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| 山丘型血吸虫病流行区沟渠环境地膜覆盖灭螺效果观察 | |
| 引用本文： | 祝红庆,钟波,张贵荣,唐书贵,曹淳力,张旭东,贾彬,张奕,李建国,付涛,陈琳,陆定,鲍子平.山丘型血吸虫病流行区沟渠环境地膜覆盖灭螺效果观察[J].中国血吸虫病防治杂志,2011,23(2):128-132. |
| 作者姓名： | 祝红庆 钟波 张贵荣 唐书贵 曹淳力 张旭东 贾彬 张奕 李建国 付涛 陈琳 陆定 鲍子平 |
| 作者单位： | 1. 中国疾病预防控制中心寄生虫病预防控制所 上海 200025 2. 四川省疾病预防控制中心寄生虫病预防控制所 3. 四川省彭州市血吸虫病防治站 4. 四川省成都市疾病预防控制中心 |
| 摘 要： | 目的观察地膜覆盖法在山丘型血吸虫病流行区沟渠环境的灭螺效果。方法选择有螺沟渠作为试验现场,分设施药覆膜组（采用50%氯硝柳胺乙醇胺盐可湿性粉剂按2 g/m2的剂量喷洒后覆盖地膜）、单纯覆膜组（不施药直接覆盖地膜）和对照组（不采取任何灭螺措施）。于覆膜后7、10、40、60 d和90 d,分别进行灭螺效果调查,并每天测定地膜内外环境温度。结果覆膜后膜内温度显著高于膜外（t=4.12,P〈0.01）;覆膜7 d后施药覆膜组和单纯覆膜组的活螺密度较实验前分别下降99.01%和67.71%,10 d后分别下降96.58%和93.06%,40 d后均可达100%。多因素回归模型显示,施药覆膜、延长覆膜时间、提高膜内累积温度等均能有效提高灭螺效果。结论地膜覆盖法具有较好的灭螺效果,短时期施药加覆膜作用强于单纯地膜覆盖,随着覆膜时间增加,单纯地膜覆盖同样具有理想的灭螺效果。 |
| 关 键 词： | 氯硝柳胺 地膜 钉螺 杀螺效果 山丘型地区 |
Molluscicidal effect of film on ditches in mountainous schistosomiasis endemic regions |
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| Zhu Hong-qing,Zhong Bo,Zhang Gui-rong,Tang Shu-gui,Cao Chun-li,Zhang Xu-dong,Jia Bin,Zhang Yi,Li Jian-guo,Fu Tao,Chen Lin,Lu Ding,Bao Zi-ping.Molluscicidal effect of film on ditches in mountainous schistosomiasis endemic regions[J].Chinese Journal of Schistosomiasis Control,2011,23(2):128-132. | |
| Authors: | Zhu Hong-qing Zhong Bo Zhang Gui-rong Tang Shu-gui Cao Chun-li Zhang Xu-dong Jia Bin Zhang Yi Li Jian-guo Fu Tao Chen Lin Lu Ding Bao Zi-ping |
| Institution: | Zhu Hong-qing1,Zhong Bo2,Zhang Gui-rong3,Tang Shu-gui4,Cao Chun-li1,Zhang Xu-dong2,Jia Bin3,Zhang Yi2,Li Jian-guo3,Fu Tao3,Chen Lin2,Lu Ding2,Bao Zi-ping11 National Institute of Parasitic Diseases,Chinese Center for Disease Control and Prevention,Shanghai 200025,China,2 Institute of Parasitic Diseases,Sichuan Provincial Center for Disease Control and Prevention,3 Pengzhou Municipal Station of Schistosomiasis Control,4 Chengdu Center for Disease Control and Prevention |
| Abstract: | Objective To evaluate the molluscicidal effect of film on ditches in mountainous schistosomiasis endemic regions.Methods A ditch with Oncomelania hupensis snails was selected as experimental field.The ditch was divided into 3 parts(groups): a niclosamide plus film covering group(film covering after spraying by wettable powder of 50% niclosamide ethanolamine salt upon 2 g/m2),a film covering group(film covering directly without niclosamide spraying),and a control group(no molluscicidal measures).The snail in... |
| Keywords: | Niclosamide Film Oncomelania snail Molluscicidal effect Mountainous region |
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