Math
What happens to the total amount of a sample when you convert from DM to AF?
Increases (Adding water=adding weight)
When converting from DM to AF, what happens to nutrient percentage?
Decreases (Adding water=dilution)
When converting from AF to DM, what happens to nutrient percentage?
Increases (Removing water=concentrated)
What happens to the total weight of a sample when converting from AF to DM?
Decreases (Removing water=removing weight)
What is a group of ravens known as?
1. An unkindness
2. A gang
3. A rave
An unkindness
If a feed is 40% DM, how much moisture does it have?
100-40= 60% moisture
How do you remove water from a feed sample?
Dry at 60 C for 72 hours
Organic matter (OM)= DM - _____
Ash (ash is inorganic, can not be burned)
How do you remove organic matter from a feed sample?
Burn at 500 C (you are left with ash which is inorganic)
What is a dot over the letter i and j called?
1. a title
2. a tittle
3. a tattle
a tittle
If a feed weighs 100 grams on an AF basis and is 60% moisture. How much does it weigh on a DM basis?
100-60= 40% DM
100 x .4= 40 grams DM
What happens to the individual nutrient amounts when converting from DM to AF?
STAY THE SAME (No matter which way you flip it)
100- 15= 85 grams of OM
100 grams of DM was burned at 500 C. The weight of the remaining materials was 10 grams. What percentage of the DM was ash?
(10/100) x 100= 10%
On average how many peas are in a pod?
1. 8
1. 6
3. 10
8
If something is insoluble in the acid detergent that means it is (easier/harder) to digest?
harder
What is NDF composed of? What is ADF composed of?
NDF: Hemicellulose, cellulose, lignin
ADF: ONLY Cellulose and lignin
(NDF- ADF = Hemicellulose)
Neutral Detergent Soluble is composed of
Sugars
Starches
Proteins
Fats
Minerals
What is the date of your first exam in this class?
2/7
The first toilet ever seen on TV was on what show?
1. Leave it to Beaver
2. The Brady Bunch
3. I Love Lucy
Leave it to Beaver
The dry matter (70 grams) was dissolved in a neutral detergent extraction solution. 15 grams of dry matter was NOT dissolved in the solution. Calculate NDF content as a % of DM?
(15/70) x 100= 21.4% NDF DM
What is the approximate measure of true proteins in the diet?
crude protein
(remember NPN are all nitrogenous components in feed that are NOT true proteins)
How do you calculate crude protein?
Solve: 55 grams of DM contained 4.0 grams of nitrogen. Calculate the amount of CP in that feed sample.
CP= Total N in feed x 6.25
(Why 6.25? 16% of CP is nitrogen)
4.0g x 6.25= 25 grams CP
A feed sample contains 100 grams of DM. The ether extracted 4.0 grams. What is the crude fat % DM?
What animal is known to kill more people than plane crashes?
1. Donkeys
2. Lions
3. Camels
Donkeys