Ch 4 & 5

Question 0

Define coprophagy

Answer 0

Eating of feces

Question 1

Define digestion

Answer 1

Preparation of food for absorption

Question 2

Define ruminant

Answer 2

Cow goat sheep

Has a rumen

Question 3

Define mucosa

Answer 3

Inside surface of a tubular structure

Question 4

Define serosa

Answer 4

Outside surface of a tubular structure

Question 5

Define cecum

Answer 5

First region of the large intestine

Question 6

Define enzyme

Answer 6

Catalyst for chemical reactions

Question 7

Define rugae

Answer 7

Internal stomach ridges caused by folds

Question 8

Define plica

Answer 8

Stomach folds or ridges aids in expansion

Question 9

Define globulin

Answer 9

Forms blood serum protein

Defense mechanism

Question 10

Define lactic acid

Answer 10

Produced in muscle tissue during exercise

Question 11

Define pectin

Answer 11

Polysaccharide extracted for settling agents in jams and jellies

Question 12

Define apparent digestibilty

Answer 12

Apparent digestibility % = nutrientes intake - nutrient in feces / nutrient intake x100

Question 13

Define indogenous

Answer 13

Internal origin

Question 14

Define exogenous

Answer 14

External origin

Question 15

Define hydrolysis

Answer 15

Chemical breakdown due to water

Question 16

Define denature

Answer 16

Change shape of and eliminate function

Question 17

Define lumen

Answer 17

Space inside tubular structure

Question 18

Lost the typical teeth in a carnivore

Answer 18

2 - incisors
1 - canine
2 - premolars
3 - molars

Question 19

Name three salivary glands

Answer 19

Parotid, submandibular, sublingual glands

Question 20

Define brush border enzymes

Answer 20

Microvilli

Question 21

Name two hind gut fermenters

Answer 21

Horse, rabbit

Question 22

Name two groups of pregastric fermenters

Answer 22

Cows, goats

Question 23

List the structures in a monos steric species

Answer 23

Regions are cardia, fundic, body, pyloric

Question 24

Describe anatomy of ilium cecum and large intestine

Answer 24

Ilium in small intestine | Cecum first region of large intestine

Question 25

Name two mucosal membrane adaptations and their benefit.

Answer 25

Plica, rugue for expansion | Microvilli for secretion and absorption

Question 26

Name two words for the true stomach and what species they are in

Answer 26

A

Question 27

Name the major substrates for rumen bacteria

Answer 27

Cellulose and hemicellulose

Question 28

Name two categories of starch

Answer 28

RAC simple, complex

Question 29

Describe what happens when unadapted animals are fed large amounts of cereal grains.

Answer 29

Bloated. Doesn't have the right bacteria to digest correctly. Solve by lead feeding. Alfalfa does this forms froth.

Question 30

Name the end products of fermentation. Where does this occur

Answer 30

VFA, CO2, CH4

Question 31

What is the substrate for oligosaccharidase. Where is it produced

Answer 31

Oligosaccharides. Small intestine brush border Microvilli break down to glucose

Question 32

Name the three sections of the small intestine.

Answer 32

Duodenum, jejunum, ilium

Question 33

What is the function of the gizzard?

Answer 33

Grinding of food

Question 34

Describe some advantages of a growth trial

Answer 34

Test the digestibility of feed on a species

Question 35

What are some errors in growth trials?

Answer 35

Variations in feed | Genetic differences

Question 36

How are external indicators used in growth trials?

Answer 36

Nitrogen markers

Question 37

Define canula? Benefit?

Answer 37

A surgically inserted tube. To test digestion in different areas.

Question 38

What can cause variations in digestibility in the same species?

Answer 38

Genetics

Question 39

Three groups of rumen bacteria?

Answer 39

Major celluolytic species Major hemicellulose species Major pectinlytic species

Question 40

Define legume

Answer 40

Plants that produce nitrogen. | Alfalfa, clover

Question 41

Define endogenous

Answer 41

Sloughed cells

Question 42

Define exogenous

Answer 42

Supplied in feed

Question 43

Define fistula

Answer 43

A tract or tune that connects two organs

Question 44

Simple carbs and digestibility

Answer 44

More simple carbs more digestibility

Question 45

Most common lipid in animal feed

Answer 45

Galactose