东祁连山某部喜马拉雅旱獭蚤类数量观察

Dynamic observation of quantity of fleas on Mormota hemanayanain certain area of eastern Qi lian moutain

目的探索肃南县西水地区喜马拉雅旱獭体外寄生蚤的数量动态对旱獭鼠疫的影响。方法采用旱獭鼠疫监测方法,针对1982～2001年鼠疫监测效果进行评价和分析。结果旱獭体外寄生蚤指数的年度变化,特别是旱獭洞干蚤指数的年度变化和当地旱獭鼠疫在鼠疫菌检出率呈正相关(P<0.01)。结论旱獭寄生蚤在旱獭鼠疫自然疫源地中所起的作用,特别是维持鼠疫自然疫源性及鼠疫菌的长期保存上的作用,占有相当重要的意义。

Objective To explore that dynamic state of quantity of outside bod y parasitic fleas on Mormota hemanayana effect on marmot plague in Xishui area,S hunan country. Method We adopted surveillance method of marmot plague and evalua ted and analyzed effects of surveillance during 1982 to 2001. Result Annual cha nges of index marmot outside body parasitic fleas,especially cave fleas index ha ve positive correlation with the rate of checking out Y.pestis in local marmot p lague(P< 0.01). Conclusion It has more important significance for marmot parasit ic fleas to have effects on marmot natural focuses of plague and keep nature of the natural focuses of plague and take care of Y.pestis for ever.