Junior Exam - 2013

Question 1

The Red Bloodlines” is the breed publication of which breed?

Answer 1

Red and White

Question 2

What is the practice of flushing an embryo from one cow and placing it in another?

Answer 2

Embryo Transfer

(ET)

Question 3

What component affects the amount of cheese one can get from a pound of milk?

Answer 3

Protein

Question 4

What dairy breed is known for producing milk with a golden color?

Answer 4

Guernsey

Question 5

What is another name for twisted stomach?

Answer 5

Displaced Abomasum

Question 6

Which breed of dairy cattle produces milk with the highest percent of butterfat?

Answer 6

Jersey

Question 7

Green chop is defined as…?

Answer 7

forages harvested in the field and fed directly to livestock

Question 8

What are the small projections on the surface of the walls of the rumen called?

Answer 8

papillae

Question 9

What logo is found on dairy products to show that they are true dairy products?

Answer 9

The Real Seal

Question 10

What vitamin is added to milk when it is processed to help prevent rickets?

Answer 10

Vitamin D

Question 11

What do the initials A.I. stand for when talking about breeding cows?

Answer 11

Artificial Insemination

Question 12

What type of parlor is the most common type in use today?

Answer 12

Herringbone

Question 13

What test is used to identify Brucellosis in cattle?

Answer 13

Milk ring test

Question 14

What is another name for the corpus luteum?

Answer 14

Yellow body

Question 15

What is the main function of the omasum?

Answer 15

dehydration of feed

Question 16

Where is undigested feed and waste excreted?

Answer 16

anus

Question 17

In what country did the Ayrshire breed originate?

Answer 17

Scotland

Question 18

In the rumen, carbohydrates are converted into VFAs. What does VFA stand for?

Answer 18

Volatile Fatty Acids

Question 19

What is the only part of the milking system that touches the cow?

Answer 19

Teat cup liner.

Question 20

Who is the current US Secretary of Agriculture?

Answer 20

Tom Vilsack

Question 21

What city hosts the National 4-H Dairy Conference?

Answer 21

Madison, Wisconsin

Question 22

What is the normal respiratory rate for a cow?

Answer 22

30 breaths per minute

Question 23

What is the primary digestive process in the rumen?

Answer 23

Fermentation of feedstuffs

Remember: The rumen is the “Fermentation Vat”

Question 24

What is the main type of mastitis that is characterized by visible abnormalities in the udder or milk called?

Answer 24

Clinical mastitis.

Question 25

What do the letters, USDA stand for?

Answer 25

United States Department of Agriculure

Question 26

What is the name of the process that destroys disease producing bacteria?

Answer 26

Pasteurization

Question 27

How long after birth should a calf be fed colostrum?

Answer 27

Three Weeks

Question 28

What is a record of ancestry?

Answer 28

A Pedigree.

Question 29

What is the primary protein found in milk?

Answer 29

Casein

Question 30

What are wrapped round bales of silage called?

Answer 30

Baleage

Question 31

What breed is the smallest dairy breed?

Answer 31

Jersey

Question 32

What is the name for clusters of milk secreting cells in the udder of a dairy cow?

Answer 32

Alveoli

Question 33

What are two structural carbohydrates that the dairy animal can use as a source of energy?

Answer 33

Cellulose and Hemicellulose

Question 34

The process that turns cream into butter is called....?

Answer 34

Churning

Question 35

On average, how many days are there between heat periods in a dairy cow?

Answer 35

21 days

Question 36

As soon as cows leave the milking parlor is a peak time for consumption of what nutrient?

Answer 36

Water

Question 37

Why do dairy farmers put K-MAR patches on the rump of their cows?

Answer 37

To detect heat.

Question 38

What is the method for permanent ID for the Ayrshire breed?

Answer 38

Photographs or sketches

Question 39

When is the most effective time to treat mastitis infections?

Answer 39

At dry off.

Question 40

How many teeth does a mature cow have?

Answer 40

32

Question 41

Which of the cow's stomach compartments is the largest:

Answer 41

Rumen

Question 42

The correct place to give an intramuscular injection is...?

Answer 42

neck

Question 43

What category receives the most points under the PDCA Dairy Cow Unified Scorecard

Answer 43

Udder

Question 44

Approximately how much bood must be pumped through the udder to produce one pound of milk...?

Answer 44

400 Lbs

Question 45

Classification is the term used for comparing a cow or doe to....?

Answer 45

the Ideal for her breed

Question 46

True or False:When showing a dairy animal, you should parade clockwise before the judge.

Answer 46

True

Question 47

Which of the following is **_NOT_** a source of change in a population's genetic makup? * Migration * Mitosis * Mutation * Selection

Answer 47

Mitosis

Question 48

What three colors are found in registered Holsteins?

Answer 48

Red, White, and Black

Question 49

What is the normal body temperature of a healthy calf?

Answer 49

102.5° F

Question 50

What state has the highest number of dairy cows?

Answer 50

California