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HANDOUT
Topic # 3045
AVIAN DIGESTION
Created by: Tracey Hoffman
Source: http://www.ca.uky.edu/agripedia/classes/asc106/giavian.htm
Digestive Tract of the Monogastric (Avian )
1. Mouth/Beak
- gather and break down feed
2. Esophagus
- tube from mouth to stomach that is open at the mouth end
3. Crop
-
feed storage and moistening
4. Proventriculus
- glandular stomach (HCI and gastric juices)
- enzymatic
5. Gizzard
- muscular stomach; mechanical breakdown
6. Small Intestine
- enzymatic digestion and absorption
- Functions of the small intestine:
A. Digestion of proteins, carbohydrates, and fats
B. absorption of the end products of digestion
7. Ceca - essentially non functioning in monogastrics
8. Large Intestine
- bacterial activity
- water absorption
- waste storage
9. Cloaca
- common chamber for GI and urinary tracts
10. Vent
- common exit for GI and urinary tracts