2014 JR Exam Questions Flashcards Preview

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Flashcards in 2014 JR Exam Questions Deck (49):
1

The CMT is used to detect what type of infection?

mastitis

2

Which of the stomach compartments is closest to the stomach?

reticulum

3

Red, red & white, or roan are the colors used to describe which breed?

Milking Shorthorn

4

In days, how long is the pregnancy period for a dairy cow?

280 days

5

What is another name for a displaced abomasum?

twisted stomach

6

What vitamin is necessary because it helps clot the blood?

Vitamin K

7

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

male (XY)

8

What disease is known as acetonemia?

ketosis

9

Which breed of dairy cow has the longest gestation period?

Brown Swiss

10

Which hormone blocks milk let-down?

adrenaline

11

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

artificial insemination

12

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

herringbone

13

For a calf to be called a spring heifer calf, what months does she have to be born?

March, April, May

14

What is another name for the corpus luteum?

yellow body

15

What is the main function of the omasum?

dehydration of feed (squeezing all water out of feed0

16

What substance should a newborn animal’s navel be dipped in?

iodine

17

What is the name for a substance that has a pH below 7?

below 7 - acid (above 7 - base)

18

In the rumen carbohydrates are converted into VFA’s. VFA stands for what?

volatile fatty acids

19

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

teat cup liner

20

Who is the current US Secretary of Agriculture?

Tom Vilsack

21

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

Hoard’s Dairyman

22

What is the normal respiratory rate for a cow?

30 breaths per minute

23

How often should a bulk tank be washed and sanitized?

every time it is emptied

24

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

clinical mastitis

25

What do the letters USDA stand for?

United States Department of Agriculture

26

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

as a foot bath additive

27

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

slightly forward of the other leg

28

What is a record of ancestry?

pedigree

29

What is the primary protein found in milk?

casein

30

Which breeds can be identified by a photo or sketch?

Holstein, Guernsey, Ayrshire

31

What breed is the smallest dairy cattle breed?

Jersey

32

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

alveoli

33

What is the period when a cow is not producing milk?

dry

34

The process that turns cream into butter is called what?

churning

35

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

21 days

36

What part of the back lies between the withers and the middle of the back on both dairy cows and dairy goats?

chine

37

Why do farmers put a K-MAR patch on the rump of their cows?

to detect heat

38

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

polled

39

Approximately how much blood must be pumped thru the udder to produce one pound of milk?

400 LBS

40

How may teeth does a mature dairy cow have?

32

41

Which of the cow’s stomach compartments is the largest?

rumen

42

The correct place to give an intramuscular injection is where?

neck

43

Milk is usually fortified with what two vitamins?

Vitamin A and D

44

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

the ideal for her breed

45

What is the animal’s safety zone?

flight zone

46

Name three sources of genetic change in a population?

migration, mutation, selection

47

What three colors are found in registered Holsteins?

black, white, red

48

What is the normal body temperature of a healthy calf?

102.5 ºF

49

Perennials have a life cycle of how long?

more than two years

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