The rumen, also known as a paunch, is the largest stomach compartment in ruminants and the larger part of the reticulorumen, which is the first chamber...

acetic acid, propionic acid and butyric acid in these chambers (the reticulo-rumen) by microbes: (bacteria, protozoa, and fungi). In the omasum, water...

the right side of the cranial portion of the rumen. It receives food from the reticulum through the reticulo-omasal orifice and provides food to the abomasum...

first contraction there is sending large particles back into the rumen while the reticulo-omasal orifice allows the passage of finer particles. In the second...