The Rumen as a Fermentation Chamber Contribution of the animal to the symbiotic relationship 100-150 L. in cow, 6 L. in sheep
Open and continuous system(open for inoculation from feed water Continuous passage) Constant supply of nutrients reticulum Feed intake and feed retained in rumen and Mixing of contents(Motility of rumen and reticulum) Low oxygen concentration Temperature control(38 40 Co), pH control(5.5 7.0) Saliva NaHCO, VFA, less from HPO4 at rumen pH Removal of end products(though acid concentrations are high) Eructation of gases and absorption of end products