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Culture System for Chanos chanos
 Main ref.
 138
 Country
 Philippines
 Name of Farm
 SEAFDEC, AQD, Leganes Research Station
 Year
 1979
 Latitude
 
 Altitude (m)
 
 Longitude
 
 Type of culture
 monoculture
 Sex of fish (m)
 mixed sex
 Culture system
 experimental ponds
 
 Experiments done in ponds
 Production units
 3
 Area (ha)
 0.15
 Depth (m)
 
 Volumeł
 
 Main water source
 estuary
 Supplemental water source
 rainfall
 
Temp (°C)
Salinity
pH
Oxygen (mg/I)
Oxygen (%)
Alkalinity
(mg/I CaCO3)
 Max
 34.6
 45
 8.3
 6.4
 
 
 Min
 24
 22
 6.9
 3.2
 
 
 Mod
 29.3
 33.5
 7.6
 4.8
 
 
 Description of culture system
 Ponds were initially applied with chicken dung at 2 tonnes/ha and inorganic fertilizer (16-20-0 NPK) at 50 kg/ha for lablab growth. 16-20-0 was applied at 25 kg/ha every 2 weeks, thereafter. Water level was maintained at 60 cm.
 Nutrient inputs
 Main food
 in-situ production
 Feed quantity
 
 (% BW/D):
 
 Feed quality (% crued protein)
 
 Fertilizer input (N)
 
                        (P)
 
 Description of Nutrient input
 No supplementary food was given. The fish were dependent on the production of natural food in the pond. Stomach analysis showed the fish fed on diatoms, bluegreen algae, filamentous algae and some zooplankton.
 Production
 Unit cycle
 
 Production period
 120
 Production cycle
 32
 Comments
 
Entered by :   Luna, Susan M. - 1990-10-19     Modified by :  Froese, Rainer - 1994-10-07    
 
Glossary
cfm script by eagbayani, 05.09.99 ,  php script by celloran, 12.10.07 ,  last modified by cmilitante, 31/08/2011