Energy

Question 1

Units of energy

Answer 1

1 kcal = 1 Cal = 1000 cal
1 Mcal = 1000 kcal
1 Mcal = 4.2 MJ

Question 2

Best method for estimating energy needs of an indivudla animal

Answer 2

A good diet history

Question 3

Methods on how much to eat

Answer 3

Method 1 - a good diet history
Method 2 - calculation from body weight
Method 3 - look at packet

Question 4

DER

Answer 4

Daily energy requirement

Question 5

MER

Answer 5

Maintenance energy requirement

Question 6

RFMR

Answer 6

Resting fed metabolic rate

Question 7

Factors that affect energy requirements

Answer 7

Growth
Pregnancy
Lactation
Work

Question 8

Basal metabolic rate (BMR)

Answer 8

Energy required to maintain homeostasis

• post absorptive state (after 12 hour fast)
• lying down > 30 minutes after exercise
• awake
• thermometer all environment
• acclimatized

Question 9

Resting fed metabolic rate (RFMR)

Answer 9

A BMR but not post absorptive

Question 10

Maintenance energy requirement (MER)

Answer 10

Energy at equilibrium

Question 11

Dietary thermogenesis

Answer 11

Energy used to assimilation of food
=RFMR - BMR
~ 10% of total for protein > fat similar for enteral or parenthetical nutrition

Question 12

Standing =

Answer 12

1.5 X BMR

Question 13

MER decreases in age for

Answer 13

Dogs not cats

Question 14

Which barred has a increased MER

Answer 14

Great Danes

Question 15

Which breeds have a decreased MER

Answer 15

Newfoundlands
Huskies
Corgis

Question 16

Lean body mass

Answer 16

Energy use related to LBM not total BW