Seasonal variation in prevalence, parasite load and mean intensity of ectoparasites in Pipistrellus kuhlii (Chiroptera: Vespertilionidae) from Iran

Q3 Agricultural and Biological Sciences Acta Biologica Szegediensis Pub Date : 2019-01-30 DOI:10.14232/abs.2018.2.190-194

M. Sharifi, S. Vaissi, Hossein Javanbakht

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Abstract

We studied quantitatively the seasonal variation in prevalence, parasite load, and mean intensity of two species of ectoparasites in free ranging populations of Kuhl's bat, Pipistrellus kuhlii in western Iran. In total, 348 live bats (230 males and 118 females) were collected using mist net during May to November 2013. All bats identified as to sex and the number of ectoparasite species in each bat was counted. On 348 P. kuhlii captured, 5355 ectoparasites were observed. Two species of ectoparasites belonging to Argas vespertilionis (Argasidae) and Steatonyssus sp. (Macronyssidae) were identified. In late May and at the beginning of June, the peaks of ectoparasite load in bats were recorded and then dropped during June to November. The number of ectoparasites in pregnant female bats in May-June during pregnancy was significantly higher than non-pregnant females (p ≤ 0.05). A significant correlation was found between ectoparasite load and the ratio of body mass to the length of forearm (W/FA), as an index of body condition, indicating that parasite load has apparent impact on bat’s health. Our findings indicated that parasite loads correlate with season, sex and reproductive condition of the host.

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在流行季节变化,体外寄生虫的寄生负载和平均强度Pipistrellus kuhlii(翼手目:蝙蝠科)来自伊朗

我们定量研究了伊朗西部库尔蝙蝠自由放养种群中两种体外寄生虫的流行率、寄生虫载量和平均强度的季节变化。2013年5月至11月期间，共使用雾网采集了348只活蝙蝠（230只雄性和118只雌性）。统计了所有蝙蝠的性别和每只蝙蝠体外寄生虫的数量。在捕获的348株库氏疟原虫上，共观察到5355株体外寄生虫。鉴定出两种外寄生虫，分别隶属于银蛛科（Argasidae）和银蛛属（Macronyssidae）。在5月下旬和6月初，蝙蝠的体外寄生虫负荷达到峰值，然后在6月至11月下降。妊娠期5-6月雌性蝙蝠的体外寄生虫数量显著高于未妊娠雌性蝙蝠（p≤0.05）。体外寄生虫负荷与体重与前臂长度之比（W/FA）作为身体状况的指标之间存在显著相关性，表明寄生虫负荷对蝙蝠的健康有明显影响。我们的研究结果表明，寄生虫载量与宿主的季节、性别和繁殖条件有关。

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Acta Biologica Szegediensis Agricultural and Biological Sciences-Agricultural and Biological Sciences (all)

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1.00

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期刊介绍： Acta Biologica Szegediensis (ISSN 1588-385X print form; ISSN 1588-4082 online form), a member of the Acta Universitatis Szegediensis family of scientific journals (ISSN 0563-0592), is published yearly by the University of Szeged. Acta Biologica Szegediensis covers the growth areas of modern biology and publishes original research articles and reviews, involving, but not restricted to, the fields of anatomy, embryology and histology, anthropology, biochemistry, biophysics, biotechnology, botany and plant physiology, all areas of clinical sciences, conservation biology, ecology, genetics, microbiology, molecular biology, neurosciences, paleontology, pharmacology, physiology and pathophysiology, and zoology.