Ruminant Digestive System Student Note Outline

Ruminants Ruminant are animals that . This allows them to , which monogastrics A few animals with ruminant digestive systems are __________, _____________, and ____________. are usually ruminant animals. Ruminants eat , and 11/28/2018

Four Compartments: 1st-Rumen 2nd-Reticulum 3rd-Omasum 4th-Abomasum The Ruminant Stomach Four Compartments: 1st-Rumen 2nd-Reticulum 3rd-Omasum 4th-Abomasum 11/28/2018

The Digestive Tract The solid part The liquid part 11/28/2018

This is called ________________ 1st Compartment: Rumen In the rumen, Feed is forced back into the mouth where they chew their cud 6-8 times a day This is called ________________ 11/28/2018

Together the & make up % of the stomach Rumen & Reticulum There is no division Together the & make up % of the stomach

Reticulum Reticulum has Interacts with . . Hence its nickname the “______________.” Interacts with . Also prevents foreign materials from entering the other compartments

Makes up 8% of the stomach Omasum Omasum has many folds, often referred to as ______________. Aids in Squeezes Makes up 8% of the stomach 11/28/2018

Makes up 7% of the stomach Abomasum Abomasum: Corresponds with the stomach of animals. Feed is mixed with gastric juice Makes up 7% of the stomach

Small & Large Intestines From the abomasum, the feed enters the where nutrients are absorbed in the blood system. From the small intestine, the food passes into the where the water is removed and the feed is prepared for excretion.

Review Animals that have ruminant digestive systems eat forage rapidly and later regurgitate the feed, known as the _________. The regurgitated food is chewed thoroughly, swallowed and then more feed is regurgitated. This process is continued until all the feed is ________________________. 11/28/2018

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