Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
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| 1. | A
young chicken (usually under 13 weeks of age) of either sex that is tender-meated, with soft,
pliable, smooth-textured skin and flexible breastbone cartilage describes: a. | a
broiler. | c. | a
fryer. | b. | a roaster. | d. | both A and C. | | | | |
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| 2. | As
required by the USDA, a "fully cooked" chicken patty must have been cooked to a minimum
internal meat temperature of: a. | 140 degrees F. | c. | 60 degrees C. | b. | 160 degrees
F. | d. | both B and
C. | | | | |
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| 3. | A
chicken egg yolk contains practically all of the known vitamins except: a. | vitamin
K. | c. | vitamin
D. | b. | vitamin
E. | d. | vitamin
C. | | | | |
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| 4. | When
transporting newly hatched chicks from the hatchery to the growout farm, during the summer months,
ambient air temperature may be a concern. If the air temperature exceeds 86 degrees F, the
transport vehicle will require cooling equipment capable of maintaining an "in-box"
temperature of: a. | 30 degrees
C. | c. | 82 degrees
F. | b. | 71 degrees
F. | d. | 90 degrees
F. | | | | |
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| 5. | Larger eggs require a longer time to incubate. When calculating the incubation
or "setting time" for hatching eggs, for every ____ ounce past 2.1 ounces of egg weight and
additional _____ minutes of incubation time is required. a. | 1.0,
60 | c. | 0.1,
30 | b. | 0.1,
60 | d. | 0.5,
45 | | | | |
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| 6. | Age
of eggs plays an important role in determining incubation or "setting" time. When
hatching eggs have been "stored" more than ___ days, incubation time should be extended ___
hour(s) for each day of extended storage. a. | 5, 1 | c. | 4, 0.5 | b. | 6,
1 | d. | 8,
1.5 | | | | |
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| 7. | Using
the information you provided to answer questions #5 and #6 and assuming 510 hours is the usual time
required for incubation, what would be the corrected "setting time" for 8 day old eggs from
a 45 week old broiler breeder flock, with an average egg size of 2.5 ounces? a. | 21 days and 11
hours | c. | 21 days and 17
hours | b. | 21 days and 15 hours | d. | 21 days and 6 hours | | | | |
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| 8. | A
basic rule to follow when providing lighting to broiler breeders is: a. | never increase
the duration or intensity of light during the production period. | c. | never decrease the duration or intensity of light during the
production period. | b. | always increase the duration and intensity of light during the
growing period. | d. | always decrease
the intensity and increase the duration of light during the growing period. | | | | |
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| 9. | In a
broiler breeder operation, nest management is very important. To prevent overcrowding, one nest
should be provided for every _____ to _____ hens. a. | 2 to 3 | c. | 9 to 10 | b. | 4 to
5 | d. | 6 to
8 | | | | |
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| 10. | When
brooding and rearing (0-20 weeks) male broiler breeders separate from females, a flock with 2,000
birds would require _____ "bell type" drinkers.
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| 11. | When
brooding marker broilers chicks in times of stress or during a vaccination reaction, increase the
brooding temperature approximately __________ more than normally recommended, for the age, until the
birds return to normal health. a. | 2.8 degrees C | c. | one degree F for each day of age | b. | 3 degrees
F | d. | because of the
heat produced by the birds running a "fever," the brooding temperature should actually be
decreased. | | | | |
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| 12. | Which
of the following production practices accounts for over 70% of the British Thermal Unit (BTU) energy
used in poultry production? a. | incubation and hatching | c. | "range" growout of turkeys | b. | breeder
operations | d. | brooding | | | | |
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| 13. | When
using trough-type waterers for marker broiler chicks (fourteen-days until market) a producer should
allow ____ linear inch(es) of waterer space per bird.
