| Main ref. | 104 | ||
| Country | Saudi Arabia |
||
| Name of Farm | KACST Fish Culture Project, Riyadh |
Year |
1986 |
| Latitude |
|
Altitude (m) |
|
| Longitude | |||
| Type of culture | monoculture |
Sex of fish (m) |
mixed sex |
| Culture system | experimental static tanks |
||
With pumped drainage H2O |
|||
| Production units | 2 |
Area (ha) |
0.001 |
| Depth (m) | Volume3 |
||
| Main water source | sewage |
Supplemental water source |
|
Temp (0C) |
Salinity |
pH |
Oxygen (mg/I) |
Oxygen (%) |
Alkalinity (mg/I CaCO3) |
|
Max |
31.8 |
3.9 |
7.3 |
6.1 |
285 |
|
Min |
28.5 |
3.5 |
6.8 |
4 |
233 |
|
Mod |
30.2 |
3.7 |
7.1 |
5.1 |
259 |
Description of culture system |
Drainage water was pumped directly in the tanks. A flow-through system was maintained with a flow-rate of 1l/min/kg which is adjusted every two weeks. |
Nutrient inputs |
|
Main food |
only added feed |
Feed quantity |
|
(% BW/D): |
|
Feed quality (% crued protein) |
|
Fertilizer input (N) |
|
(P) |
|
Description of Nutrient input |
A commercial feed with 34.2% dietary protein was fed to the fish at 3% body weight per day. Feeding was daily for the initial 4 weeks and rate was subsequently adjusted according to new biomass. |
Production |
|
| Unit cycle | |
| Production period | 164 |
| Production cycle | 4 |
Comments |