In rats, the bacteria in the gut are different from those in the mouth and on the skin, with Bacteroidetes and Firmicutes being the most common types in the gut.

In rats, the bacteria on the skin are different from those in the mouth and gut, with Cyanobacteria being the most common type on the skin.

In rats, the bacteria in the mouth are different from those on the skin and in the gut, with Actinobacteria and Proteobacteria being the most common types in the mouth.