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.
|
|
| 2. | 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 | | |
|
|
| 3. | Grains are generally lower in TDN than roughage.
|
|
| 4. | 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 | | | | |
|
|
| 5. | 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 | | | | |
|
|
| 6. | Bovine somatotropin (BST) is a synthetic (man-made) growth hormone analog that when
administered properly, will enhance milk production.
|
|
| 7. | As a
part of the linear classification program, cows in the herd will be evaluated for 17 functional or
linear traits.
|
|
| 8. | 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 | | |
|
|
| 9. | In
the Linear Classification System, average final score varies by age, i.e., olders cows score higher
on average than two-year-olds. Breed Age Average (BAA) allows you to compare the scores of cows
of different ages.
|
|
| 10. | A
change 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 the above | | | | |
|
|
| 11. | Government at national, state, and local levels influence the dairy
enterprise.
|
|
| 12. | The
American Milking Shorthorn is considered a dual-purpose breed as is the Brown Swiss
breed.
|
|
| 13. | Registered breeds are those animals that are the result of mating a registered bull
with a native cow or one of mixed breeding.
|
|
| 14. | 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 | | |
|
|
| 15. | The
dairy breed that makes up about 90% of all dairy cattle in the U.S. is: a. | Jersey | c. | Guernsey | b. | Holstein | d. | Ayrshire | | | | |
|
|
| 16. | The
smallest dairy breed is: a. | Holstein | c. | Guernsey | b. | Hereford | d. | Jersey | | | | |
|
|
| 17. | The
breed that ranks first in percent milkfat is: a. | Angus X Jersey Cross | c. | Jersey | b. | Milking
Shorthorn | d. | Guernsey | | | | |
|
|
| 18. | A
disease caused by a nutritional disorder is: a. | Ketosis | c. | Blackleg | b. | Mastitis | d. | Metritis | | | | |
|
|
| 19. | Infection in a cow’s uterus after calving is called: a. | IBR | c. | Mastitis | b. | Milk fever | d. | Metritis | | | | |
|
|
| 20. | Feeding a ration that does not have the correct calcium-phosphorus ratio can
cause: a. | Pinkeye | c. | Milk
fever | b. | BVD | d. | Displaced abomasum | | | | |
|
|
| 21. | Overfeeding silage and especially grain before calving could cause: a. | Vitamin A
deficiency | c. | Retained
placenta | b. | Internal parasites | d. | Displaced abomasum | | | | |
|
|
| 22. | The
most serious disease that affects dairy cattle is: a. | Retained
placenta | c. | Milk
fever | b. | Mastitis | d. | Metritis | | | | |
|
|
| 23. | 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 | | | | |
|
|
| 24. | 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 veterinarian | | |
|
|
| 25. | 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 the above | | | | |
|