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目的了解荣宝对鱼类的急性毒性作用。方法配制不同浓度的荣宝溶液后放入经过适应性驯养的鱼苗,观察鱼苗在96 h内的中毒及死亡情况。结果50 mg/L浓度组鱼苗接触药液至96 h后仍无死亡,且活动自如,无明显中毒表现;鱼苗在12 h的LC50为175.267 mg/L。结论荣宝具有一定的杀螺作用,对鱼类为低毒药物,是一种安全有效的杀螺药。
Objective To understand Rongbao’s acute toxicity to fish. Methods Different concentrations of Rongbao solution were prepared and put into adaptive domesticated fry to observe the poisoning and death of fry within 96 hours. Results The fish fry exposed to 50 mg / L had no death after 96 h exposure and had no symptoms of poisoning. The LC50 of fry at 12 h was 175.267 mg / L. Conclusion Rongbao has a certain role in the snail killing, low toxicity of fish drugs, is a safe and effective snail control.