亚美尼亚鱼类线虫动物群

A. R. Hakobyan, V. V. Abrahamyan, O. Shcherbakov, A. S. Ghazaryan, V. Grigoryan, L. H. Grigoryan
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引用次数: 0

摘要

研究的目的是研究亚美尼亚天然水库和人工池塘养鱼场中鱼类体内线虫的种类组成。研究于 2020 年 3 月至 2022 年 12 月在亚美尼亚国立农业大学兽医和兽医卫生专家研究中心以及动物学和水生态学科学中心分子寄生虫学实验室进行。采用传统的鱼类寄生虫学方法研究了来自阿拉拉特和阿尔马维尔地区养鱼场、塞万湖、塞夫尤尔河、赫拉兹丹河、马尔马里克河、阿克胡良河和德贝德河以及埃里温水库、阿帕兰水库和阿克胡良水库的 10 个品种的 246 条鱼。使用 BioStat 软件对研究结果进行了统计处理(描述性统计)。发现鱼体内有四种线虫:这些线虫是:Contracaecum microcephalum Rudolphi, 1819、Philometroides sanguineus Rudolphi, 1819、Rhabdochona fortunatowi Dinnik, 1933 和 Cystidicola farionis Fischer, 1798。寄生虫存在于鱼体、血清膜、气囊壁、肠腔和尾鳍厚度处。鱼类的线虫总感染率为 9.76%。除了 Rh. fortunatowi(每条鱼最多有 24 个标本)感染外,其他线虫的感染率和感染强度都很低。在已发现的线虫中,微头蚴对人类健康构成潜在威胁。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Nematode fauna of fish in Armenia
The purpose of the research is to study the species composition of nematodes dwelling in fish in natural reservoirs and on artificial pond fish farms in Armenia.Materials and methods. The studies were performed at the Research Center for Veterinary Medicine and Veterinary and Sanitary Expertise of the Armenian National Agrarian University and at the Laboratory of Molecular Parasitology of the Scientific Center of Zoology and Hydroecology from March 2020 to December 2022. Traditional ichthyo-parasitological methods were used to study 246 fish of 10 species from fish farms in the Ararat and Armavir Regions, from Lake Sevan and the Sevjur, Hrazdan, Marmarik, Akhuryan and Debed Rivers, as well as the Yerevan, Aparan and Akhuryan reservoirs. The study results were statistically processed (descriptive statistics) using the BioStat software.Results and discussion. The fish were found to have four types of nematodes: Contracaecum microcephalum Rudolphi, 1819, Philometroides sanguineus Rudolphi, 1819, Rhabdochona fortunatowi Dinnik, 1933 and Cystidicola farionis Fischer, 1798. Parasites were found in the body, on the serosa, in the air bladder walls, the intestinal lumen and the caudal fin thickness. The total nematode infection rate in fish was 9.76%. The nematode infection rate in fish was characterized by low values of prevalence and intensity other than the infection by the species Rh. fortunatowi (up to 24 specimens per fish). Among the found nematodes, the species C. microcephalum posed a potential threat to human health.
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