肠道线虫 ,鼠贾第鞭毛虫 ,毛滴虫和鼠螨是常见的寄生于小鼠体内、外的寄生虫 ,影响小鼠健康及实验结果的准确性。控制鼠螨流行和驱杀体内寄生虫 ,国内主要采用剖腹产和药物净化方法。剖腹产获得的动物质量高 ,但工作量大 ,对设备和技术条件要求高 ,仔鼠成活率低 ,若操作管理不 Intestinal nematodes, Giardia lamblia, Trichomonas vaginalis, and Rattus falciparum are common parasites in mice in vitro and in vivo, affecting the health of mice and the accuracy of experimental results. In order to control the plague of rats and drive internal parasites, cesarean section and drug purification methods are mainly adopted in China. The quality of animals obtained by Caesarean section is high, but the workload is large, the equipment and technical requirements are high, and the survival rate of pups is low, if the operation management is not