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The Ruminant Digestive System
Transcript of The Ruminant Digestive System
Muscle contractions move in both directions THE STOMACHS Tongue Used more by cattle and goats (also use lips)
Teeth No upper incisors more by sheep (use lips to “sort” feed)
Saliva Continual production.
Cattle: 12 gal/d vs Sheep: 2 gal/d
No enzymes; High pH THE RUMINANT SYSTEM Liver is the filter in the the animals body.
It filters bad waste out of the body. Same SI sections Duodenum, Jejunum and I liumSame
LI sections Cecum, Colon and Rectum Removes all waste from the animals body.
Controlled by sphincter muscles, that also help protect the opening. BY CHLOE FERGUSON What animals have a ruminant system? What are the functions of the digestive system?
*Primarily herbivores. Cattle, sheep, goats, deer, and elk
Storage Soaking Physical mixing and breakdown Fermentation This fermentation vat is composed of two areas called the reticulum and the rumen.
RETICULUM- It aids to help bring boluses of feed back up to the mouth for re chewing. It also serves as a receptacle for heavy foreign objects that she eats.
RUMEN- by far, the largest compartment. Its purpose is to store large quantities of feed, keep the feed mixing by strong contractions, and to provide a suitable environment for the bacteria and protozoa to live.
OMASUM- Once the feed has been reduced in size by chewing and digestion by the bacteria and protozoa, it can pass into a third compartment called the omasum. Water and electrolytes such as potassium and sodium are likely absorbed here as well thus drying out the feedstuffs before they enter the next compartment.
ABOMASUM- This fourth and last compartment which make up the cow's stomach is the abomasum or "true" stomach as it is called because it functions in a very similar way to the stomach of a man or pig. These leaves enable the abomasum to be in contact with the large amounts of feed passing through it daily Accessory glands include the salivary
glands, the liver, and the pancreas.