Give the outlines of fermentation occurring within the rumen.
The overall fermentation taking place is the rumen may be described by equation.
57.5 (C6H12O6) —— 65 acetate + 20 propionate + 15 butyrate + 60 CO2 + 35 CH4 + 25H2O
Microorganisms present in the rumen convert cellulose, starch and other ingested nutrients to, carbon dioxide, hydrogen gas, methane and low molecular weight organic acids as acetic, propionic and butyric acids. The organic acids are absorbed in the blood stream of the animal and on aerobic oxidation give out energy. Ruminants are capable to use proteins manufactured by microbial population. The CO2 and CH4 produced by methanogenic bacteria inside the rumen, are released outside and do not bear any nutritional benefit.