研究中使用了通过特殊饲养技术获得的无菌小鼠。这种小鼠可以接受人类的肠道菌类在其肠道中繁殖。
Researchers started with mice that were specially bred to be germ-free - with no gut microbiota of their own - and to be able to nurture human gut microbiota instead.
处理完毕后以无菌纱布包扎伤口，动物置于单笼饲养。
After wrapping with sterile gauze, the rats were feed separately.
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