True/False
Indicate whether the
statement is true or false.
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1.
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Grains are generally lower in
TDN than roughage.
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2.
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Bovine somatotroin (BST) is a
synthetic (man-made) growth hormone analog that when administered properly, will enhance milk
production.
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3.
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As a part of the linear
classification program, cows in the herd will be evaluated for 17 functional or linear
traits.
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4.
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In the Linear Classification
System, average final score varies by age, i.e., olders cows score higher on average than
two-years-olds. Breed Age Average (BAA) allows you to compare the scores of cows of different
ages.
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5.
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Government at national, state,
and local levels influence the dairy enterprise.
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6.
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The American Milking Shortorn
is considered a dual-purpose breed as is the Brown Swiss breed.
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7.
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Registered breeds are those
animals that are the results of mating a registered bull with a native cow or one of mixed
breeding.
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Multiple Choice
Identify the choice that
best completes the statement or answers the question.
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8.
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Feed costs generally account
for ______ if the cost of producing milk.
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9.
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The ruminant digestive system
consists of four compartments that make up the stomach and the large and small intestine. Which of
the following is not a compartment of the ruminant stomach?
a. | Abmosum | b. | Reticulum | c. | Omasum | d. | Esophagus |
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10.
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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 | b. | 89 pounds
| c. | 20 pounds
| d. | 80
pounds |
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11.
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The public views chemical
residues as the leading food safety health threat. However, scientific experts rank ______ as the
number one potential risk to public health.
a. | drug residues
(antibiotics) | c. | pathogenic
microorganisms | b. | hormones | d. | mycotoxins |
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12.
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Rear udder height is an
indicator of:
a. | General good
health | b. | Ease in which the cow could deliver a calf | c. | Udder capacity | d. | Mobility and
longevity |
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13.
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Achange in routine such as a
wide variation in milking time or strangers in the milking area:
a. | will increase milk
production | c. | can reduce milk
production | b. | will increase feed consumption | d. | all of these are correct |
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14.
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A characteristic that is not
representative of the Brown Swiss breed is:
a. | Solid brown in color, ranging from
light to dark | b. | Bulls are used in beef crossbreeding programs
| c. | Average 8.1%
milkfat | d. | Are longest lived of the dairy
breeds |
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15.
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The dairy breed that makes up
about 90% of all dairy cattle in the U.S. is:
a. | Jersey | b. | Holstein | c. | Guernsey | d. | Ayrshire |
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16.
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The smallest dairy breed
is:
a. | Holstein | b. | Hereford | c. | Guernsey | d. | Jersey |
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17.
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The breed that ranks first in
percent milkfat is:
a. | Angus X Jersey
Cross | c. | Jersey
| b. | Milking
Shorthorn | d. | Guernsey |
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18.
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A disease caused by a
nutritional disorder is:
a. | Ketosis | b. | Mastitis | c. | Blackleg | d. | Metritis |
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19.
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Infection in a cow’s
uterus after calving is called:
a. | IBR | b. | Milking fever | c. | Mastitis | d. | Metritis |
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20.
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Feeding a ration that does not
have the correct calcium-phosphorus ratio can cause:
a. | Pinkeye
| c. | Milk
fever | b. | BVD | d. | Displaced
abomasum |
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21.
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Overfeeding silage and
especially grain before calving could cause:
a. | Vitamin A
deficiency | c. | Retained
placenta | b. | Internal parasites | d. | Displaced abomasum |
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22.
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The most serious disease that
affects dairy cattle is:
a. | Retained
placenta | c. | Milk
fever | b. | Mastitis | d. | Metritis |
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23.
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Solid state backflushing units,
which are now available in milking parlors can help prevent the spread of:
a. | Footrot | c. | Mastitis | b. | Overeating disease | d. | Milk fever |
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24.
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If an animal is extremely sick
the dairymen should:
a. | Double-dose the recommended
antibiotic | b. | Use a longer needle to reach more tissue | c. | Feed a low- level antibiotic
| d. | Immediately call his veterian
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25.
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A test used to detect high
somatic cell counts is called:
a. | The UGA Mastitis Test
| c. | California Mastitis Test
| b. | Blood analysis
| d. | all of these are
correct |
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