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Horse Digestive System

Horse Digestive System. Melissa Moser Topic # 3186B Caledonia High School Equine Science. Digestive System. Where large complex molecules broken down into simpler molecules Long tube beginning with mouth and ending with the anus. Digestive Systems.

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Horse Digestive System

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  1. Horse Digestive System Melissa Moser Topic # 3186B Caledonia High School Equine Science

  2. Digestive System • Where large complex molecules broken down into simpler molecules • Long tube beginning with mouth and ending with the anus

  3. Digestive Systems • Man & Pig have a simple stomach with an extensive intestinal system • Ruminants have a complex stomach with a simpler intestinal system • Horses & Rabbits have a simple stomach with an extensive intestinal system and an enlarged cecum

  4. Digestive System of Horses

  5. Digestive System • Mouth: “Prehension” tool (grasps food) • Salivary Glands secrete juices containing enzymes (digest food) • Chewing food breaks down also • Esophagus: muscular tube that connects mouth to stomach • Peristaltic Movement: sequential contraction of ringlike muscles • Reverse Peristalsis = blowing chunks

  6. Digestive System • Small Intestine: long coiled tube connecting stomach to large intestine • rest of the digestion and absorbtion takes place here • surface covered with villi (surface area) • Large Intestine: Cecum, colon, rectum • absorbs water (makes feces more solid) • some vitamins & minerals absorbed here • Cecal Fermenters (Horse): similar to rumen

  7. Digestive System • Accessory organs: • Pancreas secretes enzymes to break down fat • Liver (largest internal organ) secretes bile, which digests fats • also stores iron

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