The influence of age on the occurrence of internal parasites in perch (Perca fluviatilis L.) from Lake Góreckie in Wielkopolski National Park

W. Andrzejewski, T. Uzar, A. Pękala-Safińska, M. Urbańska, Katarzyna Serwańska-Leja, A. Pociecha
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引用次数: 0

Abstract

The European perch (Perca fluviatilis L.) is a common freshwater fish which is widely distributed in Europe and Asia and has been successfully introduced to New Zealand and Australia. It is the intermediate and definitive host of many parasites, especially endoparasites, such as trematodes, cestodes and nematodes (Bikhovskaya-Pavlovskaya and Kulakova,1987; Carney and Dick, 1999; Behrmann-Godel and Brinker, 2005; Wierzbicka et al., 2005; Kuchta et al., 2009). Information concerning the parasites of perch can be found in widely published literature (Rolbiecki, 2006; Halmetoja et al., 2000), but still little is known about aspects such as the age dynamics of infections with endoparasites. Parasites provide a great deal of biological information about their host, regarding migration, differences in diet, and food web structure (Williams et al., 1992; MacKenzie et al., 1995; Marcogliese et al., 2006). On the other hand, parasitism may influence the behaviour of fish (hosts), resulting in changes in their habitat and increasing vulnerability to predators (Seppälä et al., 2008). Infection with parasites increases the relative risk of mortality in the host (Behrmann-Godel and Brinker, 2005). In this paper we determined the occurrence of parasites in perch from Lake Góreckie, Wielkopolski National Park. Perch is common in water bodies and has a diverse diet, and for these reasons it is the definitive or intermediate host of many parasite species. Therefore, this fish species was selected for our study. The influence of age on the occurrence of parasites in perch has not yet been examined in detail. The aim of this study was to answer the following questions: • What parasites occur in perch in Lake Góreckie? • Which species of endoparasites are more frequently observed in perch in Lake Góreckie? • Is there a correlation between the occurrence of the endoparasite and the age of perch?
年龄对Wielkopolski国家公园Góreckie湖鲈鱼体内寄生虫发生的影响
欧洲鲈鱼(pera fluviatilis L.)是一种常见的淡水鱼,广泛分布于欧洲和亚洲,已成功引进新西兰和澳大利亚。它是许多寄生虫的中间和最终宿主,特别是内寄生虫,如吸虫、绦虫和线虫(Bikhovskaya-Pavlovskaya and Kulakova,1987;卡尼和迪克,1999;Behrmann-Godel and Brinker, 2005;Wierzbicka等人,2005;Kuchta et al., 2009)。关于鲈鱼寄生虫的信息可以在广泛发表的文献中找到(Rolbiecki, 2006;Halmetoja et al., 2000),但对诸如感染内寄生虫的年龄动态等方面仍然知之甚少。寄生虫提供了大量关于其宿主的生物信息,包括迁徙、饮食差异和食物网结构(Williams et al., 1992;MacKenzie et al., 1995;Marcogliese et al., 2006)。另一方面,寄生可能影响鱼类(宿主)的行为,导致其栖息地的变化,并增加对捕食者的脆弱性(Seppälä等人,2008年)。寄生虫感染会增加宿主死亡的相对风险(Behrmann-Godel and Brinker, 2005)。本文测定了Wielkopolski国家公园Góreckie湖鲈鱼中寄生虫的发生情况。鲈鱼在水体中很常见,饮食多样,因此它是许多寄生虫物种的最终或中间宿主。因此,我们选择了该鱼种进行研究。年龄对鲈鱼寄生虫发生的影响还没有详细的研究。本研究的目的是回答以下问题:•Góreckie湖的鲈鱼中有什么寄生虫?•在Góreckie湖的鲈鱼中最常观察到哪种种类的内寄生虫?•内寄生虫的发生与鲈鱼的年龄之间是否存在相关性?
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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