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Ruminant and Pseudo- ruminant. By Rachel Footit and Rebecca Groves. What is a Ruminant animal?. It is an animal that has 4 compartments in their stomach. It contains a rumen, reticulum, omasum, Abomasum. These are found in cattle, sheep, goats, and chickens.

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Ruminant and pseudo ruminant

Ruminant and Pseudo- ruminant

By Rachel Footit and Rebecca Groves

What is a ruminant animal
What is a Ruminant animal?

  • It is an animal that has 4 compartments in their stomach.

  • It contains a rumen, reticulum, omasum, Abomasum.

  • These are found in cattle, sheep, goats, and chickens.

  • These help brake down lots of food when the animals eat.

The rumen
The Rumen

  • It’s about 60% of the stomachs.

  • It is also has bacteria and other microbes that promote fermentation.

  • Food will leave the rumen and get regurgitated for about 15 minutes and swallowed to the reticulum, then it will be a repeating process for about 2-3 hours.

The reticulum
The Reticulum

  • The 2nd stomach in the system.

  • It looks like a honeycomb.

  • It helps keep the food in the Rumen mixed with water and saliva.

  • When that is done the mixture can move on to the other parts of the system.

The omasum
The Omasum

  • It looks like pages to a book.

  • It absorbs many of the nutrients broken down in the reticulum and rumen.

  • It removes excess water from food.

  • It reduces the size of food particles before passing them to the Abomasum for digestion by enzymes


  • It’s last compartment of the stomach system.

  • It breakdowns the majority of the chemicals in the food.

  • It also mixes in digestive enzymes

  • The only one having glands that discharge acids and enzymes for digestion.

What is a pseudo ruminant animal
What is a Pseudo- Ruminant animal?

  • They contain 3 compartments in their stomachs.

  • These animals do not regurgitate or ‘chew the cud’

  • These animal are still similar to ruminant animals but don’t get the most nutrients out of leafy materials.

  • Pigs, rabbits , llama, horses, and alpaca are the most known animals to be pseudo-ruminant.

How are the two different
How are the two different?

  • Pseudo- Ruminant animals just have a large cecum and doesn’t regurgitate their food.

  • Ruminant animals have a rumen and do regurgitate all their food they intake.

Parts of a pseudo ruminant
Parts of a Pseudo-Ruminant

  • There is several parts of the stomach.

  • There is a large Cecum, and a large intestine.

What is a cecum
What is a Cecum?

  • Helps digest plants in the body.

  • It absorbs water and salts from undigested food.

  • Has a muscular wall that kneads the contents to speed up the absorption.

  • This show that the feeds nutrients is not absorbed as much as an animal with a rumen.

The large intestine
The Large Intestine

  • It is made up of mostly colons: ascending colon, transverse colon, sigmoid colon.

  • It actively transport sodium, and absorbs water by osmosis.

  • It holds an environment where bacteria can grow and reproduce.

  • It will eliminate all waste, undigested, and unabsorbed material to leave the body.

Work cited
Work Cited