| 春季提早水淹对钉螺卵胚发育影响的实验观察 |
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| 引用本文： | 夏全斌,谢长松,陈美丽,徐玉秀,余金成,陈祜鑫,刘筠. 春季提早水淹对钉螺卵胚发育影响的实验观察[J]. 中南大学学报(医学版), 1983, 0(4) |
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| 作者姓名： | 夏全斌 谢长松 陈美丽 徐玉秀 余金成 陈祜鑫 刘筠 |
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| 作者单位： | 湖南省寄生虫病防治研究所(夏全斌，陈美丽，余金成)，湖南医学院寄生虫学教研组(谢长松，陈祜鑫)，华容县血吸虫病防治院(徐玉秀)，湖南师范学院生物系(刘筠) |
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| 摘 要： | 本文报告比常年春汛提前一个月,在早春三月中旬人工水淹洞庭湖草滩的钉螺,发现水淹深度0.5米或0.25米时螺卵的孵出率都很低。对未孵出的卵作组织学检查,水淹后第30天,发现82%以上卵胚结构有明显的破坏和坏死现象。认为提早人工水淹影响钉螺卵胚的发育,可大幅度降低螺口密度。从而证实春季提早水淹灭螺的效果。
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| 关 键 词： | 螺类(钉螺) 胚胎学(水淹) |
EXPERIMENT ON THE EFFECT OF FLOODING IN EARLY SPRING TO THE DEVELOPMENT OF ONCOMELANIA EGGS AND EMBRYOS |
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| Xia Quanbing,Chen Meili,Yu Jingcheng Institute of Parasitic diseases,Hunan ProvinceXie Changsong. EXPERIMENT ON THE EFFECT OF FLOODING IN EARLY SPRING TO THE DEVELOPMENT OF ONCOMELANIA EGGS AND EMBRYOS[J]. Journal of Central South University. Medical sciences, 1983, 0(4) |
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| Authors: | Xia Quanbing Chen Meili Yu Jingcheng Institute of Parasitic diseases Hunan ProvinceXie Changsong |
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| Affiliation: | Xia Quanbing,Chen Meili,Yu Jingcheng Institute of Parasitic diseases,Hunan ProvinceXie Changsong Department of Parasitology,Hunan Medical CollegeXu yuxiu Antischistosomiasis station,Huarong county |
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| Abstract: | In March,1977,experimental observations on the effect of forehead floodingin early spring to the development of Oncomelania snail eggs and embryos werecarried out in the East Dongting Lake grassy marshes(one month before regularflooding).Before the flooding,Oncomelania snails had laid a large amount of eggeson the ground(471 eggs/900cm),30 days after the flooding,most of the Oncome-lania embryos were disintegrated.In the control area,most embryos developed no-rmally and on the 24th day,some of them developed into young snails.It is suggested that in the Oncomelania breeding places,especially those withlow altitudes such as grassy marshes,pits and ditches,artificial flooding in theearly spring can be used to lower down the snail density in large extent.(This work was completed under the guidance of Associate Prof.Liu Duo andlate Prof.Chen Guxin.) |
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| Keywords: | snails(Oncomelania)embryology flooding |
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