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目的了解北京市畜禽养殖场(猪场、牛场、鸡场)主要害鼠种类和害鼠发生的季节性变化规律,为害鼠防治提供参考。方法 2010年8月至2011年7月,于北京市房山、平谷、顺义区的9个畜禽养殖场,每月以花生米作诱饵,采用夹夜法调查害鼠种类和密度。结果全年共置21600夹次,捕获小家鼠和褐家鼠236只;统计显示秋(9-11月)冬(12-2月)两季养殖场害鼠发生较重,期间捕获鼠数分别占总捕获数的54.4%和31.6%,其中10月种群数量最高;整个年度小家鼠和褐家鼠数量呈交替变化趋势;全年种群性比小家鼠为1.63,褐家鼠为0.71。结论秋季(9-11月)是北京地区养殖场害鼠防治关键期之一。
Objective To understand the main species of rodent pests and seasonal changes of rodents in Beijing livestock and poultry farms (pig farms, cattle farms and chicken farms) and provide references for the prevention and treatment of rodent pests. Methods From August 2010 to July 2011, peanut was used as bait every month in 9 farms in Fangshan, Pinggu and Shunyi districts of Beijing. Results A total of 21,600 colonies were co-located throughout the year, capturing 236 Mus musculus and Rattus norvegicus. Statistics showed that during the autumn (September-November) winter (December-February) Accounting for 54.4% and 31.6% of the total, respectively, of which the population in October was the highest; the numbers of Mus musculus and Rattus norvegicus showed an alternating trend throughout the year; the annual population was 1.63 for Mus musculus and 0.71 for Rattus norvegicus . Conclusion Autumn (September-November) is one of the key stages of pest control in farms in Beijing.