省爱卫会主任王屏山在新闻发布会上宣布,我市越秀、荔湾、东山、海珠四个区经专家鉴定验收,已成为我省第一批无鼠害市镇城区。根据国家有关规定,无鼠害区鼠密度的指标,鼠夹阳性率(夹住老鼠)不超过1%,粉板阳性率(有老鼠足迹)不超过5%。市内四个区共抽样4000多个,以夹鼠为零、粉板 Provincial Health Guardian Wang Ping Shan announced at a news conference, Yuexiu City, Liwan, Dongshan, Haizhu four districts identified by experts, has become the first batch of no rodent town in our province. According to the relevant regulations of the state, there is no index of mouse density in rat-poison zone. The positive rate of rat clamp (clamp mouse) is less than 1% and the positive rate of powder plate (with mouse footprint) is no more than 5%. The city’s four districts sampled a total of more than 4,000 to chuck rats zero, pink