ASCI220 - Math Review

Math review for content on Exam 2

How much does an “as-fed” 50 lb bag of Purina dog food (91% dry matter) weigh on a dry matter basis?

45.5 lb

A bowl of Purina dog feed weights 11 lb on a dry matter basis. How much will it weigh on an as-fed basis if the dog feed is 91% dry matter?

12.09 lb

The Purina dog food has 21% Crude Protein on an as-fed basis (88% dry matter). What is the crude protein concentration on a dry matter basis?

23.9% CP

The Purina dog food has 25% Crude Protein on a dry matter basis (88% dry matter). What is the crude protein concentration on an as-fed basis?

22.0 %

Determine the CP concentration of this diet in the following diet: 15% fish meal (71.2% CP DM basis), 30% corn distillers grain (23% CP DM basis), and 55% oat grain (CP DM basis) on a DM basis. What will A represent?

Feed Ingredients 

Determine the CP concentration of this diet in the following diet: 15% fish meal (71.2% CP DM basis), 30% corn distillers grain (23% CP DM basis), and 55% oat grain (CP DM basis) on a DM basis. What will B represent?

% of feed in diet (DM-basis)

Determine the CP concentration of this diet in the following diet: 15% fish meal (71.2% CP DM basis), 30% corn distillers grain (23% CP DM basis), and 55% oat grain (CP DM basis) on a DM basis. What will C represent?

% CP on a DM-Basis

Determine the CP concentration of this diet in the following diet: 15% fish meal (71.2% CP DM basis), 30% corn distillers grain (23% CP DM basis), and 55% oat grain (CP DM basis) on a DM basis. What will D represent?

The amount of CP

Determine the CP concentration of this diet in the following diet: 15% fish meal (71.2% CP DM basis), 30% corn distillers grain (23% CP DM basis), and 55% oat grain (CP DM basis) on a DM basis. What is the value of E?

10.68

Determine the CP concentration of this diet in the following diet: 15% fish meal (71.2% CP DM basis), 30% corn distillers grain (23% CP DM basis), and 55% oat grain (CP DM basis) on a DM basis. What is the value of F?

6.9

Determine the CP concentration of this diet in the following diet: 15% fish meal (71.2% CP DM basis), 30% corn distillers’ grain (23% CP DM basis), and 55% oat grain (CP DM basis) on a DM basis. What is the value of G?

7.32

Determine the CP concentration of this diet in the following diet: 15% fish meal (71.2% CP DM basis), 30% corn distillers grain (23% CP DM basis), and 55% oat grain (CP DM basis) on a DM basis. What is the value of H?

24.9

The following diet consists of 25% fish meal (85% DM), 72% grain products (91% DM), and 3% fat (89%) DM on a DM basis. What does A represent?

% of feed in diet (DM-basis)

The following diet consists of 25% fish meal (85% DM), 72% grain products (91% DM), and 3% fat (89%) DM on a DM basis. What does B represent?

% DM (DM-Basis)

The following diet consists of 25% fish meal (85% DM), 72% grain products (91% DM), and 3% fat (89%) DM on a DM basis. What does C represent?

The % CP on a DM-Basis

The following diet consists of 25% fish meal (85% DM), 72% grain products (91% DM), and 3% fat (89%) DM on a DM basis. What does D represent?

The Amount CP

The following diet consists of 25% fish meal (85% DM), 72% grain products (91% DM), and 3% fat (89%) DM on a DM basis. What does E represent?

79.12

The following diet consists of 25% fish meal (85% DM), 72% grain products (91% DM), and 3% fat (89%) DM on a DM basis. What does F represent?

3.37

The following diet consists of 25% fish meal (85% DM), 72% grain products (91% DM), and 3% fat (89%) DM on a DM basis. What does G represent?

111.9

The following diet consists of 25% fish meal (85% DM), 72% grain products (91% DM), and 3% fat (89%) DM on a DM basis. What does H represent?

26.28

The following diet consists of 25% fish meal (85% DM), 72% grain products (91% DM), and 3% fat (89%) DM on a DM basis. What does I represent?

70.71

The following diet consists of 25% fish meal (85% DM), 72% grain products (91% DM), and 3% fat (89%) DM on a DM basis. What does J represent?

100

The following diet consists of 25% fish meal (85% DM), 72% grain products (91% DM), and 3% fat (89%) DM on a DM basis. What is the DM concentration of this diet?

89.4% 

You want to determine which alfalfa hay is the best value ($/lb CP). What is the $ per lb CP of Alfalfa A?

0.56

You want to determine which alfalfa hay is the best value ($/lb CP). What is the $ per lb CP of Alfalfa B?

2.00

Determine how much Purina Equine Senior (as-fed) needs to be fed to your gelding, who is exercising, to meet his crude protein (CP) requirements? He is not consuming additional forage. His requirements are 0.740 kg CP

5.29

For a 1000-lb cow consuming 80 lb of fresh alfalfa (AF basis; with 24% DM) per day, how much would be consumed on a DM basis?

19.2 lb DM

If the Crude Protein (CP) of the pasture is 19% on a DM basis, what is the % CP (AF basis) for this fresh alfalfa hay? The DM is 24%.

4.56 CP (AF)

How much is this consuming per day calculated from DM values? It is consuming 19.2 lb with a pasture that is 19% CP.

3.65 lb (DM)

How much is this consuming per day calculated from DM values? It is consuming 80 lb with a pasture that is 4.56% CP.

3.65 lb (AF)

What three things must be included on a feed label?

Crude protein, crude fiber, and crude fat

What two additional things can be found on a pet feed label?

Moisture concentration and caloric value