CLINOSTOMUM MARGINATUM (BRAUN, 1899) Y AUSTRODIPLOSTOMUM COMPACTUM (LUTZ, 1928) METACERCARIAS CON POTENCIAL ZOONÓTICO EN PYGOCENTRUS NATTERERI (KNER, 1858) (CHARACIFORMES: SERRASALMIDAE) DE LA AMAZONÍA CENTRAL, BRASIL

Neotropical helminthology Pub Date : 2021-03-15 DOI:10.24039/RNH2011511030

Aprigio Mota Morais, Angela Maria Bezerra Varella, Berenice M. M. Fernandes, Joseph Malta

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Abstract

The present study investigated the presence of helminths in fillets of red piranha, Pygocentrus nattereri (Kner, 1858), with a note of a possible zoonotic potential of its consumption in nature. We examined 40 fish caught in lakes in the floodplain of the Solimoes River, located in the municipalities of Coari and Manaus in central Amazonia, Brazil. All fish examined were adults and had yellow cysts in the musculature. Of the 69 cysts found, 66 were identified as metacercariae of Clinostomum marginatum (Braun, 1899) and 3 as Austrodiplostomum compactum (Lutz, 1928). The analysis shows a higher susceptibility of P. nattereri for metacercariae of C. marginatum. The fact that metacercariae were found in fillets of P. nattereri, suggests a risk situation, addresses a concern about its use in raw form. It should not be consumed without proper inspection, processing and freezing, since ceviche, is readily consumed, mainly in the border region of the upper and Western Amazonia.

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本研究调查了红食人鱼(Pygocentrus nattereri, Kner, 1858)鱼片中蠕虫的存在，并指出其在自然界中可能具有人畜共患的潜力。我们检查了40条在巴西亚马逊中部科阿里和马瑙斯市索利莫伊斯河洪泛区湖泊中捕获的鱼。所有被检查的鱼都是成年鱼，肌肉组织中有黄色囊肿。在发现的69个囊肿中，66个被鉴定为边缘Clinostomum metacercarae (Braun, 1899)， 3个被鉴定为紧凑的Austrodiplostomum compactum (Lutz, 1928)。分析结果表明，白僵菌对边缘毛囊蚴有较高的敏感性。在白鸡鱼片中发现囊蚴这一事实表明存在风险，解决了对其生吃的担忧。在未经适当检查、加工和冷冻的情况下，不应食用酸橘汁腌鱼，因为酸橘汁腌鱼很容易被食用，主要是在亚马逊河上游和西部的边境地区。

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Neotropical helminthology

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