Simplify the following text for a Grade 12 native English-speaking person.
Original: Almost all the glucose produced by the breaking down of cellulose and hemi-cellulose is used by microbes in the rumen , and as such ruminants usually absorb little glucose from the small intestine .
Simplified: Almost all the glucose produced by breaking down the cellulose is used by microbes in the rumen , and so ruminants usually absorb little glucose from the small intestine .