Choose the right time: It's best to conduct the fishing during stable weather conditions, when it's relatively cool and the fish are not floating near the surface. The ideal time is usually from midnight until dawn, which allows for timely delivery of fresh fish to the morning market.
Prepare before catching: Ensure that experienced workers are on site and that roles are clearly assigned and well-coordinated. Clear the water surface of any debris or weeds, and make sure all necessary tools—such as nets, buckets, and aeration systems—are ready. Also, establish contact with buyers or sales channels in advance to ensure a smooth process.
Careful operation: Once the fish are concentrated, they should be quickly and efficiently moved back into the holding pool. Avoid overloading the net at once, and maintain a steady, fast, and precise movement. Never use harmful methods like electric fishing or overfishing, as this can damage the stock and affect future catches.
Post-harvest treatment: After the harvest, the organic matter in the water increases due to the disturbed sludge at the bottom of the tank. To prevent water quality issues, it's essential to add fresh water or activate the aerator. Additionally, disinfect the pond every other day using approved disinfectants to maintain a healthy environment for the remaining fish.
Special Note: Pay close attention to temperature and water quality. Sudden changes in temperature can stress aquatic animals, leading to disease or even death. Monitor the water temperature regularly and adjust aeration or water exchange accordingly to keep the environment stable and suitable for the fish. Always handle the fish gently to minimize stress and ensure their survival after harvesting.
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