Multiple Choice
Identify the choice that
best completes the statement or answers the question.
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1.
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Which dry period length will
maximize production in the following lactation?
a. | 60-day | b. | 45-day | c. | 30-day | d. | none |
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2.
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Nitrogen is a major
consideration for most dairy nutritionists. What is the primary way it is added to the
ration?
a. | Water | c. | Corn Silage | b. | Crude Protein | d. | As an added mineral |
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3.
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Which of these is an animal
welfare challenge the dairy industry is facing?
a. | Dehorning | c. | Tail Docking | b. | Lameness | d. | All of these are correct |
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4.
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Which breed, on average, has
the least amount of calving difficulty?
a. | Brown
Swiss | b. | Holstein | c. | Jersey | d. | Red & White |
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5.
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When should cows treated with
antibiotics be milked?
a. | First | c. | Between milker shifts | b. | In their normal groups | d. | Last |
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6.
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Soybean meal is commonly added
to calf starters for what purpose?
a. | Energy | c. | Protein | b. | Fiber | d. | None of these are correct |
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7.
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Acidosis typically affects
which of a cow’s four stomachs?
a. | Rumen | b. | Reticulum | c. | Omasum | d. | Abomasum |
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8.
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Cows that aren’t cycling
properly from a reproductive standpoint are called what?
a. | Cystic | b. | Ketotic | c. | Mastitic | d. | P1 carrier |
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9.
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Sexed semen is best used on
virgin heifers. How many times should you breed them with it before trying something
else?
a. | Once | c. | Three times | b. | Twice | d. | Until they are bred |
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10.
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A rise in somatic cell counts
normally indicates what infection?
a. | BVD | c. | Displaced Abomasum | b. | Fatty Liver | d. | Mastitis |
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11.
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Calves need to be fed how much
colostrum within their first 12 hours?
a. | One
quart | b. | Two
quarts | c. | Four
quarts | d. | Two
gallons |
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12.
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Which of these is the largest
cooperative in he U.S.?
a. | California
Dairies | c. | Dairy Farmers of
America | b. | Maryland & Virginia Milk Producers | d. | Land O’ Lakes |
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13.
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How long must teat dip be left
on before milking to provide an effective bacteria kill?
a. | 10
seconds | b. | 30
seconds | c. | 60
seconds | d. | Two
minutes |
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14.
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What is it called when a
cow’s ph drops below 5.8?
a. | Bloat | b. | Milk Fever | c. | Acidosis | d. | Ketosis |
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15.
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For making baleage, how soon
after bailing should round bales be wrapped?
a. | Within two
hours | c. | Within 24
hours | b. | Within 12 hours | d. | Within 48 hours |
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16.
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Dry matter is the amount of
feed left after what is removed?
a. | Lignin | b. | Vitamins | c. | Water | d. | Long particles |
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17.
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How much should be removed from
a bunker silo face each day in the summer to prevent spoilage?
a. | Two
inches | b. | Six
inches | c. | 12inches | d. | Two feet |
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