Main ref. | 109 | ||
Country | Philippines |
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Name of Farm | PCARRD, Los BaƱos, Laguna |
Year |
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Latitude |
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Altitude (m) |
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Longitude | |||
Type of culture | monoculture |
Sex (m) |
mixed sex |
Culture system | experimental cages |
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Floating cages used. |
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Production units | 4 |
Area (ha) |
0.002 |
Depth (m) | Volume3 |
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Main water source | lake |
Supplemental water source |
Temp (0C) |
Salinity |
pH |
Oxygen (mg/I) |
Oxygen (%) |
Alkalinity (mg/I CaCO3) |
|
Max |
30 |
9 |
8 |
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Min |
25.5 |
6.9 |
4.5 |
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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): |
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Feed quality (% crued protein) |
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Fertilizer input (N) |
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(P) |
Description of Nutrient input |
Feed is made up of fine rice bran given in suspended trays 2x/day, 6 days/week and adjusted every 2 weeks. Feeding rate = 5% fish body wt/day. Feed conversion = 4.7. |
Production |
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Unit cycle | |
Production period | 120 |
Production cycle | 16 |
Comments |