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Digestive Systems

Digestive Systems. What is it?. Objectives. Identify the three types of digestive systems. Describe the parts of each digestive system. Know the differences in the three types of digestive systems. What is a digestive system?. Provides food for the body and for all of its systems

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Digestive Systems

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  1. Digestive Systems

  2. What is it?

  3. Objectives • Identify the three types of digestive systems. • Describe the parts of each digestive system. • Know the differences in the three types of digestive systems.

  4. What is a digestive system? • Provides food for the body and for all of its systems • Stores food temporarily, prepares for use by the body, and removes waste products from the body • Types: • Polygastric/Ruminant • Monogastric • Poultry

  5. Polygastric/Ruminants • Have more than one compartment in their stomach • Rumen- holds large amounts of roughages • Roughage- grass, hay, silage, or other high-fiber feed • Examples: • Cows • Sheep • Goats • Deer

  6. Parts

  7. Parts of Stomach

  8. Monogastric • Stomach with only one compartment • Most digestion takes place in the small intestine • Rations must be higher in concentrates • Concentrates- grains low in fiber and high in total digestible nutrients • Examples: • Swine • Horses

  9. Parts

  10. Poultry • Chickens have no teeth; have to swallow their food whole • Rations must be high in food value because poultry have no true stomachs

  11. Parts

  12. http://www.youtube.com/watch?v=JSlZjgpF_7g

  13. Ruminant

  14. Monogastric

  15. Poultry

  16. Review • What are the three types of digestive systems? • What does ruminant mean? • What does monogastric mean? • Why are poultry classified as a different digestive system?

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