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[目的]对从美国进口货物中发现的鼠形动物进行分类鉴定,并分析产生鼠患的原因。[方法]根据各种鼠类形态特征和不同的特点,对发现的鼠形动物进行体型、头骨、牙齿的测量。[结果]根据测量结果和外观观察结果的综合分析,确定为美洲小家鼠。[结论]从美洲进口的集装箱中发现活鼠,在大连尚属首次,说明远距离运输的集装箱内环境已适合鼠的生存,加强进口货物在第一口岸的查验,对于控制传染病的传播具有重要的意义。
[Objective] To classify and identify the rodent animals found in the imported goods from the United States and analyze the causes of rodent infestation. [Method] According to the morphological characteristics and different characteristics of various rodents, the body shape, skull and teeth of the found rodents were measured. [Result] According to the comprehensive analysis of measurement results and appearance observation results, it was identified as Mus musculus americanus. [Conclusion] It was the first time that live rats were found in the containers imported from the Americas in Dalian, indicating that the environment inside the container transported long distances was suitable for the survival of rats and the inspection of imported goods at the first port was strengthened. The control of transmission of infectious diseases had Significance.