More on Energy in Food

Question 1

What are the 3 Methods of determining ME (metabolizable energy) in a diet?

Answer 1

1. Direct determination
2. Calculations
3. Extrapolation of data from other species

Question 2

What is a Direct Determination of ME in a diet?

Answer 2

Feeding Trials

Question 3

What are Atwater Calculations of ME based on?

Answer 3

Levels of Carbohydrate, Protein and Fat
in food

Question 4

What is the most common animal study used in Extrapolation of Data from other species?

Answer 4

Pig studies since they have a digestive system that is most similar to other species.

Question 5

What kind of pet food most often uses Extrapolation of Data from other species when determining the ME in the diet?

Answer 5

Cat Food

Question 6

Is Extrapolation of Data from other species an accurate method of determining ME in a diet?

Answer 6

No

Question 7

AAFCO

Answer 7

Association of American Feed Control Officials

Question 8

Does the Calculation Method of determining ME in a diet account for fecal and urinary losses of energy?

Answer 8

Yes

Question 9

Does the Calculation Method of determining ME in a diet account for digestibility or quality of ingredients?

Answer 9

No

Question 10

Can the standard values used in the Calculation Method of determining ME in diet differ from the actual values?

Answer 10

Yes
(This means the calculations are estimations and are not exact)