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为考核奋斗呐杀灭地面游离蚤的效果,1997年10～11月在宜良等地作现场观察,灭蚤效果达92%以上。1 观察区概况 观察区均属农村,海拔1500～1600ｍ之间,年均气温15～16℃。房屋多为土墙瓦顶,少数为砖墙水泥顶;室内地面为土、三合土或水泥面;环境卫生较差,杂物堆较多,鼠类密度较高
To test the fighting na effect of killing fleas on the ground, from October to November 1997 in Yiliang made for on-site observation, flea control effect of more than 92%. 1 Overview of observation area The observation area is rural, with an altitude of 1500 ~ 1600m and an average annual temperature of 15 ~ 16 ℃. Most of the houses are earthen tile roofs, and a few are brick masonry ceilings. The indoor ground is soil, trigeminy soil or cement surface; the environmental sanitation is poor, the debris pile is more, the rodent density is higher