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Flashcards in JR Exam Questions Deck (146):
1

What is a record of ancestry called?

pedigree

2

Which stste has the highest number of dairy cows?

California

3

What is the name of the large storage facility used to cool and store the milk until it can be transported to the milk processing plant?

bulk tank

4

How many pounds of whole milk does it take to make one pound of cheese?

10 pounds

5

What is the fluid by-product of cheese making?

whey

6

How long after birth should a calf be fed colostrum?

2-3 days

7

What are two common methods of identification in calves?

eartag, ear tattoo, photo, sketch,

8

Where in the cow are the eggs produced?

ovaries

9

Where is the Red & White Breed Headquarters located?

Clinton, WI

10

Which dairy cattle breed orginated in the Netherlands and Germany?

Holstein

11

What is the recommended temperature for washing the bulk tank?

160º

12

Where is the All-American Dairy Show held?

Harrisburg, PA

13

How many classes of milk are there?

4

14

When posing your COW for the judge, her rear leg closet to the judge should be __?

slightly forward of the other one

15

Microminerals are laso known as ___ minerals.

trace

16

Which part of the reproductive tract is where the calf grows and develops?

uterus

17

Name the stomach compartments of the cow.

rumen, reticulum omasum, abomasum

18

What do the letters ET stand for?

embryo transfer

19

How much does a gallon of milk weigh?

8.6 lbs

20

How can a population's genetic make-up be changed?

migration, mutation, selection

21

What bredd of dairy cattle is known for the golden color of milk?

Guernsey

22

What symbol assures the customer that the product they are purchasing is a genuine dairy product?

Real Seal

23

What disease is caused by a deficiency of Vitamin E and selenium?

white muscle disease

24

How old is a calf when it begins to chew its cud?

2 weeks

25

Which stomach compartment is the largest?

rumen, reticulum omasum, abomasum

26

Which stomach chamber is often referred to as the honeycomb?

reticulum

27

Why would a farmer use copper sulfate ona dairy farm?

as a foot bath additive

28

What do you call the process that turns cream into butter?

churning

29

Which breed of dairy goat has ears that are so small, they look like they don't even have ears?

La Mancha

30

Give an example of a legume.

alfalfa, soybeans, clover

31

What is the process of joining an ovum and a sperm called?

fertilization

32

What are the small projections that line the wall of the rumen?

papillae

33

What is the largest dairy cooperative in the world

DFA (Dairy Framers of America)

34

What are the stages of a fly's life cycle?

egg, larvae, pupa, adult

35

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

Red & White Holsteins

36

What class of milk would you find cream cheese in?

Class III

37

What is the standard length of a DHIA record?

305 days

38

How many quarts of saliva does a mature dairy cow produce per day?

50-80 quarts

39

Corn grain contains the greatest amount of what basic nutrient?

carbohydrate

40

The two parts of a cow that can be twisted to one side and called "wry" are what?

face and tail

41

When a calf drinks milk, what diverts the milk into the abomasum?

esophageal groove

42

How many pounds does a typical Jersey calf weigh at birth?

50-60 lbs

43

Name an on-farm screening test to detect mastitis.

CMT (California Mastitis Test), Strip Cup, Conductivity

44

What month's cana spring heifer be born in?

March, April, May

45

The normal temperature of a calf is?

102.5º

46

What is the recommended length for a cow's dry period?

45-60 days

47

The study of goats and goat husbandry is known as:

capriculture

48

What is known as the "national dairy farm magazine"?

Hoard's Dairyman

49

Where is the thurl located on the dairy cow?

between hooks and pins

50

What is the name of the official Jersey breed magazine?

Jersey Journal

51

What city holds the National 4-H Dairy Conference?

Madison, WI

52

Which of the stomach compartments is located closest to the heart?

reticulum

53

Name a style of milk parlor.

parallel, side-opening, herringbone, rotary, parabone

54

What dairy feedstuff is made from sugar beet or sugar cane, is high in sugar, and has a sweet small?

molasses

55

What do you call a plant that must be replanted each year?

annual

56

What hormone is known as the "milk letdown" hormone?

oxytocin

57

What are the two most common health problems in calves?

scours & pneumonia

58

Microminerals are needed in what amount?

small amounts

59

What is another name for the corpus luteum?

yellow body

60

What is the by-product of cheese making called?

whey

61

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

polled

62

Give the order of classes at dairy shows.

Youngest - spring heifer calf, winter heifer calf, fall heifer calf, summer yearling heifer, spring yearling heifer, winter yearling calf, fall yearling heifer

63

What fast food chain in the United Sates uses the most milk?

McDonald's

64

What is the device used to test the quality of colostrum?

colostrometer

65

How often should the on-farm bulk tank be washed and sanitized?

every time it is emptied

66

What is the average length of a cow's pregnancy?

280-285 days

67

What is the most popular cheese in the Unites States?

mozzarella

68

Where does one give an intramuscular injection?

in the neck

69

What is the name of the condition when a cow cannot belch?

bloat

70

What is the most costly disease in dairy cattle?

mastitis

71

Dystocia means difficulty doing what?

difficulty giving birth

72

How many teeth does a mature dairy cow have?

