Ruminant Digestive System Student Note Outline 1 ts

ts Ruminant are animals that have four complex stomach structures. This allows them to

The Ruminant Stomach Four Compartments: 1 st-Rumen nd 2 -Reticulum rd 3 -Omasum 4

The Digestive Tract The solid part of a ruminants food goes to the _______

1 st Compartment: Rumen In the rumen, food is broken down by _______ Feed

Rumen & Reticulum There is no division between the rumen & reticulum Together the

Reticulum has a lining with small compartments similar to a honeycomb. Hence its nickname

Omasum has many folds, often referred to as _______. Makes up 8% of the

Abomasum Abomasum: The ______stomach Corresponds with the stomach of ____________animals. Feed is mixed with

Small & Large Intestines From the abomasum, the feed enters the __________where nutrients are

Review 1/3/2022 Animals that have ruminant digestive systems eat forage rapidly and later regurgitate

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Ruminant Digestive System Student Note Outline 1

ts Ruminant are animals that have four complex stomach structures. This allows them to ______, which monogastrics ______digest A few animals with ruminant digestive systems are _____, _______, and _________ are usually ruminant animals. Ruminants eat quickly at first, and break it down later 1/3/2022 2

The Ruminant Stomach Four Compartments: 1 st-Rumen nd 2 -Reticulum rd 3 -Omasum 4 th-Abomasum 1/3/2022 3

The Digestive Tract The solid part of a ruminants food goes to the _______ after being swallowed The liquid part of the food goes straight to the _______ 1/3/2022 4

1 st Compartment: Rumen In the rumen, food is broken down by _______ Feed is forced back into the mouth where they chew their cud 6 -8 times a day This is called ________ 1/3/2022 5

Rumen & Reticulum There is no division between the rumen & reticulum Together the rumen & reticulum make up _____% of the stomach

Reticulum has a lining with small compartments similar to a honeycomb. Hence its nickname the “_______. ” Interacts with the rumen in initiating mixing activity and provides additional storage for fermentation. Also prevents foreign materials from entering the other compartments

Omasum has many folds, often referred to as _______. Makes up 8% of the stomach Aids in the grinding action of the food Squeezes out ______ 1/3/2022 8

Abomasum Abomasum: The ______stomach 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 1/3/2022 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

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13 1/3/2022