2015 JR Exam Questions Flashcards Preview

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Flashcards in 2015 JR Exam Questions Deck (50):
1

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

Jersey

2

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

polled

3

Which stomach compartment is located closest to the heart?

reticulum

4

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

slightly forward of the other one

5

What is the normal body temperature of a healthy calf?

102.5ºF

6

What are the subcutaneous abdominal veins also called?

milk veins

7

What is the animal’s safety zone?

flight zone

8

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

goldfish

9

What is the liquid portion of cheese making called?

whey

10

What vitamin is necessary because it helps clot the blood?

Vitamin K

11

Name the technical term for the act of giving birth?

partuition

12

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

pink eye

13

Where did the Holstein breed originate?

Netherlands and Germany

14

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

male

15

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

Nestle of Switzerland

16

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

molasses

17

Calves should be dehorned by what age?

3 weeks old

18

Which breed of dairy cow has the longest gestation period?

Brown Swiss

19

Sterility describes and animal that cannot do what?

cannot reporduce

20

The process that turns cream into butter is called:

churning

21

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

Class 1

22

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

45 - 60 days

23

Amino acids are classified as what?

essential and non-essential

24

Which hormone blocks milk let-down?

adrenaline

25

Cattle have how many pairs of chromosomes?

30 pairs

26

How long is the most common Voluntary Waiting Period?

60 days

27

Somatic cells include what 2 cell types?

white blood cells and epithelial cells

28

How much does a bushel of wheat or soybeans weigh?

60 pounds

29

A gallon of milk weighs how many pounds?

8.6 pounds

30

What breed is the smallest dairy breed?

Jersey

31

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

Hoard’s Dairyman

32

How often should the bulk tank be washed and sanitized?

every time it is emptied

33

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

as a foot bath additive

34

What is another name for an intact male bovine?

bull

35

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

forages

36

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

10 pounds of whole milk = 1 pound of cheese

37

What body system does scours affect?

digestive

38

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

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

39

What is the liquid portion of cheese making called?

whey

40

The CMT is used to detect what type of infection?

mastitis

41

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

uterus

42

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

homogenization

43

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

fat

44

What disease is known as acetonemia?

ketosis

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

blind quarter

46

What hormone helps maintains pregnancy?

proesterone

47

What is another name for a twisted stomach?

displaced abomasum

48

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

pregnant

49

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

alveoli

50

What innovative artificial insemination product first became available in 2003?

sexed semen

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