据预测,2004年我国农区鼠害为中等偏重发生,部分地区大发生。据全国农区鼠情监测网监测2003年秋冬季至2004年春季,全国农区鼠密度上升明显,陕西省平均捕获率为4%,最高达13%以上;吉林省2003年秋季玉米田、大豆田平均害鼠密度达18.9%,2004年春季农田平均鼠密度达30%湖南省平均捕 It is predicted that in 2004 China’s rural areas rodent pests occurred moderately, occurred in some areas. According to the National Agricultural Rodent Monitoring Network monitoring the autumn and winter of 2003 to the spring of 2004, the density of rodent pests in the whole country increased significantly, with an average catch rate of 4% in Shaanxi Province and a maximum of 13% or more. In the autumn of 2003, Pest density of 18.9%, the average farm density in 2004 spring 30% of the average catch in Hunan Province