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I. Multiple Choice: Direction: Read each item carefully. Choose the letter most appropriate for each of the given statement. Write the correct letter in the blank. 1. Involve preparation of the pond and management procedure in feeding maintaining water level and water quality. a. water supply b. pond d. grow-out culture c. soil 2. It is one of the first things to consider in poultry raising. a. selection of stock b. egg c. chicken d. raising 3. It is the bred for meat product. b. poultry c. broilers d. stock a. egg 4. It is produce by female chickens without mating with a rooster c. fertile egg b. high egg a. egg d. table egg 5. It is produced by hen that are raised with rooster. a..egg b. high egg c. fertile egg d. table egg 6. This is made up of the fish nets designed like an open box. b. tank d. Pond a. cage c. net 7. Refers to the dissolved salt content of a body of water. a. salinity b. oxygen c. ammonia d. turbidity 8. this is the primary factor for the success for the success or failure of any aquaculture operation. a. temperature b. oxygen c. quality of water d. salt 9. First discovered in East Java so it is sometimes called Java Tilapia a. Nile tilapia b. tilapia Aurea c. redbelly tilapia d. Mozambique tilapia 10. This tilapia is discovered in Nile River. a.. Nile tilapia b. tilapia Aurea c. redbelly tilapia d. Mozambique tilapia 11. This is refer to the removal of the least or non-productive members of the flock. a. culling b. selection d. layer c. brood b. family selection 12. This refers to the performance or appearance of a specific family or breed. a. blood group family c. pedigree selection 13. Means to single out of birds based on its physical appearance. a. blood group family b. family selection c. pedigree selection 14. This method refers to the records of individual heredity. b. family selection c. pedigree selection a. blood group family 15. This method is still in the process or research, involves blood sampling. a. blood group family b. family selection c. pedigree selection d. mass selection d. mass selection d. mass selection d. mass selection​

Sagot :

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Answer:

1. Water is essential for the life of fish. It is the medium that must supply or support all their needs, including breathing, eating, reproducing and growing.

2. In a previous manual (Water, FAO Training Series, 4) you learned:

where water comes from and where it goes;

which water to use to fill your ponds;

and how much water you will require.

3. Here you will learn a bit more about water itself, and about the main physical and chemical characteristics that are important for the production of fish in earthen ponds (see Sections 2.2 to 2.5).

4. Once you know your water well, you will understand more easily how to control its quality and, if necessary, improve it through good pond management practices (see Sections 2.6 to 2.9).

Where water comes from and where water goes

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