摘要
目的 验证硼镁石粉的杀螺效果,分析其作用机理,为其合理使用提供依据。方法 采用纸钱法、熏杀法以及WHO“杀螺剂实验室终筛法”中的浸杀法和接触法测试和比较硼镁石粉的灭螺效果。结果 硼镁石粉熏杀法没有灭螺效果,接触法和浸杀法的效果较好。浸杀法起效时间短,接触法效果较稳定。27℃作用时间4 d时,接触法的LD_(50)为4.07 g/m^2,作用时间越长效果越好。结论 硼镁石粉用于灭螺时是逐渐起效的,灭螺效果好,长期效果稳定,其作用机理可能是通过接触可溶物而杀灭钉螺。
Objective To validate the molluscicidal effect of magnesium borate ore powder (MBOP), and explore the mechanism for providing the scientific basis for the field use. Methods The experiments were performed by the Copper Coin method, Volatilization method and Immersion and Sprinkle methods recommended by WHO. Results The MBOP can't kill the snail by the volatilization. The molluscicidal effect was well by the Immersion and Sprinkle methods. The acted effect was quick by using the Immersion method while the effect was more stable by using the Sprinkle method.LD_(50) of the Sprinkle method (27℃,4 days) was 4.07 g/m2. Conclusion MBOP's molluscicidal effectiveness is well, the action appears gradually and the effect is stable. The possible mechanism of MBOP might act through some dissolved components.
出处
《中国血吸虫病防治杂志》
CAS
CSCD
2003年第5期360-363,共4页
Chinese Journal of Schistosomiasis Control
关键词
硼镁石粉
灭螺方法
作用机制
Magnesium borate ore powder
Snail control method
Mechanism
