Culture System for Oreochromis niloticus
 Main ref.
 109
 Country
 Philippines
 Name of Farm
 PCARRD, Los BaƱos, Laguna
 Year
 
 Latitude
 
 Altitude (m)
 
 Longitude
 
 Type of culture
 monoculture
 Sex of fish (m)
 mixed sex
 Culture system
 experimental cages
 
 Experiments in cages.
 Production units
 4
 Area (ha)
 0.002
 Depth (m)
 
 Volume3
 
 Main water source
 lake
 Supplemental water source
 
 
Temp (0C)
Salinity
pH
Oxygen (mg/I)
Oxygen (%)
Alkalinity
(mg/I CaCO3)
 Max
 30
 
 9
 8
 
 
 Min
 25.5
 
 6.9
 4.5
 
 
 Mod
 27.5
 
 8
 6.3
 
 
 Description of culture system
 Floating cages (2 x 2 x 1) made of 5 mm mesh polyethylene netting were suspended in 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
 Feed of formulated moist pellet (75% fine rice bran, 25% fish meal (24% crude protein)) was given in suspended trays 2x/day, 6 days/week and adjusted every 2 weeks. Feeding rate = 5% fish body wt/day. Feed conversion = 6.3.
 Production
 Unit cycle
 
 Production period
 120
 Production cycle
 15
 Comments
 
 
Glossary