Culture System for Oreochromis niloticus
 Main ref.
 109
 Country
 Philippines
 Name of Farm
 Aya Reservoir, Nueva Ecija
 Year
 
 Latitude
 
 Altitude (m)
 
 Longitude
 
 Type of culture
 monoculture
 Sex of fish (m)
 mixed sex
 Culture system
 experimental cages
 
 Cages in Aya Reservoir
 Production units
 2
 Area (ha)
 0.001
 Depth (m)
 
 Volume3
 
 Main water source
 reservoir
 Supplemental water source
 
 
Temp (0C)
Salinity
pH
Oxygen (mg/I)
Oxygen (%)
Alkalinity
(mg/I CaCO3)
 Max
 32
 
 8
 8
 
 
 Min
 26
 
 
 6
 
 
 Mod
 29
 
 
 7
 
 
 Description of culture system
 The floating cages used were made of 20 mm mesh polyethylene netting, measured 2 x 2 x 1 m each and suspended from bamboo rafts.
 Nutrient inputs
 Main food
 only added feed
 Feed quantity
 
 (% BW/D):
 
 Feed quality (% crued protein)
 
 Fertilizer input (N)
 
                        (P)
 
 Description of Nutrient input
 Fine rice bran made of 12% crude protein was given as feed in feeding trays (2 x 1 x 0.5 m) suspended in the cages. Feeding rate is 5% fish body wt/day, 2x/day, 6 days a week and adjusted every 2 weeks.
 Production
 Unit cycle
 
 Production period
 60
 Production cycle
 14
 Comments
 
 
Glossary