Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
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| 1. | The
abbreviation PDCA represents what dairy organization? a. | Pedigreed Dairy
Council | c. | Purebred Dairy
Cattle Association | b. | Professional Dairy Cow
Association | d. | None of the
above | | | | |
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| 2. | The
five major breeds of dairy cattle in the United States are: a. | Milking
Shorthorn, Jersey, Guernsey, Ayshire, Holstein | b. | Beef Friesian,
Holstein, Jersey, Ayshire, Milking Shorthorn | c. | Holstein,
Jersey, Guernsey, Brown Swiss, Ayshire | d. | None of the above | | |
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| 3. | Desirable traits on the Dairy Cow Unified Score Card are related to the ability of the
cow to produce milk over a short period of time.
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| 4. | The
American Milking Shorthorn is considered a dual purpose breed as is the
Holstein/Friesian.
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| 5. | The
Ayshire breed originated in the county of Ayr in the southwestern part of : a. | England | c. | Germany | b. | Scotland | d. | Russia | | | | |
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| 6. | The
number of dairy farms and dairy cattle in the United States has been declining in recent years.
The average size of the dairy herd has: a. | Increased | c. | Remained constant | b. | None of the
above | | | | |
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| 7. | What
breed of dairy cattle ranks first in average milk production per cow at 14,500 lbs.? a. | Jersey | c. | Brown
Swiss | b. | Guernsey | d. | None of the above | | | | |
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| 8. | Rear
udder height is an indicator of: a. | Udder Capacity | c. | Mobility | b. | Longevity | d. | Calving
Ease | | | | |
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| 9. | A
disease caused by a nutritional disorder is: a. | Blackleg | c. | Mastitis | b. | Brucellosis | d. | Ketosis | | | | |
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| 10. | 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 | | | | |
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| 11. | The
three primary entry points of a pathogen into the milk supply are: a. | Cows, insects,
pesticides | c. | Herbicides,
fungicides, insecticides | b. | Cows, people, and equipment | d. | None of the above | | | | |
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| 12. | The
average investment per cow to be involved in dairy farming is: a. | $2,000 to$3,000
per cow | c. | $7,000 to $8,000
per cow | b. | $4,000 to $5,000 per cow | d. | $1,000 to $1,500 per cow | | | | |
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| 13. | Feeding a ration that does not have the correct calcium-phosphorus ratio can
cause: a. | Ketosis | c. | Leptospirosis | b. | Bloating | d. | Milk Fever | | | | |
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| 14. | Holsteins have a recessive gene that occasionally causes a red and white color to
appear.
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| 15. | The
selection of desirable dairy animals for breeding and reproduction is based upon the animals
: a. | Physical
Appearance and Pedigree | c. | Milk Production
Records | b. | Health | d. | All of the Above | | | | |
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| 16. | Judging dairy animals is a process of comparing the individuals being judged
with: a. | Other
animals | c. | Cattle of
another type | b. | Class winners | d. | An ideal dairy type | | | | |
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| 17. | The
Dairy Quality Assurance Program is designed to help dairy farmers produce: a. | More
cows | c. | Larger
cows | b. | More
calves | d. | High-quality
milk | | | | |
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| 18. | Poisonous compounds produced by molds are referred to as: a. | Pathogens | c. | Mycotoxins | b. | Allergens | d. | None of the above | | | | |
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| 19. | Ketosis will usually occur: a. | 2 weeks after calving | c. | 2 weeks prior to calving | b. | 6 to 8 weeks
after calving | d. | None of the
above | | | | |
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| 20. | 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 the scores of cows of
different ages.
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| 21. | Cows
with chronic mastitis infection that do not respond to treatment should be: a. | Treated
again | c. | Culled from the
herd | b. | Fed
more | d. | None of the
above | | | | |
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| 22. | A
classifier using the linear classification system would evaluate depth of body by looking primarily
at the: a. | Flank | c. | Thurl | b. | Udder | d. | Rib cage | | | | |
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| 23. | Infection in a cows uterus after calving is called: a. | Mastitis | c. | Dystocia | b. | Metritis | d. | Vibriosis | | | | |
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| 24. | Milk
used for processing into dairy products such as cheese, butter, and powdered milk is classified
as: a. | Grade A
milk | c. | Grade C
milk | b. | Grade B
milk | d. | None of the
above | | | | |
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| 25. | According to the Linear Classification System there are fifteen traits that have
economic value and are practical traits to select for breed improvement. These traits are
called: a. | Research
traits | c. | Economic
traits | b. | All of the above | | | | |
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