32 teeth, no upper front teeth

73

Which breed of dairy cattle is the largest bymartue breed weight?

Brown Swiss

74

How many pairs of chromosomes does a dairy animal have?

30 pair

75

What do the letters DHIA stand for?

Dairy Herd Improvement Association

76

What is a sterile heifer born twin to a bull called?

freemartin

77

What would you give a dairy animal to help with the prevention of hardware disease?

magnet

78

Which of the dairy cattle breeds is the smallest?

Jersey

79

What nutrient is required by the dairy animal in the largest amount?

water

80

What hormone blocks milk let down?

adrenaline

81

What does DM stand for in regards to nutrition?

dry matter

82

What month is national dairy month?

June

83

What breed of dairy cow makes up approximately 90% of all dairy cows in the US?

Holstein

84

What causes ringworm?

fungus

85

Where is a cow's blind spot?

directly behind the animal

86

The CMT is used to detect what type of infection?

mastitis

87

What factor contributes the greatest cost to the production of milk?

feed costs

88

What are the functions of saliva?

mostens food, acts a buffer, lubicates food

89

The PDCA Dairy Cow Unified score card changed in what year?

2009

90

What month is National Ice Cream month?

July

91

Which organ is affected by endometritis?

uterus

92

What is the name of the process that breaks up the fat particles so that they remain mixed in the milk?

homogenization

93

For Holstein's what is the range for a very good classification?

85-89

94

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

chine

95

What is the mature bodyweight of a Jersey cow?

1000 lbs

96

Milk is usually fortified with what two vitamins?

A and D

97

Name the two gases produced in the rumen.

carbon dioxide and methane

98

What do the letters USDA stand for?

United States Department of Agriculture

99

What vitamin is necessary because it helps to clot blood?

Vitamin K

100

What percent fat is whole milk?

3.25%

101

Name an animal besides a dairy cow that produces milk for human consumption.

goat, sheep, yak, camel, water buffalo, reindeer, horse

102

What element is used to store semen?

liquid nitrogen (-320º)

103

What is the liquid portion leftover after making cheese?

whey

104

Mastitis is caused by what type of microorganism?

bacteria

105

What is a castrated male goat called?

wether

106

What are castrated male dairy cattle called?

steer

107

In what part of the cow does a calf grow and develop?

uterus

108

Where is the pastern located?

above the hoof

109

Ringworm is caused by what type of microorganism?

virus

110

What do the letters TMR stand for?

total mixed ration

111

On the PDCA Unified Score Card for Dairy Cows, Dairy Strength counts for how many points?

25 points

112

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

embryo transfer

113

Name one common metabolic disorder.

milk fever, ketosis, retained placenta

114

What is the name of plants whose life cycle is more than two years?

perennial

115

Which breed of dairy goat is all white?

Saanen

116

What is the mother of a dairy calf called?

dam

117

What three parts of the Brown Swiss are typically black?

nose, hoofs, switch

118

What is the term for the milk left in the udder after milking?

residual milk

119

In reference to dairy health, what do the letters DA mean?

displaced abomasum

120

The relationship bewteen the rumen microbes and the ruminant animal is called:

symbiotic

121

The average age of a dairy calf when it is weaned is approximately what?

4-8 weeks old

122

Name a common type of fly on the dairy farm.

face fly, house fly, heel fly

123

What compartment of the digestive system is known as the true stomach?

abomasum

124

What breed is known as the Royal Breed?

Guernsey

125

What is the normal temperature of a dairy cow?

101.5º

126

Glucose and galactose are two simple sugars that make up what more complex milk sugar?

lactose

127

When you buzz in during a dairy bowl game you may only repsond when?

after the judge acknowledges you

128

What is the average number of days between heat periods for a cow ad goat?

21 days

129

When judging dairy cows, the udder is worth how many points?

40 points

130

What is the first milk from the cow called?

colostrum

131

What vitamin is added to all commercially available milk?

A and/or D

132

What chamber of the stomach is closest to the heart?

reticulum

133

Name a common type of manure storage facility?

dry stack barn, anaerobic pit, earthen structure, above ground tank, lagoon

134

When milk is pasteurized, it is heated to 161ºF for how long?

15 seconds

135

What is the most common illness a dairy calf can get?

scours

136

How often should water be available to dairy cows?

24 hrs/day

137

The Ayrshire originated in what country?

Ayr, Scotland

138

What is the term for the first streams of milk stripped from the udder prior to milking?

foremilk

139

What organ produces the cow's eggs?

ovary

140

A _____ sale is when a farmer sells his entire herd.

dispersal

141

At what age do you want a dairy heifer to calve for the first time?

2 years old

142

What is the name of the precursor to vitamin A?

carotene

143

Feta cheese is mainly made from the milk from what animal?

sheep

144

The land area that catches rain and snow run-off and drains to marshes, streams, rivers, lakes and/or groundwater is called what?

watershed

145

What is the common name for mycobacterium paratuberculosis?

Johne's disease

146

What is the name of the on-farm tool used to measure fiber and forage particle size?

forage particle separator

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