Method:First use the rat trace board method, and then use the night trapping method.
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2. 目的塑料地板胶制鼠迹板测试居民区住宅外鼠密度可行性。
Objective To study the feasibility on the rat density tested by the plastic rat trace board in residential districts.
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3. 方法目测法、鼠迹调查法、粉片法、掘开洞数法、饱和食饵消耗法。
Methods Visualization, investigation of mouse trace, using powder, Numbers of digged holes, saturated bait consuming.
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4. 方法采用粉迹法对整个校园的鼠密度进行测定。
Methods Trace the use of powder on the entire campus to determine the density.
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5. 方法室内采用粉迹法调查鼠密度，室外采用夹夜法调查鼠密度；投饵方式为一次性饱和投放溴敌隆毒饵。
Methods indoor and outdoor rodent density was investigated both indoor using powder tracking and night-trap Methods after saturated deployment of bromadiolone baits.
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6. 用粉迹法测定现场鼠密度，计算校正灭鼠率。
And using the powder trace method to determine the field rat density and calculate the deratization effect.
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7. 方法：对城区不同生活环境采用粉迹法进行鼠密度及鼠种调查。
Methods:Powder trace. Results:The average rodents density of different environment was 23 07%.
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8. 方法：对城区不同生活环境采用粉迹法进行鼠密度及鼠种调查。
Methods:Powder trace. Results:The average rodents density of different environment was 23 07%.
