WorksheetsLive Feed Culture
Total questions: 10
Worksheet time: 5mins
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
