[关于1974年报道的对古巴具有医学流行病学重要性的软体动物奥比尼双脐螺（Biomphalaria orbignyi Paraense）的特征描述]
[The characterization of Biomphalaria orbignyi Paraense, 1974, a mollusk of medico-epidemiological importance recently reported for Cuba].
作者信息
Yong Cong M, Perera de Puga G, Ferrer López J R
机构信息
Laboratorio de Malacología Médica, Instituto de Medicina Tropical Pedro Kourí.
出版信息
Rev Cubana Med Trop. 1991 Jan-Mar;43(1):21-5.
The conchological, anatomical and radular characteristics of Biomphalaria orbignyi are described, as well as the morphometric ratio between maximal height and maximal diameter, in which the regression coefficient value is 0.9. The life tables of Biomphalaria orbignyi shows a life range (L phi = 10.37) much higher than in the rest of the species available in Cuba; the value of k = 0.17 is similar to that of Biomphalaria havanensis. It has 2 reproductive peaks at middle age. Differently from other species of the genus, it has lower mortality at early ages and the highest peak is seen when it reaches the adult stage, which means it is a strong species. The zymograms that have been obtained confirm this species is different from B. havanensis. Since there are no marked differences on an individual basis, its correct identification requires to take into consideration every biological and ecological evidence available.
描述了奥比尼双脐螺的贝壳学、解剖学和齿舌特征，以及最大高度与最大直径之间的形态测量比率，其中回归系数值为0.9。奥比尼双脐螺的生命表显示其生命范围（L phi = 10.37）远高于古巴的其他现有物种；k = 0.17的值与哈瓦那双脐螺相似。它在中年时有两个繁殖高峰。与该属的其他物种不同，它在幼龄期死亡率较低，最高死亡峰值出现在成年阶段，这意味着它是一个强壮的物种。所获得的酶谱证实该物种与哈瓦那双脐螺不同。由于个体之间没有明显差异，其正确鉴定需要考虑所有可用的生物学和生态学证据。
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