rumen

Inside the rumen, the largest chamber of the stomach, bacteria and other microorganisms digest tough plant fibers (cellulose). To aid in this process, cows regurgitate and re-chew food multiple times before it passes on to the rest of the digestive system via the other stomach chambers. This…

…the first chamber, called the rumen, where it softens. They later regurgitate this material, called cud, and chew it again to further break down its cellulose content, which is difficult to digest. The chewed cud goes directly to the other chambers of the stomach (the reticulum, omasum, and abomasum), where…

…digestion of food in the rumen (first stomach) use simple nitrogen compounds to build proteins in their cells. Further on in the digestive tract, the animals digest the bacteria. By this indirect means, ruminants produce high-quality protein from a food that might originally have contained poor protein or from urea…

These include the large rumen (or paunch), the reticulum, the omasum (psalterium or manyplies)—which are all believed to be derived from the esophagus—and the abomasum (or reed), which corresponds to the stomach of other mammals. The omasum is almost absent in chevrotains. Camels have a three-chambered stomach, lacking the…

In addition, cows possess rumen bacteria that live in the digestive tract and help digest the plants the cow consumes. Associations between tree roots and certain fungi are often mutualistic (see mycorrhiza).

…measures, and the role of rumen bacteria in ruminant animals (e.g., cows, sheep) in rendering otherwise indigestible cellulose and other materials available to the host animal is well-known. These few examples indicate that syntrophic interrelationships are widespread in nature and may contribute substantially to the nutrition of a wide variety…

…of the stomach, called the rumen, that provides a space for the bacterial fermentation of ingested leaves. In ruminant species such as cattle and sheep, fermented material, called cud, is regurgitated from the rumen so that the animal can chew it into even smaller pieces and spread the ruminal fluid…

…stomach of the cow, the rumen, is a fermentation chamber in which bacteria digest the cellulose in grasses and feeds, converting them to fatty acids and amino acids, which are the fundamental nutrients used by the cow and the basis for the cow’s production of milk. Organic wastes in sewage…