地笼使用对钉螺扩散的影响  

Effect of ground cage use on Oncomelania hupensis spread

作　　者：钟梦婷 陆先权 方四海 蒋雪峰[1] 顾伟玲[3] 向泽林[3] ZHONG Mengting;LU Xianquan;FANG Sihai;JIANG Xuefeng;GU Weiling;XIANG Zelin(Pinghu Center for Disease Control and Prevention,Jiaxing,Zhejiang 314200,China;Xindai Township Central Healthcare Center,Pinghu City,Zhejiang Province,China;Jiaxing Center for Disease Control and Prevention,Jiaxing,Zhejiang 314050,China)

机构地区：[1]浙江省平湖市疾病预防控制中心,浙江平湖314200 [2]浙江省平湖市新埭镇中心卫生院 [3]浙江省嘉兴市疾病预防控制中心,浙江嘉兴314050

出　　处：《中国血吸虫病防治杂志》2024年第2期198-200,共3页Chinese Journal of Schistosomiasis Control

基　　金：浙江省嘉兴市科技项目(2022AY10032,2023AY11040)。

摘　　要：目的 观察地笼使用对钉螺扩散的影响,为制定钉螺精准防控措施提供参考。方法 购买捕鳝者常用地笼20只,其中包装带编织地笼11只、塑料地笼7只、尼龙绳编织地笼2只。于适宜钉螺繁殖的2024年4月13、26、28日15:00至次日8:00,将20只地笼分别放置在浙江省平湖市新埭镇钉螺密度相对较高(≥1.00只/0.1 m^(2))和相对较低(<1.00只/0.1 m^(2))环境中,比较不同钉螺密度环境中不同材质地笼携带钉螺数量。结果 在钉螺密度相对较高环境中共放置地笼11笼·次,检获钉螺77只,平均7只/(笼·次)、2.15只/0.1 m^(2)地笼,其中包装带编织地笼和塑料地笼平均钉螺携带数量为2.47只/0.1 m^(2)地笼和0.37只/0.1 m^(2)地笼;在钉螺密度相对较低环境中共放置地笼24笼·次,检获钉螺8只,平均0.33只/(笼·次)和0.09只/0.1 m^(2)地笼;其中包装带编织地笼平均钉螺携带数量为0.12只/0.1 m^(2)地笼,塑料地笼和尼龙绳编织地笼均未观察到携带钉螺。在钉螺密度较高环境中,地笼钉螺携带数量多于钉螺密度相对较低环境(Z=-4.019,P <0.01),包装带编织地笼在钉螺密度相对较高环境中的钉螺携带数量多于钉螺密度相对较低环境(Z=-4.086,P <0.01),不同材质地笼钉螺携带数量差异无统计学意义(Z=-1.873,P> 0.05)。结论 在有螺环境中使用地笼可导致钉螺扩散。Objective To examine the effect of ground cage use on Oncomelania hupensis spread,so as to provide insights into precision snail control.Methods Twenty ground cages that were frequently used to capture rice field eels were purchased,including 11 packaging tape-made cages,7 plastic cages and 2 nylon rope-made cages.The eel-capturing activity was mimicked,and 20 ground cages were assigned in settings with relatively high(1.00 snail/0.1 m^(2) and higher)and low snail densities(<1.00 snail/0.1 m^(2))in Xindai Township,Pinghu City,Zhejiang Province during the period from 15:00 to 8:00 of the following day on April 13,26 and 28.The numbers of snails carried by different types of ground cages were compared in settings with different types of snail densities using the rank-sum test.Results A total of 11 cage-times were assigned in settings with a high snail density,and a total of 77 snails were captured,with a mean number of 7 snails in each cage-time and 2.15 snails in 0.1 m^(2) ground cage.The mean numbers of snails carried by packaging tape-made and plastic cages were 2.47 snails/0.1 m^(2) cage and 0.37 snails/0.1 m^(2) cage,respectively.A total of 24 cage-times were assigned in settings with a low snail density,and a total of 8 snails were captured,with a mean number of 0.33 snails in each cage-time and 0.09 snails in 0.1 m^(2) ground cage.The mean numbers of snails carried by packaging tape-made cages were 0.12 snails/0.1 m^(2) cage;however,no snails were carried by plastic or nylon rope-made cages.The number of snails carried by ground cages was higher in settings with a high snail density than in settings with a low snail density(Z=-4.019,P<0.01),and the number of snails carried by packaging tape-made cages was higher in settings with a high snail density than in settings with a low snail density(Z=-4.086,P<0.01).No significant differences were found in the numbers of snails carried by different types of ground cages.Conclusion The use of ground cage in snail habitats is a contributor to snail spread.

关 键 词：钉螺 地笼 扩散 钉螺密度 

分 类 号：R383.24[医药卫生—医学寄生虫学]