2015 JR Exam Questions

Question 1

Which breed produces milk with the highest fat and protein content?

Answer 1

Jersey

Question 2

What is the term for an animal that never grows horns because of its genetic makeup?

Answer 2

polled

Question 3

Which stomach compartment is located closest to the heart?

Answer 3

reticulum

Question 4

When posing your cow for the judge, her rear leg closest to the judge should be where?

Answer 4

slightly forward of the other one

Question 5

What is the normal body temperature of a healthy calf?

Answer 5

102.5ºF

Question 6

What are the subcutaneous abdominal veins also called?

Answer 6

milk veins

Question 7

What is the animal’s safety zone?

Answer 7

flight zone

Question 8

Which animal is NOT a ruminant? deer, goat, goldfish, sheep

Answer 8

goldfish

Question 9

What is the liquid portion of cheese making called?

Answer 9

whey

Question 10

What vitamin is necessary because it helps clot the blood?

Answer 10

Vitamin K

Question 11

Name the technical term for the act of giving birth?

Answer 11

partuition

Question 12

What disease causes redness and inflammation of the lining of the eyelid and eyeball?

Answer 12

pink eye

Question 13

Where did the Holstein breed originate?

Answer 13

Netherlands and Germany

Question 14

If a sperm bearing the Y chromosome fertilizes an egg what sex will the offspring be?

Answer 14

male

Question 15

What company is the largest processor and distributor of milk in the world based on dairy dales?

Answer 15

Nestle of Switzerland

Question 16

What ingredient can be added to dairy cattle rations to improve taste and reduce dustiness?

Answer 16

molasses

Question 17

Calves should be dehorned by what age?

Answer 17

3 weeks old

Question 18

Which breed of dairy cow has the longest gestation period?

Answer 18

Brown Swiss

Question 19

Sterility describes and animal that cannot do what?

Answer 19

cannot reporduce

Question 20

The process that turns cream into butter is called:

Answer 20

churning

Question 21

What class of milk would be eaten on your morning cereal?

Answer 21

Class 1

Question 22

What is the recommended length of the dry period for dairy cows?

Answer 22

45 - 60 days

Question 23

Amino acids are classified as what?

Answer 23

essential and non-essential

Question 24

Which hormone blocks milk let-down?

Answer 24

adrenaline

Question 25

Cattle have how many pairs of chromosomes?

Answer 25

30 pairs

Question 26

How long is the most common Voluntary Waiting Period?

Answer 26

60 days

Question 27

Somatic cells include what 2 cell types?

Answer 27

white blood cells and epithelial cells

Question 28

How much does a bushel of wheat or soybeans weigh?

Answer 28

60 pounds

Question 29

A gallon of milk weighs how many pounds?

Answer 29

8.6 pounds

Question 30

What breed is the smallest dairy breed?

Answer 30

Jersey

Question 31

What magazine is known as the “national dairy farm magazine”?

Answer 31

Hoard’s Dairyman

Question 32

How often should the bulk tank be washed and sanitized?

Answer 32

every time it is emptied

Question 33

Why would a farmer use copper sulfate on a dairy farm?

Answer 33

as a foot bath additive

Question 34

What is another name for an intact male bovine?

Answer 34

bull

Question 35

Are alfalfa hay and corn silage examples of forages or concentrates?

Answer 35

forages

Question 36

It takes how many pounds of whole milk to make 1 pound of cheese?

Answer 36

10 pounds of whole milk = 1 pound of cheese

Question 37

What body system does scours affect?

Answer 37

digestive

Question 38

What percentage of genetics does an offspring receive from the mother?

Answer 38

50% (1/2) come from the mother and the other 50% come from the father

Question 39

What is the liquid portion of cheese making called?

Answer 39

whey

Question 40

The CMT is used to detect what type of infection?

Answer 40

mastitis

Question 41

In what organ of the female reproductive system does the fetus develop?

Answer 41

uterus

Question 42

What is the process called that breaks up fat particles in raw milk?

Answer 42

homogenization

Question 43

What nutrient supplies energy for the animal at 2.25 to 2.6 times the amount of carbohydrates?

Answer 43

fat

Question 44

What disease is known as acetonemia?

Answer 44

ketosis

Question 45

Which of the following is a reason a cow can be disqualified from the show ring? blind quarter, post legged, straight topline,high tailhead

Answer 45

blind quarter

Question 46

What hormone helps maintains pregnancy?

Answer 46

proesterone

Question 47

What is another name for a twisted stomach?

Answer 47

displaced abomasum

Question 48

What is the most common reason a cow does not come back into heat?

Answer 48

pregnant

Question 49

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

Answer 49

alveoli

Question 50

What innovative artificial insemination product first became available in 2003?

Answer 50

sexed semen