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本实验通过小鼠心血细菌培养、系统生化鉴定、药物敏感试验，及毒力试验对一组试验小鼠（ＢＡＬＢ／ｃ） 成批死亡原因进行了分析。结果证实：本组小鼠死亡原因是由普通变形杆菌引起的菌血症而致。提示：虽然变形杆菌为条件致病菌，在环境中广泛存在，但在特殊情况下，可以造成小鼠菌血症，导致其成批死亡
In this experiment, we analyzed the causes of batch death in a group of experimental mice (BALB / c) through the cultivation of mouse heart blood bacteria, biochemical identification, drug sensitivity test and virulence test. The results confirmed: The reason for the death of mice in this group is caused by Bacillus Proteus ordinary bacteremia caused. Tip: Although Proteobacteria is a pathogenic bacterium that is widespread in the environment, it can in particular cause bacteremia in mice, causing it to die in bulk