ANSI 3543 Lecture Notes - Lecture 13: Pylorus, Alpha-Amylase, Omnivore

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6 Mar 2017
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Digestion in Swine (Omnivore)
Digestion in swine
Simple stomached
Omnivorous eats both animal and plant
Digestion in swine
Mouth
o Used primarily for grinding feed (mechanical digestion)
o Saliva
pH of 7.4 moistens feed and helps in chewing and swallowing
Produced by 3 pairs of glands: parotid, mandibular, submaxillary
Ptyalin (salivary amylase)
Pig is only farm mammal with any amount of the enzyme
Starts breakdown of starch. Of little value because feed does not stay in the
mouth very long and pH of stomach is too acidic for action in stomach
Mouth
Stomach
Liver
Gallbladder
Pancreas
Esophagus
Pyloric
sphincter
Cecum
Colon
Small
intestine
Duodenum
Jejunum
Ileum
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