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首页> 外文期刊>Anais da Academia Brasileira de Ciencias >Morphological and hematological studies ofTrypanosoma spp. infecting ornamental armored catfish from Guamá River-PA, Brazil
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Morphological and hematological studies ofTrypanosoma spp. infecting ornamental armored catfish from Guamá River-PA, Brazil

机译：锥虫的形态学和血液学研究感染巴西PA-Guamá河上的观赏装甲cat鱼

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A total of 281 specimens of freshwater armored ornamental fish species (Leporacanthicus galaxias, Lasiancistrus saetiger,Cochliodonsp., Hypostomussp.,Pseudacanthicus spinosus, Ancistrussp. andRineloricariacf. lanceolata) were captured at the hydrological basin of Guamá River, Pará, Brazil. The infection by Trypanosoma spp. was inspected. The morphological and morphometric characterization of the parasites and the hematological parameters were determined. Leporacanthicus galaxias andPseudacanthicus spinosus presented 100% infection prevalence, and the other species showed a variable prevalence of infection. The parasites showed clearly different morphotypes and dimensions, and probably belong to different species. The hematological response to the infection varied with the host. Cochliodon sp. showed no differences between infected and not infected fish. In other species several modifications on some hematological parameters were found, but apparently without causing disease. It is emphasized the possibility of introduction of the parasites in new environments due to the artificial movements of these ornamental fish.
机译：在巴西瓜马河的水文盆地，共捕获了281个淡水装甲观赏鱼标本（Leporacanthicus galaxias，Lasiancistrus saetiger，Cochliodonsp。，Hypostomussp。，Pseudacanthicus spinosus，Ancistrussp。和Rineloricariacf。lanceolata）。由锥虫属感染。被检查了。确定了寄生虫的形态和形态特征以及血液学参数。 Leporacanthicus galaxias和Pseudacanthicus spinosus的感染率是100％，其他物种的感染率是可变的。寄生虫表现出明显不同的形态和大小，可能属于不同的物种。对感染的血液学反应随宿主而异。球菌属显示受感染和未感染鱼之间没有差异。在其他物种中，发现了一些血液学参数的修饰，但显然没有引起疾病。强调由于这些观赏鱼的人工运动，有可能在新的环境中引入寄生虫。

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