Chin J Schisto Control ›› 2013, Vol. 25 ›› Issue (6): 642-.

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Optimization of time of artificial population schistosome infected Oncomelania hupensis snails

XIONG Chun-rong| YAO Yun-yi|YANG Kun*   

  1. Jiangsu Institute of Parasitic Diseases| Wuxi 214064|China
  • Online:2013-12-30 Published:2013-12-30
  • Contact: YANG Kun

钉螺人工群体感染血吸虫时间的优化

熊春蓉|姚韵怡|杨坤*   

  1. 江苏省血吸虫病防治研究所 (无锡 214064)
  • 通讯作者: 杨坤
  • 作者简介:熊春蓉| 女| 主管医师。研究方向: 钉螺生物学
  • 基金资助:
    国家自然科学基金 (81101275); 江苏省自然科学基金 (BK2010153)

Abstract: Objective To explore the optimizational time of artificial population schistosome infected Oncomelania hupensis snails. Methods Under laboratory conditions,the snails were infected with the miracidia of Schistosoma japonicum for 2 h,3 h and 4 h respectively,and the death rates and the infection rates of the snails,and the quantities of cercariae of each group were ob? served 60-120 d after the infection,and all the data observed were analyzed to get the optimizational time of artificial population schistosome infected snails. Results Of the 3 h group,the snail infection rate was the highest and the mortality was the lowest among the 3 groups(P<0.05) . The average number of cercariae of the 3 h group was higher than that of the 2 h group(P<0.05), while there was no statistical difference between the 3 h group and the 4h group(P>0.05) . Conclusion Under laboratory condi? tions, the optimizational time is 3 h in artificial population schistosome infected O. hupensis snails.

Key words: Schistosoma japonicum;Artificial infected snail; Infection rate;Cercaria

摘要: 目的 目的 探讨钉螺人工群体感染血吸虫的优化时间。方法 方法 在实验室条件下, 采用日本血吸虫毛蚴分别感染钉螺 2、 3、 4 h 3组, 观察感染60~120 d后各组钉螺死亡率、 钉螺感染率及尾蚴获得量, 分析各组3个指标的差异, 以钉螺死亡率 相对低、 钉螺感染率和尾蚴获得量相对高的钉螺感染时间为最优时间。结果 结果 3 h感染组60 d的钉螺感染率显著高于其他 组 (P<0.05), 钉螺死亡率低于其他组 (P<0.05), 60~120 d的尾蚴获得量显著高于2 h感染组 (P<0.05), 与4 h感染组差异 无统计学意义 (P>0.05)。结论 结论 实验室条件下, 血吸虫毛蚴人工群体感染钉螺3 h为相对优化的感染时间。

关键词: 日本血吸虫; 人工感染钉螺; 感染率; 尾蚴

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