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Dairy Bowl > 2014 JR Exam Questions > Flashcards

2014 JR Exam Questions Flashcards

1
Q

The CMT is used to detect what type of infection?

A

mastitis

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2
Q

Which of the stomach compartments is closest to the stomach?

A

reticulum

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3
Q

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

A

Milking Shorthorn

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4
Q

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

A

280 days

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5
Q

What is another name for a displaced abomasum?

A

twisted stomach

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6
Q

What vitamin is necessary because it helps clot the blood?

A

Vitamin K

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7
Q

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

A

male (XY)

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8
Q

What disease is known as acetonemia?

A

ketosis

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9
Q

Which breed of dairy cow has the longest gestation period?

A

Brown Swiss

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10
Q

Which hormone blocks milk let-down?

A

adrenaline

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11
Q

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

A

artificial insemination

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12
Q

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

A

herringbone

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13
Q

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

A

March, April, May

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14
Q

What is another name for the corpus luteum?

A

yellow body

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15
Q

What is the main function of the omasum?

A

dehydration of feed (squeezing all water out of feed0

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16
Q

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

A

iodine

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17
Q

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

A

below 7 - acid (above 7 - base)

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18
Q

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

A

volatile fatty acids

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19
Q

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

A

teat cup liner

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20
Q

Who is the current US Secretary of Agriculture?

A

Tom Vilsack

21
Q

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

A

Hoard’s Dairyman

22
Q

What is the normal respiratory rate for a cow?

A

30 breaths per minute

23
Q

How often should a bulk tank be washed and sanitized?

A

every time it is emptied

24
Q

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

A

clinical mastitis

25
Q

What do the letters USDA stand for?

A

United States Department of Agriculture

26
Q

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

A

as a foot bath additive

27
Q

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

A

slightly forward of the other leg

28
Q

What is a record of ancestry?

A

pedigree

29
Q

What is the primary protein found in milk?

A

casein

30
Q

Which breeds can be identified by a photo or sketch?

A

Holstein, Guernsey, Ayrshire

31
Q

What breed is the smallest dairy cattle breed?

A

Jersey

32
Q

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

A

alveoli

33
Q

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

A

dry

34
Q

The process that turns cream into butter is called what?

A

churning

35
Q

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

A

21 days

36
Q

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

A

chine

37
Q

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

A

to detect heat

38
Q

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

A

polled

39
Q

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

A

400 LBS

40
Q

How may teeth does a mature dairy cow have?

A

32

41
Q

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

A

rumen

42
Q

The correct place to give an intramuscular injection is where?

A

neck

43
Q

Milk is usually fortified with what two vitamins?

A

Vitamin A and D

44
Q

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

A

the ideal for her breed

45
Q

What is the animal’s safety zone?

A

flight zone

46
Q

Name three sources of genetic change in a population?

A

migration, mutation, selection

47
Q

What three colors are found in registered Holsteins?

A

black, white, red

48
Q

What is the normal body temperature of a healthy calf?

A

102.5 ºF

49
Q

Perennials have a life cycle of how long?

A

more than two years

Dairy Bowl (57 decks)

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