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首页> 外文期刊>International Journal of Environmental Research and Public Health >First Occurrence of Eustrongylides spp. (Nematoda: Dioctophymatidae) in a Subalpine Lake in Northwest Italy: New Data on Distribution and Host Range
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First Occurrence of Eustrongylides spp. (Nematoda: Dioctophymatidae) in a Subalpine Lake in Northwest Italy: New Data on Distribution and Host Range

机译：首次出现Eustoninylate SPP。 （墨尼达达：DioctophyaTidae）在意大利西北部的苏尔邦斯湖中：关于分销和主机范围的新数据

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The genus Eustrongylides includes nematodes that infect fish species and fish-eating birds inhabiting freshwater ecosystems. Nematodes belonging to the genus Eustrongylides are potentially pathogenic for humans; infection occurs after the consumption of raw or undercooked fish. In the two-year period 2019–2020, a total of 292 fish belonging to eight species were examined for the occurrence of Eustrongylides spp. from Lake San Michele, a small subalpine lake in northwest Italy. The prevalence of infestation was 18.3% in Lepomis gibbosus , 16.7% in Micropterus salmoides , and 10% in Perca fluviatilis . The other five fish species ( Ameiurus melas , Ictalurus punctatus , Squalius cephalus , Carassius carassius , and Scardinius erythrophthalmus ) were all negative for parasite presence. There were no significant differences in prevalence between the three fish species (Fisher’s exact test; p = 0.744). The mean intensity of infestation ranged from 1 ( M. salmoides and P. fluviatilis ) to 1.15 ( L. gibbosus) , and the mean abundance ranged from 0.1 ( P. fluviatilis ) to 0.28 ( L. gibbosus ). There were significant differences in the infestation site between the four muscle quadrants (anterior ventral, anterior dorsal, posterior ventral, and posterior dorsal) and the visceral cavity (Kruskal–Wallis test; p = 0.0008). The study findings advance our knowledge about the distribution and host range of this parasite in Italy.
机译：eustoninylate属包括对鱼类和食用鸟类居住的淡水生态系统感染鱼类和鱼类的线虫。属于eustonindylylates属的线虫是人类的潜在病原;生物或未煮熟的鱼消耗后发生感染。在2019 - 2012年的两年期间，检查了八种物种的共有292条鱼用于eustondylylate spp的发生。来自San Michele湖，意大利西北部的一个小亚马尔彭湖。患有患者的侵袭患病率为18.3％，在Micropterus Salloides中为16.7％，Perca Fluviatilis的10％。另外五种鱼类（Ameiurus Melas，Ictalurus punctatus，Squalius cephalus，Carassius carassius和Scardinius红斑狼疮都对寄生虫存在均为阴性。三种鱼类之间的患病率没有显着差异（Fisher的确切测试; P = 0.744）。侵扰的平均强度范围为1（M. Salmoides和P. Fluviatilis）至1.15（L.Gibbosus），并且平均丰度范围为0.1（P. FlyViatilis）至0.28（L.Gibbosus）。四个肌肉象限（前腹侧，前腹部，后腹侧和后部背侧）和内腔（Kruskal-Wallis试验; P = 0.0008）存在显着差异。研究结果推进了关于意大利寄生虫的分布和宿主范围的了解。

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