Warm shed fish winter tube three points
2025-07-15 11:28:23
In winter, many fish species that have survived in natural environments stop feeding, while those raised in greenhouses require more careful management. Here are the three key aspects of winter fish farming:
1. Enhance greenhouse fish care. Currently, the main species being farmed include tilapia, bearded seabream, and freshwater whitefish. When raising tilapia, it's crucial to maintain stable water temperatures and ensure good water quality to prevent frostbite on the head, which can lead to sales issues. Regular use of chlorine dioxide for disinfection is recommended, along with high-protein, balanced feed pellets. Bearded seabream are relatively easy to raise, and water quality management is straightforward. Chlorine dioxide is commonly used for sterilization, but special attention should be given to preventing skin diseases. When feeding animal by-products like chicken intestines, it's important to keep the feed fresh and properly handled. The basic principles for raising freshwater whitefish and tilapia are similar, but there are two key differences: organic phosphorus drugs are strictly prohibited, and vitamin supplementation is essential for freshwater whitefish. Some fresh leaves can also be added to the corners of the water to support their nutrition.
2. Monitor market prices. Currently, many agricultural products are returning to normal pricing levels, but freshwater fish remain relatively cheap. This is largely due to supply and demand dynamics. However, as other livestock and poultry prices recover and the New Year approaches, commercial fish prices are expected to rise. Farmers with sufficient financial resources may not need to rush to sell their fish immediately.
3. Focus on fingerling management. Winter is an ideal time for raising fingerlings because low temperatures reduce the risk of disease and injuries caused by tight scales. However, if a fish gets injured, it is more susceptible to bacterial infections such as gill rot. To prevent this, adding salt to the water can help. Scientific studies have shown that when grass carp are vaccinated and raised alongside other species, it significantly reduces the likelihood of future outbreaks of grass carp disease. It's also important to avoid using banned substances like malachite green.
By following these strategies, fish farmers can better manage their operations during the colder months and improve overall productivity and profitability.
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