论文部分内容阅读
目的收集2005—2014年宁夏黄土高原动物鼠疫监测数据,为该地区自然疫源性疾病的防控提供科学指导。方法收集统计宁夏黄土高原3个县、区鼠疫相关监测数据和资料,建立2005—2014年宁夏黄土高原鼠疫监测数据库。黄鼠胚胎组织学研究采取剖检观察计数的方法。结果 10年间宁夏高原共抽样调查7 976样方点,黄鼠每公顷密度年均在0.23只~1.52只之间,呈现明显的年季间下降趋势;夜行的鼠形动物年均捕获率在0.51%~4.72%之间,年季间波动较大;黄鼠鼠体年均蚤指数在1.02~1.63之间,年季间波动较小。10年来动物鼠疫病原学检验和血清学检测结果全部阴性。黄鼠胎仔数及妊娠斑平均为4.5只。结论宁夏黄土高原黄鼠种群数量呈现下降趋势,而其他夜行的鼠形动物数量呈上升趋势,特别是姬鼠群落,现阶段动物间鼠疫发生的风险较低。
Objective To collect the surveillance data of animal plague from 2005 to 2014 in the loess plateau of Ningxia and provide scientific guidance for the prevention and control of natural foci of the area. Methods Statistical data and data on plague surveillance in three counties and districts of the Ningxia Loess Plateau were collected and a database of plague surveillance in the Loess Plateau of Ningxia from 2005 to 2014 was established. Cynomolgus histological study to take the method of necropsy observation count. Results A total of 7 976 sampling sites were surveyed in Ningxia Plateau in 10 years. The annual density of chingchu was between 0.23 and 1.52 per hectare, showing a clear declining trend from year to year. The annual average capture rate of rat was 0.51% ~ 4.72%, and fluctuated more in the annual season. The average annual flea index of the rat was between 1.02 and 1.63, with little fluctuation between years. 10 years of animal plague etiology and serology test results were negative. The average number of littermates and pregnancy spots was 4.5. Conclusions The population of S. gonorrhoeae decreased on Ningxia loess plateau, while the number of other nocturnal rats increased. Especially for the Apodemus agrarian community, the risk of plague was low at this stage.