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首页> 外文期刊>The Korean Journal of Parasitology >Infestation of larval trematodes from fresh-water fish and brackish-water fish in River Hyungsan, Kyungpook Province, Korea
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Infestation of larval trematodes from fresh-water fish and brackish-water fish in River Hyungsan, Kyungpook Province, Korea

机译：韩国庆北省庆山河淡水鱼和咸淡水鱼的幼虫吸虫感染

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In order to determine the infestation patterns for metacercaria of digenetic trematodes, several kinds of fresh-water and brackish-water fish were caught in River Hyungsan, Kyungpook Province, Korea and examined from March to October in 1983. They were collected by netting, fishig with rod and line, or using the bait of crushed oil cake in transparent plastic bowls, and were dissected into the flesh, scales and fins with tail, and then examined for the presence and infestation density of larval trematodes. Of the 11 kinds of fish examined, the encysted larvae of Exorchis oviformis were found all of them, Metagonimus yokogawai from 9 kinds, Cyathocotyle orientalis, Metacercaria hasegawai and Metorchis orientalis from 6 kinds, and Clonorchis sinensis from 4 kinds in the present study. In the intensity of infestation with Clonorchis sinensis, the Korean shiner, Gnathopogon atromaculatus Nichols et Pope, was the most heavily infected species, the average number of metacercariae per gram of fish flesh being 45.5, followed by the striped shiner, Puntungia herzi Herzenstein 11.6, and Southern top-mouthed minnow, Pseudorasbora parva (Temminck et Shlegel), 9.7. The intensity of infestation with the Metagonimus larvae in 8 species of fresh-water fish was relatively low, and the average number per gram of flesh varied from 0.23 to 9.1. In comparison, the brackish-water fish were more heavily infected and the mean number of cysts per gram of flesh in the sweetfish, Plecoglossus altivelis, was 32.9. The results of this study generally indicate that Clonorchis sinensis and Metagonimus yokogawai infection may occur by consuming raw fresh-water fish caught in the river Hyungsan, Kyungpook Province, Korea.
机译：为了确定双基因吸虫的尾cer的侵染方式，1983年3月至10月，在韩国庆北省庆山河捕获了几种淡水和微咸水鱼类，并通过网状捕捞来收集。用杆和线，或用粉碎的油饼在透明的塑料碗中诱饵，将其切成肉，鳞片和带尾鳍，然后检查幼虫吸虫的存在和侵染密度。在所研究的11种鱼中，发现了所有的Exorchis oviformis幼虫，其中9种为横生Metagonimus yokogawai，6种为东方侧柏（Cyathocotyle Orientalis），Metacercaria hasegawai和Metorchis Orientalis为4种，而中华Clo（Clonorchis sinensis）为4种。就中华支睾吸虫的侵染强度而言，韩国光泽的Gnathopogon atromaculatus Nichols et Pope是受感染最严重的物种，每克鱼肉的平均尾cer虫数量为45.5，其次是条纹光泽的Puntungia herzi Herzenstein 11.6，南部top嘴min鱼（Pseudorasbora parva）（Temminck et Shlegel），9.7。在8种淡水鱼中，Metagonimus幼虫的侵扰强度相对较低，每克肉的平均数量在0.23至9.1之间变化。相比之下，微咸水鱼受到的感染更严重，香鱼Plecoglossus altivelis中每克肉的平均囊肿数为32.9。这项研究的结果总体上表明，食用朝鲜河平山的清山河中捕获的生淡水鱼可能会引起中华支睾吸虫和横河Metagonimus yokogawai感染。

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