ANSC 108 Exam 3
GI tract of Pig - ANS-large intestine - 35%
stomach - 29%
small intestine - 29%
cecum - 7%
GI tract of Horse - ANS-large intestine - 47%
small intestine - 27%
cecum - 18%
stomach - 8%
GI tract of Ruminant - ANS-stomach - 68%
small intestine - 20%
large intestine - 9%
cecum - 3%
Small Intestine - ANS-Duodenum, Jejunum, and Ileum
Duodenum - ANS-receives secretions from pancreas and liver to emulsify fats
Jejunum - ANS-Active site of nutrient absorption (amino acids, sugars, fatty acids, and
glycerol)
Ileum - ANS-Active site of nutrient absorption
Has villi (small finger-like projections that increase surface area and slow passage)
Esophagus - ANS-Ingested material moves via a series of muscular contractions known
as peristaltic waves
What does the Pancreas act on? - ANS-The duodenum
Monogastric Path - ANS-Mouth to esophagus to stomach to small intestine to large
intestine to defacation
What is unique about horses? - ANS-They do not have a gall bladder and cannot vomit
Where does bacterial fermentation occur? - ANS-Bacterial fermentation occurs in the
cecum (large intestine of a horse)
, Gizzard (ventriculus) - ANS-Grinds feed into finer particles by strong muscular
contractions
Rumen - ANS-Anaerobic, lined with papillae, walls secrete no enzymes, storage,
soaking, physical mixing and breakdown, fermentation chamber
Abomasum - ANS-True stomach
Omasum - ANS-Many plies
Mature Ruminant Stomach %s - ANS-Rumen - 80%
Abomasum - 8%
Omasum - 7%
Reticulum - 5%
What is the gastric groove (esophageal groove)? - ANS-Young ruminants - a
passageway extending from the cardia to the omasum, formed by 2 heavy muscular
folds to allow milk consumed by the suckling animal to bypass the reticulo-rumen and
thus escape bacterial fermentation
Rumintation - ANS-Regurgitation (controlled form of vomiting)
Re-mastication (process of rechewing)
Re-salivation (secretion of more saliva)
Deglutition (re-swallowing)
Eructation (process of expelling gases from the rumen)
Look at page 247 for - ANS-RATION BALANCING EQUATION SET UP
What are the different salivary glands? - ANS-Parotid, Mandibular, Sublingual
(T/F) There is a nutritional difference between brown and white eggs - ANS-False,
There is no nutritional difference
(T/F) Turkeys are genetically selected for breast meat production and white plumage
color - ANS-True
(T/F) Turkeys are naturally inseminated - ANS-False - they are all artificially inseminated
(T/F) Male and female turkeys are raised separately - ANS-True
GI tract of Pig - ANS-large intestine - 35%
stomach - 29%
small intestine - 29%
cecum - 7%
GI tract of Horse - ANS-large intestine - 47%
small intestine - 27%
cecum - 18%
stomach - 8%
GI tract of Ruminant - ANS-stomach - 68%
small intestine - 20%
large intestine - 9%
cecum - 3%
Small Intestine - ANS-Duodenum, Jejunum, and Ileum
Duodenum - ANS-receives secretions from pancreas and liver to emulsify fats
Jejunum - ANS-Active site of nutrient absorption (amino acids, sugars, fatty acids, and
glycerol)
Ileum - ANS-Active site of nutrient absorption
Has villi (small finger-like projections that increase surface area and slow passage)
Esophagus - ANS-Ingested material moves via a series of muscular contractions known
as peristaltic waves
What does the Pancreas act on? - ANS-The duodenum
Monogastric Path - ANS-Mouth to esophagus to stomach to small intestine to large
intestine to defacation
What is unique about horses? - ANS-They do not have a gall bladder and cannot vomit
Where does bacterial fermentation occur? - ANS-Bacterial fermentation occurs in the
cecum (large intestine of a horse)
, Gizzard (ventriculus) - ANS-Grinds feed into finer particles by strong muscular
contractions
Rumen - ANS-Anaerobic, lined with papillae, walls secrete no enzymes, storage,
soaking, physical mixing and breakdown, fermentation chamber
Abomasum - ANS-True stomach
Omasum - ANS-Many plies
Mature Ruminant Stomach %s - ANS-Rumen - 80%
Abomasum - 8%
Omasum - 7%
Reticulum - 5%
What is the gastric groove (esophageal groove)? - ANS-Young ruminants - a
passageway extending from the cardia to the omasum, formed by 2 heavy muscular
folds to allow milk consumed by the suckling animal to bypass the reticulo-rumen and
thus escape bacterial fermentation
Rumintation - ANS-Regurgitation (controlled form of vomiting)
Re-mastication (process of rechewing)
Re-salivation (secretion of more saliva)
Deglutition (re-swallowing)
Eructation (process of expelling gases from the rumen)
Look at page 247 for - ANS-RATION BALANCING EQUATION SET UP
What are the different salivary glands? - ANS-Parotid, Mandibular, Sublingual
(T/F) There is a nutritional difference between brown and white eggs - ANS-False,
There is no nutritional difference
(T/F) Turkeys are genetically selected for breast meat production and white plumage
color - ANS-True
(T/F) Turkeys are naturally inseminated - ANS-False - they are all artificially inseminated
(T/F) Male and female turkeys are raised separately - ANS-True
