近年来我厂冷库鼠害严重,不仅咬吃商品,咬坏冷库绝缘层;而且在肉片及药品上排泄粪尿,筑窝繁殖,使国家财产遭受损失.为防止鼠害,我们开展了“敌鼠钠块”灭鼠的试验工作.实践证明:“敌鼠钠块”灭鼠效果好.一九七七年八月和一九七八年十一月连续投药二次共灭鼠三百三十余只.现鼠害基本消灭. In recent years, I plant a serious cold rat, not only bite eating goods, biting cold insulation, but also in the meat and medicine excretion of urine, building nest breeding, the national property suffered losses .In order to prevent rodent damage, we launched the “enemy Rat sodium block ”experimental work of rodent control. Practice has proved that:“ rodent sodium block ”rodent control effect .In August 1978 and November 1978 for a second consecutive administration of a total of rodent three hundred and three More than ten mice are now basically eliminated.