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| 14. | When
using 30-pound capacity, hand fill-hanging tube feeders, what is an adequate range of number of
feeders for a market broiler house containing 16,000 broilers? a. | 200-240
feeders | c. | 240-280
feeders | b. | 400-480 feeders | d. | 480-560 feeders | | | | |
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| 15. | Regarding market broiler nutrition and "recommended nutrient levels," which
of the following statements is accurate: a. | The recommended percent protein content level is lowest for a
starter ration. | c. | The recommended
percent calcium (Ca) level is highest for a started ration. | b. | The recommended
kilocalories of metabolizable energy (kcal M.E.) level is highest for a grower
ration. | d. | The recommended
percent added fat level is lowest for a grower ration. | | | | |
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| 16. | Assuming a broiler producer calculated the one-day "minimal consumption" of
feed consumed by her 6-week-old, 18,000-bird flock, which of the following would be most
correct: a. | approximately
2,160 pounds of feed consumed daily | c. | approximately 1,080 pounds of feed consumed
daily | b. | approximately 3,000 pounds of feed consumed
daily | d. | approximately
4,320 pounds of feed consumed daily | | | | |
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| 17. | Which
of the following "reasons for broiler downgrades" accounts for 50%- 60% of those carcasses
that are downgraded? a. | blisters | c. | poor feathering | b. | rejects | d. | bruises | | | | |
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| 18. | The
vaccination schedule for turkeys should be based on the __________ and the incidence and prevalence
of disease in the area. a. | age of the bird | c. | size of the bird | b. | sex of the
bird | d. | severity of
disease | | | | |
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| 19. | In a
turkey breeder operation, 1,000 hens can be expected to produce _____ to ______ hatching eggs per
week. a. | 2,000 to
5,000 | c. | 750 to
1,000 | b. | 4,000 to 6,000 | d. | 6,000 to 7,000 | | | | |
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| 20. | Using
the information you provided to answer question #19, assume a turkey hatchery requires a minimum of
20,000 hatching eggs per week. Assuming a "worst case scenario" and rate of
production per hen is minimal, what size turkey hen breeder flock should be
maintained? a. | 20,000 turkey
hens | c. | 3,334 turkey
hens | b. | 4,000 turkey
hens | d. | 10,000 turkey
hens | | | | |
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| 21. | A
"standard vaccination schedule" for egg-strain pullets, includes vaccinating the pullets
against the various strains of Newcastle disease at: a. | 1-day, 8-weeks,
and 14-weeks of age | c. | 10-days,
5-weeks, and 14-weeks of age | b. | 10-days, 12-weeks, and 14-weeks of
age | d. | 5-weeks,
12-weeks, and 14-weeks of age | | | | |
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| 22. | Pullet body weight measurements during the growing period are important to producing a
ready-to-lay pullet at maturity. When as producer weighs a random sample of 100 pullets,
uniformity of the flock should be such that 80% of the birds weigh within + or - 10% of the mean
weight. Based on this principle, if a flock's mean weight is 2.3 pounds, then 80% of the
pullets should weigh within which range? a. | 1.94 to 2.3 pounds | c. | 4.00 to 4.50 pounds | b. | 2.07 to 2.53
pounds | d. | 3.40 to 3.80
pounds | | | | |
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| 23. | Nearly _____ of all egg-strain pullets in the U.S. are reared in either
"floor" or "cage" brooding systems.
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| 24. | When
diagnosing hatching problems in newly hatched chicks, which of the following conditions may be the
cause of unhealed navels? a. | improper egg storage | c. | high temperatures (day 1 to day 19) | b. | high humidity
(day 20 to day 21) | d. | A, B, and
C | | | | |
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| 25. | A
hatchery ventilation system must ensure that the movement of air is: a. | circular. | c. | in the same
direction as do the eggs (that is, from setters to hatchers). | b. | coming from all
directions simultaneously. | d. | such that the
air supply for the setters is 10 cfm.1,000 eggs. | | | | |
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| 26. | A
poultry carcass weighing 10 pounds with an area of discoloration aggregating to 2 1/4 inches on a leg
portion should receive a USDA Quality Grade of:
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| 27. | "Butterfly" is another name or term for the Ready-To-Cook poultry carcass
part: a. | skinless,
boneless thigh | c. | boneless,
skinless whole breast | b. | boneless, skinless breast half | d. | wishbone | | | | |
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| 28. | For a
broiler hatching egg producer, an "efficiency standard is a dozen settable eggs with ____%
hatchability produced on ________ or fewer pounds of feed." a. | 94-98,
3.0-3.5 | c. | 88,
7.0 | b. | 85,
6.0 | d. | 85,
7.0 | | | | |
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| 29. | A
flock of 5,000 turkey hens were marketed at 16 weeks of age. The average live weight was 13
pounds of bird. The flock had a feed conversion ratio of 2.3 pounds of feed per one pound of
gain. During the growout period, turkey feed had an average cost of $185 per ton. What
was the total feed cost to produce this flock of turkey hens? a. | $14,950 | c. | $65,000 | b. | $13,828.75 | d. | $26,140.50 | | | | |
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