Gizzard Helminths in the Gadwall (Mareca strepera) Wintering Along the Mid-Texas Coast

New Data on Myxobolus enoblei (Cnidaria: Myxobolidae): A Parasite of Smallmouth Buffalo Ictiobus bubalus (Cypriniformes: Catostomidae) Pub Date : 1900-01-01 DOI:10.1654/1525-2647-86.1.38

Cameron Heger, C. Schneider, D. Butler, A. Fedynich

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Abstract

abstract: We examined the gizzards of 80 hunter-shot gadwalls (Mareca strepera) collected November–January during the 2008–2009 (n = 46) and 2009–2010 (n = 34) hunting seasons at the Justin Hurst Wildlife Management Area in Brazoria County, Texas, U.S.A., and the Mad Island Wildlife Management Area in Matagorda County, Texas. Three species of nematodes (Amidostomum acutum, Epomidiostomum uncinatum, and Streptocara crassicauda) were found comprising 237 individuals. Epomidiostomum uncinatum was the most prevalent (55%), followed by A. acutum (53%) and S. crassicauda (1%). Intensity of infection of A. acutum and E. uncinatum averaged 2.8 ± 0.3 (SE) and 2.7 ± 0.3, respectively, and mean abundance averaged 1.5 ± 0.2 and 1.5 ± 0.2, respectively. Differences in prevalence and mean abundance for A. acutum and E. uncinatum were not significant by hunting season, host age, or host sex. Our findings represent new information about gizzard helminth infections in gadwalls wintering along the mid-Texas coast.

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沿德克萨斯州中部海岸越冬的加德沃尔(mreca strepera)中的砂囊蠕虫

研究了2008-2009年(n = 46)和2009-2010年(n = 34)两个狩猎季节在美国德克萨斯州布拉索里亚县Justin Hurst野生动物管理区和德克萨斯州马塔戈尔达县Mad Island野生动物管理区采集的80只猎射壁虎(mreca strepera)的胗。共发现针状腹足线虫、钩状腹足线虫和粗链虫3种237只。最常见的是褐皮刺槐(55%)，其次是针叶刺槐(53%)和粗纹刺槐(1%)。感染强度分别为2.8±0.3 (SE)和2.7±0.3 (SE)，丰度分别为1.5±0.2和1.5±0.2。在狩猎季节、寄主年龄和寄主性别的影响下，针叶姬鼠和钩叶姬鼠的患病率和平均丰度差异不显著。我们的发现代表了关于沿德克萨斯中部海岸越冬的壁虱中砂囊蠕虫感染的新信息。

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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New Data on Myxobolus enoblei (Cnidaria: Myxobolidae): A Parasite of Smallmouth Buffalo Ictiobus bubalus (Cypriniformes: Catostomidae)

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