首页> 美国卫生研究院文献>Springer Open Choice >A new species of Eimeria Schneider 1875 from the Serra dos Órgãos National Park Rio de Janeiro Brazil with notes on its endogenous development in the montane grass mouse Akodon montensis Thomas 1913 (Rodentia: Sigmodontinae)
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A new species of Eimeria Schneider 1875 from the Serra dos Órgãos National Park Rio de Janeiro Brazil with notes on its endogenous development in the montane grass mouse Akodon montensis Thomas 1913 (Rodentia: Sigmodontinae)

机译:1875年从巴西里约热内卢的塞拉·多斯·奥尔加斯国家公园(Serra dosÓrgãosNational Park)提取的一种新的艾美莉亚·施耐德(Eimeria Schneider)并记录了其在山地草鼠Akodon montensis Thomas(1913年)中的内源性发育(啮齿目:Sigmodontinae)

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摘要

A total of 53 specimens of the montane grass mouse, Akodon montensis Thomas, 1913 were collected in the Serra dos Órgãos National Park (SONP) in November 2014 and July 2015. The fecal material was analyzed, and a prevalence of 7.5% was recorded for a new coccidian species of the genus Eimeria Schneider, 1875, with part of its endogenous development recorded in the small intestine. The oocysts of a new coccidian species of genus Eimeria are ellipsoidal to subspherical. The wall is bi-layered, c. 1.5 μm (1.3–1.6 μm) thick, outer layer rough. Oocyst (n = 126) mean length is 25.3 μm (21.0–28.0 μm), with a width of 20.2 μm (17.0–22.0 μm) and mean length/width (L:W) ratio of 1.3 (1.2–1.4). Polar granule is present, with the oocyst residuum as a large spherical to subspherical globule. Sporocyst shape (n = 126) is ellipsoidal, with a mean length of 11.8 μm (9.3–14.4 μm), width of 7.9 μm (6.7–9.3 μm), and mean L:W ratio of 1.5 (1.4–1.7). Sporocysts with nipple-like Stieda body and sub-Stieda body are absent. A sporocyst residuum formed by several globules, usually along the sporocyst wall. This is the first record of Eimeria in the montane grass mouse from Brazil.
机译:2014年11月和2015年7月,共在Serra dosÓrgãos国家公园(SONP)中采集了53头山地草鼠Akodon montensis Thomas,1913年的标本。对粪便进行了分析,发现其粪便流行率为7.5%。 Eimeria Schneider属的新球虫种,1875年,其内源性发育的一部分记录在小肠中。艾美球虫属一新的球虫种的卵囊是椭圆形的到亚球形的。墙是双层的,c。 1.5微米(1.3–1.6微米)厚,外层粗糙。卵囊(n = 126)平均长度为25.3μm(21.0-28.0μm),宽度为20.2μm(17.0-22.0μm),平均长宽比(L:W)为1.3(1.2-1.4)。存在极性颗粒,卵囊残余物为大的球形至亚球形小球。孢子囊形状(n = 126)为椭圆形,平均长度为11.8μm(9.3-14.4μm),宽度为7.9μm(6.7-9.3μm),平均L:W比为1.5(1.4-1.7)。缺少乳头状斯蒂达体和次斯蒂达体的孢子囊。孢子囊残留物,通常沿孢子囊壁由数个小球形成。这是来自巴西的山地草鼠中艾美球虫的第一个记录。

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