Exam I

Question 1

Why has corn protein content decreased in past years?

Answer 1

Higher starch dilutes it

Question 2

What three ways is corn fed?

Answer 2

High moisture, air dry, whole ear

Question 3

What is a another name for sorghum?

Answer 3

Milo

Question 4

What grain has the potential for ergot contamination?

Answer 4

Rye

Question 5

What is natural protein comprised of?

Answer 5

Amino Acids

Question 6

What makes up non protein nitrogen?

Answer 6

provides nitrogen that can be made into amino acids by rumen microbes

Question 7

Can field peas be fed raw?

Answer 7

Yes

Question 8

What meal source can lower male fertility?

Answer 8

Cottonseed meal

Question 9

What does Linseed meal contain that makes coat glossy?

Answer 9

Mucin-same substance found in spit

Question 10

Which meal source is slightly laxative?

Answer 10

Linseed

Question 11

What nutrient does peanut meal contain high amounts of?

Answer 11

Protein

Question 12

How much CP does urea supply?

Answer 12

Equivalence of 281%

Question 13

What product from Alltech is a coated urea?

Answer 13

Optigen

Question 14

What are three sources of non protein nitrogen?

Answer 14

Urea, Biuret, Optigen

Question 15

What are the three types of distillers grains and moisture contents?

Answer 15

Wet-30% DM
Dry- 90% DM
Modified- 50% DM

Question 16

What causes PEM in ruminants?

Answer 16

Sulfur

Question 17

What causes water belly?

Answer 17

Low CA and high P that causes a stone in the urethra

Question 18

What is a mycotoxin?

Answer 18

Mold

Question 19

What does a dark color in distillers grain mean?

Answer 19

Heat damage

Question 20

What beet product may cause a chance of choke?

Answer 20

Beet Tailings

Question 21

What acid causes a bad odor in silage when it is harvested too wet?

Answer 21

Butyric

Question 22

Ideally, hay should contain a maximum of what moisture?

Answer 22

15%

Question 23

Which hay feeders result in the least amount of waste?

Answer 23

Cones

Question 24

Which hay feeder wastes the most?

Answer 24

Wagon

Question 25

High moisture corn should be harvested at what moisture?

Answer 25

25-30% Moisture

Question 26

What compound is responsible for the hemorrhaging that occur in sweet clover?

Answer 26

Coumarin

Question 27

What grain processing method results in the greatest amount of starch gelatinization?

Answer 27

Steam Flaking

Question 28

What is the advised Ca:P ratio?

Answer 28

2:1

Question 29

What type of silo results in the least amount of loss?

Answer 29

Air tight upright

Question 30

Which vitamin is synthesized by rumen microbes provided there is enough cobalt in the diet?

Answer 30

B12

Question 31

Name three losses that may occur when harvesting hay.

Answer 31

Bleaching, Leaching and Leaf shatter

Question 32

Beta-carotene is a precursor for which vitamin?

Answer 32

A

Question 33

What is Menadione a precursor for?

Answer 33

Vitamin K

Question 34

What is copper absorption negatively affected by?

Answer 34

Iron, Molybdenum and Sulfur

Question 35

What does the biodiesel byproduct glycerol have a high nutrient content?

Answer 35

High energy

Question 36

What is the unit used to compare animals on a grazing system?

Answer 36

Animal Unit

Question 37

Which vitamins are stored in the body?

Answer 37

Fat soluble

Question 38

Name the water soluble vitamins.

Answer 38

B and C

Question 39

Name two forages that would have a risk of nitrate toxicity.

Answer 39

Sudan grass and Millet

Question 40

Name three warm season grasses

Answer 40

Switchgrass, Little bluestem and side oats grama

Question 41

Name three cool season grasses.

Answer 41

Reed canary grass, orchard grass and green needle grass

Question 42

What are two benefits of mob grazing?

Answer 42

Trample litter and equal manure spread

Question 43

Name three ways grain processing improves nutrient utilization.

Answer 43

Increase surface area Make starch more available Break the seed coat

Question 44

Name three legumes

Answer 44

``` Soybeans Clover Soybeans Alfalfa Birdsfoot Trifoils ```

Question 45

What are two human health risks associated with using silage?

Answer 45

Fumes-run blower | Can collapse the pile on top of you

Question 46

What mineral deficiency causes a change in coat color?

Answer 46

Copper

Question 47

What mineral deficiency causes goiter?

Answer 47

Iodine

Question 48

Name three advantages and three disadvantages to pelleting feed.

Answer 48

Advantages: Palatable, reduce dust, less sorting by the animal, works in augers, easier storing Disadvantages: Transport, Cost, Quality may be lower, high fat feed doesn't pellet

Question 49

Selenium toxicity may cause what symptom?

Answer 49

Sloughing of tails and hooves

Question 50

Mulberry heart disease is seen in what species and what is it caused by?

Answer 50

Swine, Vitamin E Deficiency