Name: 
 

2001 Dairy CDE State Exam



Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
 

1. 

Feed costs generally account for _______ if the cost of producing milk.
a.
15%
c.
50%
b.
25%
d.
85%
 

2. 

A cow will consume 90 pounds of excellent quality ryegrass per day (with 2-3 hours grazing).  If the ryegrass were 10% dry matter, how many pounds dry matter will a cow consume?
a.
9 pounds
c.
20 pounds
b.
89 pounds
d.
80 pounds
 

3. 

The American Milking Shorthorn is considered a dual-purpose breed as is the Brown Swiss breed.
a.
True
b.
False
 

4. 

A characteristic that is not representative of the Brown Swiss breed is:
a.
solid brown in color, ranging from light to dark
c.
average 8.1% milkfat
b.
bulls are used in beef crossbreeding programs
d.
are longest lived of the dairy breeds
 

5. 

The smallest dairy breed is:
a.
Holstein
c.
Guernsey
b.
Hereford
d.
Jersey
 

6. 

In the linear classification system, the classifier would evaluate udder tilt by viewing the cow from the:
a.
Rear
c.
Side
b.
Front
d.
None of the above
 

7. 

Infection in a cow's uterus after calving is called:
a.
IBR
c.
Mastitis
b.
Milk fever
d.
Metritis
 

8. 

The five major breeds of dairy cattle in the United States are:
a.
Milking Shorthorn, Jersey, Guernsey, Ayshire, Holstein
c.
Holstein, Jersey, Guernsey, Brown Swiss, Ayshire
b.
Beef Friesian, Holstein, Jersey, Ayshire, Milking Shorthorn
d.
None of the above
 

9. 

The Ayshire breed originated in the county of Ayr in southwestern part of:
a.
England
c.
Germany
b.
Scotland
d.
Russia
 

10. 

Most dairy farmers milk cows
a.
three times per day
c.
once per day
b.
two times per day
d.
four times per day
 

11. 

Dairy farming requires
a.
a low capital investment
c.
a high capital investment
b.
very little labor
d.
a lot of grain and little roughage for feed
 

12. 

The average chore labor per cow per year is
a.
75 hours
c.
27 hours
b.
67 hours
d.
40 hours
 

13. 

The best indication of the ability of a cow to transmit the potential for high production to her offspring is
a.
her pedigree.
c.
her physical appearance.
b.
her production records.
d.
the production records of her daughters.
 

14. 

The most important part of the cow's body is the
a.
udder.
c.
topline.
b.
feet and legs.
d.
head and shoulders.
 

15. 

A desirable udder
a.
remains firm after milking.
c.
has large teats in the front and small teats in the rear.
b.
is small in size.
d.
is soft, pliable, and elastic.
 

16. 

When judging a class of dairy cows and a pair in the class is close, make the placing on the basis of
a.
general appearance.
c.
mammary system.
b.
body capacity.
d.
dairy character.
 

17. 

A somatic cell count above __________ in milk may indicate that a bacteria infection is present in one or more cows in the herd.
a.
500,000
c.
275,000
b.
300,000
d.
250,000
 

18. 

When buying replacement animals for the dairy herd, require health records and isolate from the rest of the herd for ______ days.
a.
10
c.
30
b.
20
d.
60
 

19. 

In the linear classification system, the classifier evaluates depth of body by looking primarily at the:
a.
Bone structure
c.
Rib cage
b.
Pelvic area
d.
All of the above
 

20. 

The classifier in linear classification would evaluate the pelvic area to determine:
a.
Thurl width
c.
Body depth
b.
Rump angle
d.
Dairy form
 

21. 

When injecting a drug into an animal, the wrong needle size or drug amount per site can result in
a.
illegal drug residues.
c.
tissue damage
b.
reduced drug effectiveness
d.
all of the above
 

22. 

In judging dairy cattle, the ideal dairy type is described most accurately in the :
a.
Dairy handbook
c.
Judging Manual
b.
Dairy Cow Unified Score Card
d.
None of the above
 

23. 

It is normal for ______ percent of dairy cows to have retained placenta.
a.
2 to 4
c.
10 to 12
b.
6 to 8
d.
14 to 16
 

24. 

In the linear classification system, average final score varies by age, i.e., older cows score higher on average than two year olds.  Breed Age Average (BAA) allows you to compare scores of cows of different ages.
a.
True
b.
False
 

25. 

A symptom of milk fever is
a.
the cow lies on her brisket with her head turned back toward her side.
c.
a fever.
b.
a drop in milk production.
d.
the cow stands with the back arched.
 



 
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