方法：收集活体达乌尔黄鼠及其窝巢，置熏鼠桶用乙醚、汽油将鼠蚤一并熏死，捡蚤；
Methods:To collect living Citellus dauricus with nest, placed in the fuming-mouse tank, rats and fleas were fumed to the death in ther or petrol without exception, and then collected the fleas.
方法：收集活体达乌尔黄鼠及其窝巢，置熏鼠桶用乙醚、汽油将鼠蚤一并熏死，捡蚤；
Methods:To collect living Citellus dauricus with nest, placed in the fuming-mouse tank, rats and fleas were fumed to the death in ther or petrol without exception, and then collected the fleas.
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