Biochemical reactions Feed in the rumen Cellulose, starch, and so on Cellulolysis, amylolysis Fermentation Gluco 知 Formate Lactate Succinate H2+ cOz Propionate+ cO2 Acetate Travel across rumen wall Propionate to bloodstream Removed by eructation to Bu strate atmosphere Overall stoichiometry of rumen fermentation 5759uc 65 acetate+ 20 propionate+ 15 butyrate+60 CO, +35 CHe+25,OBiochemical reactions in the rumen