Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Dairy Preliminary Test Bank

Total questions: 100

Worksheet time: 50mins

Name
Class
Date
1.

When did the first cows arrive at the Jamestown Colony?

a)

1607

b)

1611

c)

1674

d)

1632

2.

Who developed the Babcock test?

a)

Gail Borden

b)

S.M. Babcock

c)

Dr. Lindahl

d)

Harvey Thatcher

3.

Which year was the first commercial cheese factory established?

a)

1840

b)

1851

c)

1877

d)

1904

4.

The Morrill Act created what system?

a)

DHIA

b)

Land Grant Colleges

c)

Federal Milk Orders

d)

Cooperative Extension

5.

Hoard's Dairyman was first published in:

a)

1846

b)

1880

c)

1885

d)

1906

6.

What does DHIA stand for?

a)

Dairy Heifer Industry Alliance

b)

Dairy Herd Improvement Association

c)

Dairy Health Inspection Association

d)

Dairy Buying Innovation Association

7.

The Journal of Dairy Science is published by:

a)

ADSA

b)

NMPF

c)

DHIA

d)

DFCFA

8.

The National Dairy Shrine Museum is located in:

a)

Madison, WI

b)

Stratford, IA

c)

Fort Atkinson, WI

d)

Beloit, WI

9.

USDA's research arm is the:

a)

ARS

b)

APHIS

c)

FSA

d)

CCC

10.

Which organization oversees interstate milk shipment standards?

a)

NIFA

b)

NCIMS

c)

FSA

d)

DFA

11.

Which dairy breed originated in Switzerland?

a)

Ayrshire

b)

Brown Swiss

c)

Jersey

d)

Guernsey

12.

Which breed has milk known for its golden color?

a)

Jersey

b)

Guernsey

c)

Ayrshire

d)

Milking Shorthorn

13.

The smallest dairy breed by size is:

a)

Jersey

b)

Ayrshire

c)

Holstein

d)

Guernsey

14.

Holsteins make up what percent of U.S. cows?

a)

50%

b)

70%

c)

90%

d)

60%

15.

The major reason Holsteins dominate the U.S. dairy industry is:

a)

Highest milk volume

b)

Highest components

c)

Smallest body size

d)

Oldest breed

16.

On the unified scorecard, the udder category is worth:

a)

25 points

b)

30 points

c)

35 points

d)

40 points

17.

The hock is used to determine:

a)

Body depth

b)

Udder floor height

c)

Teat length

d)

Breed character

18.

How many animals are in a 4-H judging class?

a)

3

b)

4

c)

5

d)

6

19.

Which leg position is correct for showing a heifer?

a)

Near leg forward

b)

Near leg back

20.

When showing a cow (not a heifer), the rear leg nearest the judge should be:

a)

Back

b)

Forward

c)

Straight

d)

Raised

21.

Colostrum should be fed within how many hours?

a)

1 hour

b)

2 hours

c)

5 hours

d)

12 hours

22.

High-quality colostrum contains at least how many grams of IgG?

a)

25 g/L

b)

50 g/L

c)

100 g/L

d)

75 g/L

23.

Calves should be weaned when consuming how much starter?

a)

1 lb/day

b)

1.5 lb/day

c)

2-3 lb/day

d)

5-6 lb/day

24.

The leading cause of death in young calves is:

a)

Pneumonia

b)

Scours

c)

Bloat

d)

Navel infections

25.

A calf’s rumen is fully functional by:

a)

2 months

b)

4-5 months

c)

6-8 months

d)

8+ months

26.

What is the most limiting nutrient for high-producing cows?

a)

Water

b)

Calcium

c)

Protein

d)

Energy

27.

Which VFA is the precursor for glucose?

a)

Acetate

b)

Butyrate

c)

Propionate

d)

Lactate

28.

A mature cow produces how much saliva per day?

a)

30-40 quarts

b)

20-30 quarts

c)

50-60 quarts

d)

100-140 quarts

29.

The major buffering agent in the rumen is:

a)

Sodium chloride

b)

Bicarbonate

c)

Magnesium oxide

30.

Maximum recommended fat in a lactating ration is:

a)

3-4%

b)

5-7%

c)

10-12%

d)

15%

31.

The rumen makes up what percent of the newborn calf’s stomach?

a)

10%

b)

25%

c)

50%

d)

80%

32.

The primary acid in the abomasum is:

a)

Acetic

b)

Butyric

c)

Hydrochloric

33.

