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长爪沙鼠是乌兰察布高原和鄂尔多斯高原鼠疫自然疫源地的主要储存宿主。自70年代初由内蒙古哲里木盟进入通榆县西部,并沿着贯穿吉林西部、西南东北走向的沙垅沙岗地带以每年18.25km的速度向前扩散。现已分布在通榆、乾安、长岭、双辽4个县(市)的28个乡的风沙草原地带。因此,研究和掌握该地区长爪沙鼠对鼠疫菌松辽平原型感受性水平,对确定长爪沙鼠在黄鼠疫源地内的流行病学作用及其作为该疫源地主要储存宿主的可能性进行评价是十分必要的。1 材料和方法
Mongolian gerbils are the main storage hosts for the natural foci of plague in Wulanchabu Plateau and Erdos Plateau. Since the early 1970s, the Inner Mongolia Zhelemu League has entered the west of Tongyu County and spreads at an annual rate of 18.25km per year along Shagang Shagang, which runs through the west of Jilin and northeast of southwest. Now distributed in Tongyu, Qian’an, Changling, Shuangliao 4 counties (cities) of the 28 townships windy grassland zone. Therefore, to study and grasp the sensitivity level of Plague Mongolian spp to Liao-Liao plains in the area, and to determine the epidemiological role of Mongolian gerbils in the yellow plague foci and its potential as the main storage host of the foci Evaluation is very necessary. 1 Materials and methods