Pigs eat fresh feces of hens in the pen, leading to 30% of concentrated ground area. 50% building and 30% expenses can be economized.

这种立体联养舍，可使猪检食鲜鸡粪，节省30%的占地面积，降低建筑费用50%以上。

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Researchers then injected the mice with samples of fresh and frozen human feces, the bacteria from which actually took hold and colonized in the gut of the mice.

之后研究者将冷藏的新鲜人类排泄物接种到小鼠中，并观测到这些来自于人类肠道的菌类能够小鼠肠道中繁殖。

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