瞎老鼠(鼢鼠)主要分布在本省脑山地区,浅山、平旱地区次之,是本省山区农业生产上最主要的兽害。发生面积约占全省总耕地面积的75%,密度:据脑山地区调查平均每亩有鼠2～4只,浅山、平旱地区每亩有鼠2只。主要为害洋芋、豆类、小麦、青稞种子,其次亦取食黑燕麦、苦苦菜、野胡萝卜等野生杂草,以 The blind mice (zokus) are mainly distributed in the Beishan area of ​​the province, followed by the shallow mountains and the arid areas, and are the most important animal diseases in agricultural production in the mountainous areas of the province. Occurrence of the area accounts for about 75% of the total cultivated area of ​​the province. Density: According to the investigation in the mountain area, there are 2 to 4 rats per acre on average. In the shallow mountains and plains, there are 2 rats per acre. The main damage to potato, beans, wheat, barley seeds, followed by also eat black oats, bitter herbs, wild carrots and other wild weeds to