2000～2009年隆林县鼠疫主要宿主黄胸鼠密度及体表蚤监测分析

目的]了解隆林县鼠疫自然疫源地内主要宿主黄胸鼠及其体表蚤的种类、构成和季节消长,为制定鼠疫防制对策提供依据。方法]对隆林县2000-2009年鼠疫疫区处理、监测资料和鼠疫专题调查资料进行分析。结果]2000-2009年累计布笼146 206笼次,捕获黄胸鼠3 956只,平均鼠密度为2.71%。平均鼠密度,各年分别为5.09%、1.39%、6.20%、2.04%、3.98%、2.26%、2.57%、2.61%、2.63%、2.75%,1-12月分别为2.71%、2.78%、3.17%、3.23%、3.35%、2.99%、2.59%、2.43%、1.82%、2.15%、2.94%、2.11%。2000-2009年合计梳检黄胸鼠3 956只,染蚤的1 143只,平均染蚤率为28.89%,收集体表蚤4 101匹,平均蚤指数为1.04。4 101匹蚤中,印鼠客蚤占78.59%（印鼠客蚤指数为0.81）,缓慢细蚤占18.09%,不等单蚤占2.17%,猫栉首蚤占0.63%,人蚤占0.49%,伍氏病蚤占0.02%。结论]隆林县黄胸鼠密度和鼠体表蚤指数较高,印鼠客蚤是体表蚤的优势蚤种。

Surveillance on Density and Parasitical Fleas of Rattus flavipectus in Longlin County,2000-2009

Objective] To understand the seasonal fluctuation of Rattus flavipectus and the species composition of fleas,so as to provide the basis for the policy making in Longlin county.Methods]The epidemic data,the surveillance and treatment results of plague were analyzed in Longlin county from 2000 to 2009.Results]A total of 3 956 rats were captured in Longlin county from 2000 to 2009.The average density of rodents was 2.71%,the annual density was 5.09%,1.39%,6.20%,2.04%,3.98%,2.26%,2.57%,2.61%,2.63% and 2.75%.From January to December was 2.71%,2.78%,3.17%,3.23%,3.35%,2.99%,2.59%,2.43%,1.82%,2.15%,2.94% and 2.11%.A total of 1 143 Rattus Flavipestus were infected and 4 101 fleas were collected,the average rodents infected with flea and index of flea were 28.89% and 1.04.Xenopsylla Cheopis accounted for 78.59%（its index was 0.81）,Leptopsylla segnis accounted for 18.09%,Monopsyllus anisus accounted for 2.17%,Ctenocephalides felis accounted for 0.63%,Pulex irritans accounted for 0.49% and Nosopsyllus wualis accounted for 0.02%.Conclusion]Rattus flavipectus and its parasitical fleas maintain a high level.Xenopsylla Cheopis are the dominant species.