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首页> 外文期刊>Parasitology >The reproductive effort of Lepeophtheirus pectoralis (Copepoda: Caligidae): insights into the egg production strategy of parasitic copepods
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The reproductive effort of Lepeophtheirus pectoralis (Copepoda: Caligidae): insights into the egg production strategy of parasitic copepods

机译：胸大足Le（Copepoda：Caligidae）的生殖努力：对寄生co足类卵生产策略的见解

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摘要

The reproductive effort of Lepeophtheirus pectoralis (Muller O. F., 1776), a caligid copepod, which is commonly found infecting the European flounder, Platichthys flesus (Linnaeus, 1758), is studied in detail for the first time. Seasonal variation in body dimensions and reproductive effort are analysed. Data for 120 ovigerous females, 30 from each season of the year, were considered in the analyses. Females were larger and produced a larger number of smaller eggs in winter, than during the summer. The relationship between egg number and egg size is similar to that recorded for other copepods exploiting fish hosts. Much of the recorded variation was also similar to that reported for a copepod parasitic on an invertebrate host, which suggests the possibility of a general trend in copepod reproduction. Overall, our results provide further support for the hypothesis that there is an alternation of summer and winter generations.
机译：首次详细研究了通常被发现感染欧洲比目鱼Platichthys flesus（Linnaeus，1758）的cal足pe足Lepeophtheirus pectoralis（Muller O.F.，1776）的生殖作用。分析了身体尺寸和生殖力的季节性变化。分析中考虑了120例雌雄同体的数据，一年中每个季节30例。与夏季相比，冬季雌性更大，产卵数量更多。卵数与卵大小之间的关系与其他利用pe鱼宿主的co足类动物所记录的相似。记录的大部分变异也与无脊椎动物宿主上的pe足类寄生虫报道的相似，这表明co足类繁殖有普遍趋势的可能性。总体而言，我们的结果为夏，冬两代交替的假设提供了进一步的支持。

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