Seabass (Lates calcarifer) Farming Techniques
Culture Systems
- Pond Culture: 0.5-1 hectare ponds, 1.5m depth
- Cage Culture: 4×4×3m cages in estuaries
- Stocking Density: 3-5 fingerlings/m² (ponds), 15-20/m³ (cages)
Feeding Management
| Size Range | Feed Type | Frequency |
|---|
| 1-5g | 50% protein | 4x/day |
| 5-100g | 45% protein | 3x/day |
| 100g+ | 40% protein | 2x/day |
Water Quality Parameters
| Parameter | Optimal Range |
|---|
| Salinity | 10-30 ppt |
| Temperature | 28-32°C |
| Dissolved Oxygen | >5 mg/L |
| pH | 7.5-8.5 |
Production Cycle
- Nursery: 30 days (1-5g size)
- Grow-out: 8-10 months
- Harvest Size: 600-800g (domestic), 1.2-1.5kg (export)
- Survival Rate: 70-80%
Health Management
Common Diseases
- Vibriosis (antibiotic treatment)
- Parasitic infections (formalin bath)
- Nutritional deficiencies (vitamin supplements)
Prevention
- Regular water exchange (10-15%/day)
- Probiotic application
- Vaccination available for vibriosis
