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巴西亚马逊贾乌国家公园南美侧颈龟（龟鳖目：曲颈龟亚目）的胃肠道寄生虫。

Gastrointestinal parasites of Peltocephalus dumerilianus (Testudines: Podocnemididae) from Jaú National Park, Brazilian Amazon.

机构信息

Laboratório de Enfermidades Parasitárias - LabEPar, Departamento de Patologia, Reprodução e Saúde Única - DPRSU, Faculdade de Ciências Agrárias e Veterinárias - FCAV, Universidade Estadual Paulista - UNESP, Jaboticabal, SP, Brasil.

出版信息

Rev Bras Parasitol Vet. 2024 Feb 12;33(1):e013823. doi: 10.1590/S1984-29612024013. eCollection 2024.

DOI:10.1590/S1984-29612024013
PMID:38359299
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10878694/
Abstract

The big-headed Amazon River turtle, Peltocephalus dumerilianus, is endemic to the Orinoco and Amazon River basins. It is a food source for local communities, often unsustainably. Knowledge about P. dumerilianus' parasitological fauna and host-parasite relationships is limited. Thus, ecological aspects of gastrointestinal parasitism in this species were investigated. Helminths were found in the gastrointestinal tract of 21 turtles, morphologically identified, and infection descriptors calculated. All animals harbored helminths: nematodes Ancyracanthus pinnatifidus, Paratractis hystrix, Atractis trematophila, Klossinemella conciliatus indeterminate three Klossinemella species, and digeneans Nematophila grandis, Helicotrema spirale, and Telorchis hagmanni. The highest parasite load occurred in the large intestine, followed by the small intestine and stomach. Shell length directly correlated with parasite burden of heteroxenic helminths, with males having higher burden than females. This is the first record of A. trematophila, K. conciliatus, and T. hagmanni in P. dumerilianus, and new location record for A. trematophila, P. hystrix, N. grandis, H. spirale, and T. hagmanni. Three potentially new Klossinemella species are presented.

摘要

大头亚马逊河龟，Peltocephalus dumerilianus，是奥里诺科河和亚马逊河流域的特有物种。它是当地社区的食物来源，但往往是不可持续的。关于 P. dumerilianus 的寄生虫动物区系和宿主-寄生虫关系的知识有限。因此，研究了该物种胃肠道寄生虫的生态方面。在 21 只海龟的胃肠道中发现了寄生虫，通过形态学鉴定并计算了感染指标。所有动物都携带寄生虫：线虫 Ancyracanthus pinnatifidus、Paratractis hystrix、Atractis trematophila、Klossinemella conciliatus 三种未确定的 Klossinemella 物种以及吸虫 Nematophila grandis、Helicotrema spirale 和 Telorchis hagmanni。寄生虫负荷量最高的是大肠，其次是小肠和胃。壳长与异生性寄生虫的寄生虫负荷直接相关，雄性的寄生虫负荷高于雌性。这是 A. trematophila、K. conciliatus 和 T. hagmanni 在 P. dumerilianus 中的首次记录，也是 A. trematophila、P. hystrix、N. grandis、H. spirale 和 T. hagmanni 的新发现地点记录。提出了三种可能的新的 Klossinemella 物种。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ce8f/10878694/e39efcc90cd6/rbpv-33-1-e013823-g07.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ce8f/10878694/3959d2ddae64/rbpv-33-1-e013823-g01.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ce8f/10878694/b63fe37f2a5f/rbpv-33-1-e013823-g02.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ce8f/10878694/dcb58ce8b353/rbpv-33-1-e013823-g03.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ce8f/10878694/4c1a27aafdf1/rbpv-33-1-e013823-g04.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ce8f/10878694/3fe802e34404/rbpv-33-1-e013823-g05.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ce8f/10878694/72377d14055d/rbpv-33-1-e013823-g06.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ce8f/10878694/e39efcc90cd6/rbpv-33-1-e013823-g07.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ce8f/10878694/3959d2ddae64/rbpv-33-1-e013823-g01.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ce8f/10878694/b63fe37f2a5f/rbpv-33-1-e013823-g02.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ce8f/10878694/dcb58ce8b353/rbpv-33-1-e013823-g03.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ce8f/10878694/4c1a27aafdf1/rbpv-33-1-e013823-g04.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ce8f/10878694/3fe802e34404/rbpv-33-1-e013823-g05.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ce8f/10878694/72377d14055d/rbpv-33-1-e013823-g06.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ce8f/10878694/e39efcc90cd6/rbpv-33-1-e013823-g07.jpg

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本文引用的文献

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Integr Comp Biol. 2022 Dec 30;62(6):1557-1571. doi: 10.1093/icb/icac116.
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Vet Parasitol Reg Stud Reports. 2021 Dec;26:100639. doi: 10.1016/j.vprsr.2021.100639. Epub 2021 Sep 13.
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Parasites as conservation tools.
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Population structure and allometry of Podocnemis unifilis (Testudines, Podocnemididae) in a protected area upstream Belo Monte dam in Xingu River, Brazil.巴西欣古河贝洛蒙特大坝上游保护区内单纹河龟（龟鳖目，河龟科）的种群结构与异速生长
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