NDF predicts:

a)

Mineral content

b)

Intake

c)

Protein content

d)

Energy density

34.

ADF should be what percent for high-producing cows?

a)

12-14%

b)

15-17%

c)

18-21%

d)

22-24%

35.

Lactic acid is the preferred acid in:

a)

Milk

b)

Rumen

c)

Silage fermentation

d)

Colostrum

36.

Kernel processing in corn silage improves:

a)

Fiber digestibility

b)

Fat content

c)

Starch digestibility

d)

Moisture content

37.

Brown midrib corn has lower levels of:

a)

Starch

b)

Protein

c)

Lignin

d)

Sugar

38.

Ionophores increase which VFA?

a)

A. Acetate

b)

B. Propionate

39.

Milk urea nitrogen (MUN) target range is:

a)

2-4 mg/dL

b)

6-8 mg/dL

c)

8-14 mg/dL

d)

14-18 mg/dL

40.

A cow has how many teeth?

a)

20

b)

28

c)

30

d)

32

41.

Which hormone causes milk letdown?

a)

Estrogen

b)

Oxytocin

c)

Progesterone

d)

IGF-1

42.

Adrenaline interferes with milk letdown for:

a)

5 minutes

b)

10 minutes

c)

30-40 minutes

d)

1 hour

43.

Cows milked 3x daily produce how much more milk?

a)

2-4%

b)

5-7%

c)

10-15%

d)

20-25%

44.

The correct prep lag time before attaching the unit is:

a)

10 seconds

b)

20 seconds

c)

30 seconds

d)

60-90 seconds

45.

A liner should be replaced every:

a)

250 milkings

b)

500 milkings

c)

1,000-1,200 milkings

d)

2,000 milkings

46.

The main reason to post-dip teats is to prevent:

a)

Milk fever

b)

New infections

c)

Lameness

d)

High SCC

47.

Most common cause of high bacteria counts in milk is:

a)

Sick cows

b)

Nutrition

c)

Dirty equipment

d)

Bad ventilation

48.

Mastitis costs roughly how much per cow annually?

a)

$50

b)

$100

c)

$200

d)

$500

49.

The most common type of mastitis is:

a)

Acute

b)

Chronic

c)

Clinical

d)

Subclinical

50.

Forestripping is done to:

a)

Stimulate letdown

b)

Check for mastitis

c)

Flush teat canal

d)

All of the above

51.

The milk line should be washed at what temperature?

a)

100°F

b)

120°F

c)

140°F

d)

160°F

52.

Which is a contagious mastitis pathogen?

a)

Klebsiella

b)

E. coli

c)

Staph aureus

d)

Trueperella

53.

What is the food safety agency responsible for milk inspection?

a)

FDA

b)

USDA

c)

APHIS

d)

EPA

54.

What structure produces keratin?

a)

Rumen papillae

b)

Teat canal lining

c)

Udder alveoli

d)

Omasal folds

55.

A cow's milk letdown is triggered by:

a)

Massaging her tailhead

b)

Exposure to sunlight

c)

Suckling stimulation

d)

Starting the pump

56.

Which parlor has cows standing parallel to each other?

a)

Herringbone

b)

Rotary

c)

Parallel

d)

Side opening

57.

The most common rotary platform speed is:

a)

2 sec/stall

b)

5 sec/stall

58.

Milk stone is caused by buildup of:

a)

Protein

b)

Minerals

c)

Bacteria

d)

Fat

59.

The unit should be attached within how long after stimulation?

a)

30 seconds

b)

10 seconds

c)

1 minute

d)

2 minutes

60.

Rough, chapped teat ends increase risk of:

a)

Lameness

b)

Mastitis

c)

Ketosis

d)

Milk fever

61.

A forage sample should be taken from how many square bales?

a)

5

b)

10

c)

20

d)

40

62.

Which is a by-product feed?

a)

Alfalfa

b)

Corn silage

c)

Soybean meal

d)

Distillers grains

63.

Relative feed value (RFV) combines:

a)

Protein & fiber

b)

Digestibility & intake

c)

Minerals & vitamins

d)

Fiber & energy

64.

Which feed has the highest energy density?

a)

Minerals

b)

Carbohydrates

c)

Fat

d)

Protein

65.

Peak milk production occurs:

a)

At walking

b)

6-8 weeks after peak intake

c)

Before peak intake

d)

After peak intake

66.

Heifers should be bred at what % of mature weight?

a)

30%

b)

40%

c)

55%

d)

75%

67.

