White tail disease in giant freshwater prawns is a viral disease that causes high mortality rates and significantly impacts the economic well-being of prawn farmers. Currently, there is no effective treatment for this disease, therefore, prevention is extremely important.
Below are some effective measures to prevent white tail disease in giant freshwater prawns:
1. Use healthy broodstock:
- Choose reputable hatcheries with complete quarantine procedures.
- Carefully inspect broodstock before purchasing, ensuring there are no signs of disease.
2. Prepare the pond:
- Thoroughly renovate the pond, remove bottom mud, eliminate unwanted organisms, and disinfect the pond with substances such as iodine, BKC, etc.
- Dry the pond in strong sunlight for at least 10 days to kill pathogens.
- Apply organic fertilizer to the pond to create a natural food source for the prawns.
3. Manage the water environment:
- Supply clean water to the pond; do not use polluted water sources.
- Monitor water environmental factors such as pH, salinity, dissolved oxygen, etc., regularly and adjust them promptly as needed.
- Use biological products to treat pond water and reduce environmental pollution.
4. Proper feeding:
- Provide shrimp with adequate nutrition; the feed must be of good quality and free from mold.
- Feed at the right time and in the right amount, avoiding excess feed that pollutes the water environment.
5. Monitoring shrimp health:
- Regularly observe shrimp to detect early signs of disease.
- When sick shrimp are detected, report immediately to the authorities and take timely remedial measures.
6. Applying other disease prevention measures:
- Clean farming equipment after each farming cycle.
- Vaccinate shrimp to strengthen their resistance.
- Use disease prevention support products according to the manufacturer’s instructions.
