Marine Aquaculture Exam 2

Marine Aquaculture Exam 3
July 11, 2001

Name: _____________________

Group: ______________________________

1. Diseases are caused by:

A. parasites B. bacteria C. viruses D. fungi E. all of these

2. Non-infectious diseases are caused by:

A. nutritional deficiencies B. virus C. bacteria D. water quality

E. all of these F. nutritional and water quality

3. Severe form of bacteria in the blood and organs of an animal is called?

A. leukemia B. septicemia C. anemia D. bacteremia

4. Accumulation of fluid in the body is called:

A. exophthalmia B. neoplasia C. ascites D. none of these

5. A type of disease that is present at all times is?

A. facultative B. obligate C. non-facultative D. non-obligate

E. none of the above F. facultative and non-obligate G. obligate and non-facultative

6. The bacterium causing the MOST disease in marine animals is:

A. Cryptocaryon B. Vibrio C. Aeromonas D. Streptococcus

7. Factors to know before treatment are: water, chemical, fish, and disease. I

True False

8. Treatment that is inexpensive and requires no handling of the fish is:

A. topical B. injection C. indefinite D. dip

9. Antibiotics approved to treat fish diseases are:

A. Romet B. Terramycin C. MS-222 D. all of these

E. Romet and Terramycin F. Romet and MS-222

10. Parasites may be identified and classified by visual observation.

True False

11. Explain what you would do first if you were given an unknown species of fish and asked for develop a feed formulation.

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12. Give three reasons why fish are more efficient to grow than warm-blooded animals.

a. ________________________

b. _______________________

c. ________________________

13. Fish have a very good metabolic ability to use carbohydrates for energy.

True False

14. In general fish retain what percent of protein (Nitrogen) they consume?

A. 10% B. 20% C. 30% D. 40%

15. In general fish excrete what percent of the phosphorus they consume?

A. 48% B. 58% C. 68% D. 78%

16. Define freeboard.

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17. Please identify three types of ponds and explain their purpose.

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18. Name three primary components of a water recirculating system.

a. _______________________________________________________

b. _______________________________________________________

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19. In cage culture you can produce more pounds per acre than you can in open pond culture.

True False

20. List 5 ways to assess salmon egg quality.

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21. In raceway culture the best water quality is at the end of the raceway.

True False

22. Explain the potential advantages of open ocean aquaculture.

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23. Explain the disadvantages of open ocean aquaculture.

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24. You and 30 other applicants are seeking a job managing a fish farm in southern Alabama. Please explain why you think you will be their best choice.

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