小鼠为实验室常用动物，近年来国内、外文献曾有使用小鼠作钩体病原分离或实验研究之报道，为查明我校动物室小鼠自然感染钩体的情况，特对之进行调查，现将结果报告于后。一、病原体分离我们从我校动物室任选将淘汰末作实验的成年小鼠32只、无菌解剖，背部取肾、脾如芝麻粒大 Mice are commonly used animals in the laboratory. In recent years, domestic and foreign literature have reported the use of mice as leptospirosis or experimental studies. In order to find out the natural infection of leprosy in our laboratory, Investigation, report the result now. First, the separation of pathogens We choose from the animal room in our school will be eliminated at the end of experimental adult mice 32, sterile anatomy, back kidney, spleen, such as large sesame seeds