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首页> 外文期刊>Journal of Parasitology >HIMASTHLA ALINCIA (ECHINOSTOMATIDAE): METACERCARIAE IN BRACKISH WATER BIVALVES AND THEIR GROWTH AND DEVELOPMENT IN EXPERIMENTAL ANIMALS
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HIMASTHLA ALINCIA (ECHINOSTOMATIDAE): METACERCARIAE IN BRACKISH WATER BIVALVES AND THEIR GROWTH AND DEVELOPMENT IN EXPERIMENTAL ANIMALS

机译：HIMASTHLA ALINCIA（ECHINOSTOMATIDAE）：微咸水两栖类中的金刚鹦鹉科及其在实验动物中的生长和发育

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摘要

Metacercariae of Himasthla alincia (Echinostomatidae) were discovered in brackish water bivalves in the Republic of Korea; their growth and development were observed in experimental animals. Five species of clams (Mactra veneriformis, Solen grandis, Meretrix petechialis, Cyclina sinensis, and Tapes philippinarum) were found to harbor the metacercariae of H. alincia. Chicks, rats, and mice were orally fed the metacercariae, and worms were recovered from their intestines from day 1 to day 20 postinfection (PI). Only chicks appeared to be a fairly suitable host, although the worm recovery was low, i.e., 1.5% from 17 chicks, and the number decreased from 2.6% on day 1 PI to 1.3% on day 20 PI. Worm development in chicks was quick and remarkable during days 10–20 PI. Adult flukes were morphologically characterized by the presence of a head collar with 31 dorsally uninterrupted collar spines, including 4 end-group spines, and distribution of vitellaria only up to the most posterior margin of the cirrus sac. We verified that several species of brackish water clams are second intermediate hosts for H. alincia, and that its life cycle occurs in the Republic of Korea.
机译：在大韩民国的咸淡水双壳类动物中发现了Himasthla alincia（Echinostomatidae）的尾cer。在实验动物中观察到它们的生长和发育。发现了五种蛤类（隐居于蛤。的尾（）（Mactra veneriformis，Solen grandis，Meretrix petechialis，Cyclina sinensis和Tapes philippinarum）。给小鸡，大鼠和小鼠口服喂食meta尾cer，并在感染后（PI）第1天至第20天从其肠道中回收蠕虫。尽管蠕虫的恢复率很低，即17只雏鸡的恢复率为1.5％，并且蠕虫的恢复率从第1天的2.6％降至第20天的1.3％，但只有小鸡似乎是相当合适的宿主。雏鸡在感染后10到20天的蠕虫发育迅速而显着。成年的形态学特征是头颈的背侧不间断的有31个棘突，其中包括4个端基棘突，而黄tell分布到卷囊的最后缘。我们验证了几种咸淡水蛤species是H. alincia的第二个中间寄主，其生命周期发生在大韩民国。

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