What are the main forms of feces?

The form of manure is distinguished according to the solid and water content: intuitively, manure mainly exists in two different forms: solid and liquid; According to the solid content in feces, it can be further subdivided into solid, semi-solid, fecal slurry and liquid, and the solid content of these four forms is >: 20%, 10%~20%, 5% ~ 10% respectively.