Occurrence of endohelminths in Cairina moschata (Linnaeus, 1758) of the Portel microregion, Marajó Island, Pará.

Brazilian journal of veterinary medicine Pub Date : 2026-02-20 eCollection Date: 2026-01-01 DOI:10.29374/2527-2179.bjvm009325

Elaine Lopes de Carvalho, Yngrid da Silva Dos Santos, Ricardo Luis Sousa Santana, Elane Guerreiro Giese

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Abstract

This study was conducted in northern Brazil to determine the prevalence of helminth infections in Cairina moschata (Linnaeus, 1758). Between August 2024 and July 2025, adult parasites were collected from the gastrointestinal tracts of 12 of these subsistence birds in the municipality of Portel, Marajó, Pará. The analyses revealed the presence of the nematodes Ascaridia galli, Tetrameres sp., Heterakis gallinarum, Eucoleus contortus, and Capillaria cairina; the trematodes Echinostomatidae and Strigea sp., and various cestodes. The overall infection rate was (50%; 6/12). The most common helminths were nematodes (33.33%; 4/12), trematodes (25%; 3/12), followed by cestodes (8.33%; 1/12). These findings expand the current knowledge of the helminth fauna in muscovy ducks raised on Marajó Island and contribute to an epidemiological understanding of parasitic diseases affecting species of zootechnical importance in the Amazon region.

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par Marajó岛Portel微区Cairina moschata （Linnaeus, 1758）内蠕虫的发生。

本研究是在巴西北部进行的，目的是确定Cairina moschata地区蠕虫感染的流行情况（Linnaeus, 1758）。在2024年8月至2025年7月期间，在Marajó， par的波特尔市，从12只这些生存鸟类的胃肠道中收集了成虫寄生虫。分析结果显示，该地区有鸡尾蛔虫、四足虫、鸡尾异线虫、扭曲桉叶线虫和毛细线虫；棘孔虫科、吸虫科及各种绦虫。总感染率为（50%;6/12）。最常见的蠕虫是线虫（33.33%;4/12）、吸虫（25%;3/12），其次是绦虫（8.33%;1/12）。这些发现扩大了目前对Marajó岛上饲养的番鸭中寄生虫动物群的了解，并有助于对影响亚马逊地区重要动物技术物种的寄生虫病的流行病学理解。

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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Brazilian journal of veterinary medicine

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