shannon, Margalef, Berger-Parker, and Pielou) were calculated. Rarefaction curves and richness estimators were used to calculate richness. Biodiversity components were adjusted using SHE analysis. Dominant species were Hyalomma and Rhipicephalus. Simpson and Shannon species diversity indices showed that the highest species diversity belonged to goats and also South Khorasan was more diverse than Sistan and Baluchestan. In SHE analysis, the log-normal model is clearly seen in the diagrams of the cows, sheep, and goats. South Khorasan also follows the log normal distribution. Dominant ticks were the major vectors of CCHFV and goats were determined as the most diverse livestock. As a result, goat population require more monitoring. The SHE graphs mainly followed the log-normal pattern, which is an indicator of normal societies.



中文翻译:

作为伊朗-阿富汗边界克里米亚-刚果出血热病毒 (CCHFV) 潜在载体的硬蜱的分布和生物多样性组成部分

摘要

本研究的目的是调查硬蜱的流行率和生物多样性组成部分,作为 2019 年伊朗 - 阿富汗边界牲畜中克里米亚 - 刚果出血热病毒的潜在载体。 从伊朗的 10 个县随机收集了总共 865 只蜱 -阿富汗边界线。骆驼、奶牛、山羊和绵羊被选为宿主。根据形态学关键词共鉴定出2属5种。计算了生物多样性指数(Simpson、Shannon、Margalef、Berger-Parker 和 Pielou)。稀疏曲线和丰富度估计器用于计算丰富度。使用 SHE 分析调整生物多样性成分。优势种是玻璃球藻Rhipicephalus. 辛普森和香农物种多样性指数表明,山羊的物种多样性最高,而且南呼罗珊的多样性高于锡斯坦和俾路支斯坦。在 SHE 分析中,在牛、绵羊和山羊的图表中可以清楚地看到对数正态模型。南呼罗珊也遵循对数正态分布。优势蜱是 CCHFV 的主要载体,山羊被确定为最多样化的牲畜。因此,山羊种群需要更多的监测。SHE 图主要遵循对数正态模式,这是正常社会的指标。

更新日期:2021-09-02
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