（复殖目：枝腺科）在终末宿主（硬骨鱼纲：油鲶科）中的情况，以及来自南美洲鱼类的形态学和地理分布数据。
(Digenea: Cladorchiidae) in definitive host (Pisces: Pimelodidae), with morphological and geographic distribution data in fishes from the South America.
作者信息
Negreiros Luciano P, Pereira Felipe B, Tavares-Dias Marcos
机构信息
1Programa de Pós-Graduação em Biodiversidade e Biotecnologia (PPG-Bionorte), Universidade Federal do Amapá, Macapá, AP Brazil.
2Programa de Pós-Graduação em Biologia Animal, Instituto de Biociências (INBIO), Universidade Federal de Mato Grosso do Sul (UFMS), Campo Grande, MS Brazil.
出版信息
J Parasit Dis. 2020 Mar;44(1):62-68. doi: 10.1007/s12639-019-01161-z. Epub 2019 Sep 20.
The aim of this study was to describe structural and ultrastructural morphological data of (Diesing, 1836) Travassos, 1931 in Valenciennes, 1840 from western Amazon (Brazil), besides geographic distribution in host fishes from South America. Of 160 examined in the rivers Acre and Iaco, 15% were infected by with mean intensity of 6.5 ± 1.9 and mean abundance of 1.0 ± 5.1. All parasites were found in the intestine of the infected hosts. The structural and ultrastructural characteristics of the developmental stages of are presented and discussed. has a wide geographic distribution in South America, parasitizing fish species of Characiformes and Siluriformes from Brazil, Venezuela, Argentina, Peru and Paraguay. We elucidated part of life cycle of in , which is a definitive host for this digenean.
本研究的目的是描述1931年特拉瓦索斯的（迪辛，1836年）1840年瓦朗谢讷氏吸虫在巴西西部亚马逊地区的结构和超微结构形态学数据，以及其在南美洲宿主鱼类中的地理分布。在阿克里河和亚科河检查的160条鱼中，15%被该吸虫感染，平均感染强度为6.5±1.9，平均丰度为1.0±5.1。所有寄生虫均在受感染宿主的肠道中发现。文中呈现并讨论了该吸虫发育阶段的结构和超微结构特征。该吸虫在南美洲具有广泛的地理分布，寄生于巴西、委内瑞拉、阿根廷、秘鲁和巴拉圭的脂鲤目和鲇形目鱼类。我们阐明了该吸虫在作为其终末宿主的某种鱼体内生命周期的一部分。
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