Livestock Digestive Systems Ruminant Digestive System Objectives: –Know the four parts of the...
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![Page 1: Livestock Digestive Systems Ruminant Digestive System Objectives: –Know the four parts of the ruminant stomach. –Know examples of animals that have a.](https://reader036.fdocuments.net/reader036/viewer/2022062423/56649eaa5503460f94baec7a/html5/thumbnails/1.jpg)
Livestock Digestive Systems
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Ruminant Digestive System
• Objectives:– Know the four parts of the ruminant stomach.– Know examples of animals that have a rumen.– Be able to describe the function of all four of
the parts of the ruminant stomach.
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What are some animals that have Rumens?
• ?
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Cattle
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Sheep
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Goats
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Deer
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Elk
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What do all of these animals have in common?
• They all live off of grass, and other roughages.
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Why can’t we live off of the same things cows eat?
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How can a Ruminant digest these things?
• Through the process of rumination – Eating rapidly, regurgitating and masticating
their feed. (Chewing their cud)
• With specialized structures in their stomach– Ruminants have microorganisms living in them
that break down cellulose for them and make those nutrients absorbable.
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What are these four structures?
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Rumen
• Large fermentation vat
• Microorganisms break down cellulose– Creates lost of gases (methane)– Ruminants have to be able to eructate (belch)
• Some nutrients are absorbed
• Roughages are reduced in size
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Rumen Feed Storage
Gas
Today’s Hay
Yesterday’s Feed
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Rumen (Punch)
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Reticulum
• Collects objects that shouldn’t be in the digestive system.– Nails– Screws– Baling wire
• Magnets are placed into many dairy animals reticulums.
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Reticulum (Hardware Stomach or Tripe)
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Omasum
• Works to remove water from the food
• Absorbs fatty acids
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Omasum (manyplies)
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Abomasum
• Glandular Stomach (like yours)
• Secretes digestive juices.
• Breaks down food stuff further for absorption.
• Absorbs some nutrients.
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Abomasum (True Stomach)
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Order that food moves.
• Rumen
• Reticulum
• Omasum
• Abomasum
Hint to remember Alphabetically back-words.
Ru Re O A
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Review
Give me an example of an animal that has a rumen?
Name the four compartments of the ruminant stomach?
What does a rumen help and animal break down that we can’t?
What are the common names of the four parts of the ruminant stomach?
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Nice Work!
Now on to the assignment!