Reminder on raising conventional fish

In recent years, the market price of traditional farmed fish has remained weak, often approaching cost levels, causing many fish farmers to suffer losses unintentionally. To address this issue, the following practical suggestions are proposed: First, adopting pollution-free aquaculture practices. With the introduction of the pollution-free agricultural product certification system, producing clean and safe aquatic products is gaining more attention from consumers. This shift not only meets growing health concerns but also opens up new market opportunities for farmers. Second, implementing a well-structured stocking plan. In typical fish ponds, wild fish often compete with the main species for food and oxygen. By introducing high-value fish like blackfish in controlled environments, these wild species can be reduced, leading to better economic returns. For example, stocking 30 blackfish per mu (approximately 0.067 hectares) at 100 grams each, with a 70% survival rate, can result in fish weighing 2–3 kg each by the end of the year. At a price of around ¥12 per kilogram, this could generate an additional ¥500 income per mu. Third, improving daily management. As the saying goes, "Three parts raising, seven parts management." Fish farmers should check their ponds regularly—morning, afternoon, and evening—to monitor fish behavior and feeding patterns. During hot weather, rainy days, or low-pressure periods, it's crucial to increase aeration to prevent fish from floating to the surface or dying due to suffocation. As temperatures rise, natural food sources in the pond increase, making water quality management even more important. Freshwater should be added every 10–15 days, and tools, feed areas, and the pond itself should be disinfected regularly. Fourth, managing the market cycle. From May to June each year, the fishing season begins. Selling adult fish during this time ensures better prices and helps reduce overcrowding in the ponds, which benefits both the fish and the overall productivity. Fifth, avoiding trends and focusing on demand. When choosing species to raise, avoid following popular trends blindly. Instead, assess the market and choose species that align with current demand and farm structure. Sixth, embracing new technologies. Prioritize aquaculture innovations with high market potential and technological value. Examples include high-yield stingray farming and immunization techniques for grass carp, which can improve efficiency and profitability. Seventh, integrating grass-based feeding. In intensive pond systems, feed costs account for about 80% of total expenses. By cultivating herbivorous fish that can consume naturally grown vegetation, farmers can cut costs while improving growth rates through a balanced diet. Eighth, large-scale stocking. For certain species such as grass carp, silver carp, and squid, larger fish can be stocked to increase pond output and boost economic returns. Ninth, disease prevention. As the saying goes, "Fish farming isn’t hard, but overstocking leads to problems." Since fish diseases are often difficult to detect early, proactive measures must be taken to prevent outbreaks. Regular monitoring and hygiene practices are essential. Tenth, selecting quality feed. Using high-quality feed not only improves fish health but also enhances the overall quality of the final product, ensuring better marketability and higher profits.

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