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Grazers

Explore the unique digestive systems of horses, ruminants, and caecal grazers. Learn how seasonal trends impact forage selection and animal density mix. Discover the advantages and characteristics of each system and animal type.

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Grazers

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  1. Grazers

  2. Digestion • Caecal System: • The horse has this type of digestive system • Rumen System: • "Ruminants" include the wild ungulates, cattle, goats, and sheep.

  3. Comparison • The ruminant advantages • Longer food retention time • Fermentation – protein source • The caecal advantages • Shorter food retention time – greater amount of material at lower quality • Two sets of teeth

  4. Three Types of Ruminants • Selective feeders/Browsers • Roughage feeders/Grazers • Intermediate feeders/Mixed forages

  5. What are forbs? • Non-wooded, broad leaved plant other than grass • Weed "Most weeds are forbs, but all forbs are not necessarily weeds.“

  6. What are Shrubs? • Woody plant less than 15 feet high, either: • without a distinct main stem, or • with branches persisting on the main stem almost to its base.

  7. Forage Selection

  8. Seasonal Trends • Food choice dependent upon: • Availability • Time of Year • Palatability • Spring, Summer, Early Fall • Wild ungulates – soluble carbohydrates • Winter • Trees and shrubs

  9. Seasonal Changes

  10. Density and Mix of Animals • Density – how well animals co-exist • Type of animal mixture • Deer with sheet, goats, and cattle • Antelope and cattle

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