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HANDOUT
Topic # 3045
HIND GUT FERMENTOR
Created by: Tracey Hoffman
Source: http://www.ca.uky.edu/agripedia/classes/asc106/gihind.htm
http://www.merricks.com/digestion.html
1. Mouth
- gather and chew feed using tongue and teeth
salivary glands moisten feed to aid in swallowing
saliva begins the carbohydrate breakdown with salivary amylase
2. Esophagus
tube from mouth to stomach that is open at the mouth end
3. Stomach
muscular gland lined sac that receives ingesta from the esophagus and conducts both physical and chemical digestion

primary secretions: pepsin - enzyme that digests protein; hydrochlorides acids that aid in protein digestion
4. 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
1.
duodenum - most digestion occurs here
2.
jejunum - some digestion and some absorption occur
3.
ileum - mostly absorption
5. Cecum
contains a very large microbial population
bacteria, protozoa, and fungi digest cellulose, generating volatile fatty acids, microbial protein, and vitamins
6. Large Intestine
bacterial activity
water absorption
waste storage