Live Feed Culture

Which of the following factor is superior in live feed when compared with artificial feed.

• Quality

• Availability

• Acceptance

• Cost

Live feed is essential at which phase of aquaculture?

• On-growing phase

• Broodstock management

• Nursery phase

• Larval rearing phase

Which of the following is a common problem associated with exogenous feeding of larvae in aquaculture?

• Adequate mouth size

• Under developed digestive system

• High digestibility capabilities

• Advanced digestive system

One problem associated with collection of live feed from natural waters include

• Uncertainty in quality of live feed

• Small quantity of live feed available

• Contamination of live feed from natural waters

• Activity can only be done in small scale

The considerable attention towards the culturing of brine shrimp is largely resulting from?

• Expansion in ornamental aquaculture

• Expansion of the shellfish aquaculture sector

• Exapansion in marine finfish hatchery

• Expansion in crustacean hatchery

Which of the following is the preferred salinity levels for brine shrimp culture?

• 25 - 30 PPT

• 26 - 30 PPT

• 27 - 30 PPT

• 28 - 30 PPT

Which of the following is used for harvesting brine shrimp?

• 123µm screen net

• 125µm screen net

• 124µm screen net

• 126µm screen net

Which of the following is NOT a reason for washing harvested brine shrimp nauplii?

• Prevent bacteria buildup in larval tank

• Prevent presence of hatching metabolites in larval tank

• Reduce glycerol contamination in larval tank

• Reduce amino acid contamination in larval tank

Which of the following can improve hatching rate of brine shrimp cysts?

• Recapsulation

• Decapsulation

• Decapitation

• Rehydration

Which of the following is the ideal temperature range for storage of hatched brine shrimp?

• 0-4ºC

• 0-5ºC

• 1-4ºC

• 1-5ºC