Exam 1 Feedstuffs/Equine/Swine

Question 1

**Which of the following is the primary component in livestock feeds?
A) CHOs
B) Lipids
C) Protein
D) Minerals

Answer 1

A

Question 2

Which of the following is a disaccharide?
A) Glucose
B) Fructose
C) Sucrose
D) Cellulose

Answer 2

C

Question 3

**Aside from water, what is the most abundant molecule in the body?
A) CHOs
B) Lipids
C) Protein
D) Cholesterols

Answer 3

C

Question 4

What determines the protein’s properties and functions?

Answer 4

AA sequence

Question 5

**Essential AA in cats
A) Glycine
B) Methionine
C) Taurine
D) Tryptophan

Answer 5

C

Question 6

T/F: Caution should be taken when feeding cereal grains as they are likely deficient in lysine, methionine, and tryptophan.

Answer 6

TRUE

Question 7

**What is usually the most concentrated form of energy?
A) CHOs
B) Lipids
C) Protein
D) Cholesterols

Answer 7

B

Question 8

Monogastrics require certain fatty acids to be provided in the diet as they cannot make them. What is the term for this fatty acid?

Answer 8

Essential fatty acid- make up 1% of monogastric’s diet

Question 9

Scaly skin, necrosis of the tail, and poor feathering are seen in birds with deficiency of what nutrient?

Answer 9

Fatty acids

Question 10

T/F: Most minerals in an animal’s body are part of the skeleton.

Answer 10

true

Question 11

Match the common deficiency to the animal:
Cobalt, Iron, zinc, selenium
Sheep: 
Goats/chickens: 
Pigs:
Piglets:

Answer 11

Sheep: Cobalt
Goats/chickens: Zinc
Pigs: Selenium
Piglets: Iron

Question 12

Which of the following is an inorganic nutrient?
A) Lipid
B) CHO
C) Protein
D) Minerals
E) Vitamins

Answer 12

D

Question 13

Where are most vitamins stored in the body?

Answer 13

Liver

Question 14

T/F: Protein is required in the highest amount in the diet?

Answer 14

False- Energy

Question 15

**What is the most important source of energy in regards to feeding the animal?
A) Lipids
B) Proteins
C) CHOs
D) Vitamins

Answer 15

C

Question 16

Gross energy of feed- Gross energy of feces=
A) Net energy
B) Metabolizable energy
C) Free energy
D) Digestible energy

Answer 16

D

Question 17

Complete the formula:

Metabolizable energy= _____ - ______

Answer 17

Digestible E- (GE urine + GE gases)

Question 18

A calorimetric bomb measures:
A) Gross protein
B) Mineral content
C) Gross energy
D) Heat energy

Answer 18

C

Question 19

Water makes up \_\_\_% of fat free body weight.
A) 50%
B) 65%
C) 75%
D) 80%

Answer 19

C

Question 20

Good quality water should have less than 0.\_\_\_% dissolved solvents.
A) 10
B) 15
C) 20
D) 25

Answer 20

D

Question 21

T/F: Proximate analysis is the most common analysis for feed samples.

Answer 21

true

Question 22

Which of the following is not included in the proximate analysis?
A)Dry matter
B) CP
C) NDF/ADF
D) CF
E) Ash

Answer 22

C these are newer methods for measuring fiber

Question 23

**T/F: The kjeldahl method measures crude protein by directly measuring protein content irrespective of the source.

Answer 23

False- it measures the nitrogen…so if something has high nitrogen but no protein it could skew the results- Feed grade urea

Question 24

Nitrogen content X 6.25= ____

Answer 24

crude protein

Question 25

T/F:The average CP in feed stuffs is 16%

Answer 25

true

Question 26

What is the method used to measure crude fat?
A) Kjeldahl 
B) Gas chromatography mass spectometry
C) Ether extract
D) Bomb calorimeter

Answer 26

C= only gives quantitative info

B=to determine specific FA composition