After the fall, the water temperature begins to decrease, and fish feeding activity gradually slows down. However, this period is actually the golden season for fish growth, and it's crucial to implement proper management practices. Here are some key points to focus on:
First, enhance the feeding of high-quality bait. During this time, concentrate on feeding with formulated feed that is rich in nutrients, especially for bottom-feeding fish. It's important to mix fine and coarse materials to ensure a balanced diet and full nutritional value. For example, grass carp should be fed fresh grass, bluefish require silage or similar materials, and common carp and silver carp should be given appropriate fertilizers to support their growth.
Second, manage water quality effectively. Water should be added 4 to 5 times a month, with each addition being 5% to 10% of the pond volume. Lime should be sprinkled every half a month at a rate of about 20 kilograms per acre to maintain optimal pH levels and improve water clarity.
Third, start harvesting some fish that have reached marketable size. As the season progresses, more organic matter accumulates at the bottom of the pond, increasing the risk of poor water quality during heavy rains. Therefore, it’s important to monitor and prevent flooding by ensuring proper drainage systems are in place.
Lastly, disease prevention is critical after the fall, as fish are more prone to diseases like bacterial infections and enteritis. In practice, local farmers have successfully used a mixture of vegetable oil and ginger to treat these conditions. The following formula is recommended: 750 grams of vegetable oil and 250 grams of ginger per acre. Heat the oil in a pan, add the chopped ginger, and simmer for 20 minutes. Then transfer the mixture into a bucket, add some water, and stir thoroughly. This solution can be spread evenly across the pond, with extra attention to areas near feeding stations. Apply once daily or every other day, and repeat twice a day if necessary. When using this treatment, choose a sunny day and change part of the water after five days to maintain good pond health.
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