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首页> 外文期刊>Journal of Parasitology >Loss of trematode parthenitae in Planorbella trivolvis (Mollusca: Gastropoda).
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Loss of trematode parthenitae in Planorbella trivolvis (Mollusca: Gastropoda).

机译:单性吸虫的损失Helisoma trivolvis(软体动物:双壳纲)。

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摘要

Infection by trematode parthenitae (larval, asexual trematodes) has severe consequences for molluscan hosts, resulting in cessation of reproduction and early mortality. Here we present evidence that the freshwater snail Planorbella trivolvis can lose infections by trematode parthenitae. Of 8 P. trivolvis infected by reniferin parthenitae, 6 died within 2 wk, whereas the remaining 2 snails lost their infections within 82 days after initial examination. This phenomenon might suggest that molluscs can resist established trematode infections (i.e., "self-cure") or at least out-survive some trematode parthenitae.
机译:单性吸虫(幼虫,无性吸虫)感染对软体动物寄主有严重后果,导致繁殖停止和早期死亡。在这里,我们提供证据表明淡水蜗牛Triorbella可以失去单性吸虫的感染。在肾上腺素肾上腺皮质激素感染的8个Trivolvis中,有6只在2周内死亡,而其余2只蜗牛在初次检查后的82天内失去了感染。这种现象可能表明软体动物可以抵抗已确定的吸虫感染(即“自治”),或者至少可以幸免于某些吸虫性单性吸虫。

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