Transition milk comes from which milkings?

a)

1st

b)

2nd-4th

c)

5th-7th

d)

After 10th

68.

Cold housing for calves means:

a)

Heated barn

b)

Temperature varies with outdoors

c)

Fans for ventilation

d)

Raised heat flooring

69.

A calf begins chewing cud at about:

a)

1 week

b)

2-3 weeks

c)

6 weeks

d)

3 months

70.

Extra teats are also known as:

a)

Warts

b)

Nodules

c)

Supernumerary teats

d)

Blind teats

71.

Which is a macromineral?

a)

Copper

b)

Cobalt

c)

Selenium

d)

Calcium

72.

Which vitamin affects blood clotting?

a)

A. A

b)

B. D

c)

C. E

d)

D. K

73.

Water makes up what % of a cow's body weight?

a)

30%

b)

45%

c)

56%

d)

70%

74.

Most water consumption occurs:

a)

While lying

b)

After milking

c)

At midnight

d)

Before calving

75.

A cow losing water fastest will lose performance due to lack of:

a)

Protein

b)

Vitamins

c)

Energy

d)

Water

76.

The rumen's ideal pH is:

a)

5.0-5.5

b)

5.9-6.2

77.

Which part of the stomach is called the honeycomb?

a)

Rumen

b)

Omasum

c)

Reticulum

d)

Abomasum

78.

Hardware disease occurs in the:

a)

Rumen

b)

Omasum

c)

Reticulum

d)

Abomasum

79.

Which organism digests fiber in the rumen?

a)

Viruses

b)

Bacteria

c)

Worms

d)

Yeast only

80.

The omasum's primary function is:

a)

Acid production

b)

Fermentation

c)

Water absorption

d)

Filtration of nutrients

81.

Which feed analysis method uses infrared light?

a)

Wet chemistry

b)

NIR

c)

Chromatography

d)

Electrophoresis

82.

DM stands for:

a)

Direct Milk

b)

Dry Matter

c)

Dairy Management

d)

Digestibility Measure

83.

Which fatty acid source is common in rations?

a)

Corn oil

b)

Fish oil

c)

Coconut oil

d)

Olive oil

84.

A total mixed ration (TMR) advantage is:

a)

More sorting

b)

Less efficiency

c)

Consistent ration

d)

Higher labor

85.

The transition period spans:

a)

Calving day only

b)

3 weeks before to 3 weeks after calving

c)

1 month after calving

d)

8 weeks before calving

86.

The main purpose of DCAD diets is to prevent:

a)

Mastitis

b)

Milk fever

c)

Ketosis

d)

Bloat

87.

Which feedstuff increases dietary cations?

a)

Calcium chloride

b)

Calcium sulfate

c)

Sodium bicarbonate

d)

Ammonium sulfate

88.

Sodium bentonite is used as a:

a)

By-product

b)

Buffer

c)

Protein source

d)

Vitamin supplement

89.

The leading expense on dairy farms is:

a)

Labor

b)

Feed

c)

Vet bills

d)

Bedding

90.

Which mineral is required in the greatest quantity?

a)

Phosphorus

b)

Sodium

c)

Copper

d)

Potassium

91.

Foremilk is:

a)

Last milk out

b)

First streams removed

c)

Only from rear quarters

d)

Only for beef calves

92.

Chronic mastitis is characterized by:

a)

Sudden swelling

b)

Long duration

c)

Fever and shock

d)

Black quarter

93.

Residual milk is:

a)

Milk after pasteurization

b)

Milk remaining after milking

c)

Milk left in bulk tank

d)

Milk with high SCC

94.

The teat sphincter is a:

a)

Nerve

b)

Muscle

c)

Vein

d)

Lymph node

95.

The alveoli are responsible for:

a)

Milk storage

b)

Milk synthesis

c)

Filtration

96.

The recommended contact time for pre-dip is:

a)

10 sec

b)

30 sec

c)

45-90 sec

d)

65 sec

97.

The recommended contact time for pre-dip is:

a)

10 sec

b)

30 sec

c)

45-90 sec

d)

65 sec

98.

A strip cup is used to detect:

a)

Milk fever

b)

SCC's

c)

Mastitis

d)

Reproductive heat

99.

BTSCC stands for:

a)

Bulk Tank Somatic Cell Count

b)

Bacterial Total SCC

c)

Bovine Tank SCC

d)

Bulk Tank Safety & Cleanliness Code

100.

A cow calving in which months produces the most milk?

a)

May-July

b)

August-September

c)

November-January

d)

February-March