关键词: 黄兔尾鼠, 沙鼠疫源地, 宿主地位和作用

Abstract: Lagurus luteus distribute widely in the Desert Prairie of Northern Inner Mongolia,Especially in the low valley,low lakeside and the low tab1eband of the prairie.It live closely and has main vector fleas together with Meriones unguiculatus and Meriones meridianus.It actively joins the prevalent processes of M.unguiculatus plague in the habitats of low valley where the epizootiology of plague frequently.Experimenta1 Studies show that it is susceptib1e to plague bacillus,thereare greater differences in the susceptbi1itiesamong the individuals.The resistances and bacteriemia periods of its population are greater and longer respectivelly.It plays an important role in the processes of p1ague transmission and conservation in the areas where its population is concentrated and it is the host member of polyhost foci.