8. Poultry Digestive System

10. Esophagus Esophagus Crop
Transports food by involuntary muscular contractions.
Crop
Enlargement of the esophagus
Place of food storage
Food is stored and moistened

12. Proventriculus More commonly known as the “Stomach”
Secretes Hydrochloric Acid to break down proteins

14. Gizzard Largest organ of the bird’s digestion system Very muscular
Involuntary muscular action grinds the food to break it up into pieces that are easier to digest

16. Small Intestine Duodenal Loop Small Intestine
First part of the small intestine
Digestive enzymes from the pancreas help break down proteins, starches, and fats
Bile from the gall bladder are released to breakdown fats
Small Intestine
Primary site of nutrient absorption

19. Large Intestine
Ceca
2 pouches where the small intestine connects to the large intestine
Manufacture B-vitamins

20. Large Intestine cont. Large Intestine Cloaca
Removes excess water from undigested food.
Adds lubricating mucus to help pass material.
Cloaca
Opening for digestive, urinary, and reproductive tracks

22. Review CLOACA SMALL INTESTINE GIZZARD LARGE INTESTINE PROVENTRICULUS
ESOPHAGUS
CROP
CAECA
DUODENAL LOOP