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目的：测定8．0％杀鼠灵母液对大白鼠的急慢性毒力。方法：且次或连续5次经口灌胃。结果：1次经口灌胃LDS50为1414mg／kg，属低毒；连续5次经口灌胃LD50为6．60mg／km，属高毒。结论：其急与慢性毒力差异大，使用安全，毒效可靠。
Objective: To determine the acute and chronic toxicity of 8.0% warfarin to rats. Methods: And times or 5 times by oral gavage. Results: The oral administration of LDS50 for 1 time was 1414mg / kg, which belonged to low toxicity. LD50 was 6.60mg / km for 5 consecutive times. Conclusion: The difference between acute and chronic virulence is large, safe to use and reliable.