自1966至1975年,在外贝加尔鼠疫自然疫源地用10%的ДДТ药粉广泛进行了啮齿类洞穴灭蚤,根据灭蚤效果可得出以下结论:在进行洞穴灭蚤后3年内,跳蚤数量恢复正常(Бурцев氏及其同事,1973)。在用ДДТ经常灭蚤的区域,研究跳蚤数量恢复的特点。由于查出存在鼠疫动物流行病的地段,所以在该处还进行了灭鼠。1976年,在赤塔州ОДовчнинский地区 From 1966 to 1975, widespread rodent flea fleeing with 10% ДДТ powder in the natural outbreak of plague outskirts of Baikal, based on the results of flea control, the following conclusions have been reached: Number of fleas recovered within 3 years of cave flea infestation Normal (Бурцев and colleagues, 1973). In areas where ДДТ often exterminates fleas, study the characteristics of flea restoration. Rodent control was also performed there as a result of the identification of the area where the epidemic of plague was present. 1976, in the district of ОДовчнинский in Chita