新热带地区淡水鱼与Dolops spp.(甲壳纲:鳃目)的宿主-寄生虫关系

IF 1.2 3区 农林科学 Q4 PARASITOLOGY
Vinicius Cesar do Bonfim, Letícia de Oliveira Manoel, Alini Beloto Parra, Igor Paiva Ramos, Lidiane Franceschini
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引用次数: 0

摘要

目的:外寄生甲壳类动物附着和取食宿主的方式会对宿主造成伤害。因此,侵染强度高的寄主鱼存活率降低,这可能对寄主种群产生负面影响。了解宿主-寄生虫关系和监测野生鱼类的寄生虫侵染可以提供流行病学信息,有助于避免生态破坏。本研究的目的是记录和描述斑纹Serrasalmus maculatus中外寄生甲壳类动物的发生,并对研究中发现的作为该寄生虫类群宿主的鱼类进行了系统的文献综述。方法2018年采集斑点棘球蚴标本50份。对检测到的每种寄生虫计算属性流行率(P)、平均侵染强度(MII)和平均丰度(MA)。此外,本文还对主要数据库进行了综述,以记录本研究报道的鳃纲寄主鱼类。结果共鉴定出carvalhoi Dolops 195份(P = 72%), bidentata Dolops 121份(P = 58%)。本文报道了帕拉那河中首次记录的d.b bidentata和d.c arvalhoi与s.a maculatus相互作用的首次记录。本综述表明,bidentata和D. carvalhoi具有较低的寄生虫特异性。结论斑点Serrasalmus maculatus与Dolops的关联具有重要的流行病学意义,因为它们是Epistylis spp的潜在传播媒介。斑纹沙螨被吸引到网箱养鱼场,并能将寄生虫传播给养鱼。我们的研究有助于了解宿主-寄生虫的特异性和这一研究较少的外寄生群体的地理分布。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Host-Parasite Relationships Between Dolops spp. (Crustacea: Branchiura) and Freshwater Fish from the Neotropical Region

Purpose

Ectoparasitic crustaceans can harm their hosts due how they attach to and feed on their hosts. Consequently, host fish with high infestation intensities show reduced survival rates, which can negatively affect host populations. Understanding host-parasite relationships and monitoring parasitic infestations in wild fish can provide epidemiological information and help avoid ecological damage. This study aimed to document and characterize the occurrence of ectoparasitic crustaceans in Serrasalmus maculatus and conducted a systematic bibliographic review of fish species previously reported as hosts for the parasite taxa found in this study.

Methods

Fifty specimens of S. maculatus were collected in 2018. For each parasite species detected, the attribute prevalence (P), mean intensity of infestation (MII), and mean abundance (MA) were calculated. In addition, the main databases were reviewed to document the fish species reported as hosts of the branchiurans in this study.

Results

A total of 195 specimens of Dolops carvalhoi (P = 72%) and 121 of Dolops bidentata (P = 58%) were identified. Here, we report the first record of D. bidentata in the Paraná River and the first record of a D. carvalhoi and S. maculatus interaction. This review shows that D. bidentata and D. carvalhoi have low parasite specificity.

Conclusion

The association between Dolops spp. and Serrasalmus maculatus is epidemiologically important because these branchiurans are potential vectors for Epistylis spp.. Serrasalmus maculatus is attracted to cage fish farm areas and can transmit parasites to farmed fish. Our study contributes to the knowledge of host-parasite specificity and geographical distribution of this poorly studied ectoparasitic group.

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来源期刊
Acta Parasitologica
Acta Parasitologica 医学-寄生虫学
CiteScore
3.10
自引率
6.70%
发文量
149
审稿时长
6-12 weeks
期刊介绍: Acta Parasitologica is an international journal covering the latest advances in the subject. Acta Parasitologica publishes original papers on all aspects of parasitology and host-parasite relationships, including the latest discoveries in biochemical and molecular biology of parasites, their physiology, morphology, taxonomy and ecology, as well as original research papers on immunology, pathology, and epidemiology of parasitic diseases in the context of medical, veterinary and biological sciences. The journal also publishes short research notes, invited review articles, book reviews. The journal was founded in 1953 as "Acta Parasitologica Polonica" by the Polish Parasitological Society and since 1954 has been published by W. Stefanski Institute of Parasitology of the Polish Academy of Sciences in Warsaw. Since 1992 in has appeared as Acta Parasitologica in four issues per year.
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