The whole year management of Chengyu aquaculture

January is the coldest month of the year, with low water temperatures that significantly affect carp feeding behavior. During this time, the appetite of the fish is reduced, so feeding should be scheduled at midday when the sun is strongest. It's also important to perform necessary preventive treatments during feeding to boost the immune system of the carp. If possible, partial water exchange from the bottom should be carried out to avoid the accumulation of harmful substances. Regular disinfection and sterilization are essential, and special attention must be given to preventing diseases like water mold and white spot disease. February follows a similar management approach, but water quality can change more easily this month. Efforts should focus on maintaining good water conditions and strengthening internal medicine to prevent liver and kidney diseases in carp. A small, repeated water exchange is recommended to avoid the growth of harmful bacteria as temperatures begin to rise. By March, the weather starts to warm up, and water temperature increases. This leads to increased feeding activity and more waste, which can quickly degrade water quality. At this stage, it's crucial to monitor and improve water quality to prevent issues such as liver disease, kidney problems, and gill rot. In April, the water temperature typically reaches around 20°C. After a long period of cold, harmful bacteria and parasites become more active, posing a threat to the health of the fish. Water quality improvement should be intensified, along with appropriate bactericidal and pest control measures. Preparations for new fry should also begin during this time. May brings higher temperatures and increased feeding, leading to rapid growth in carp. However, this is also a high-risk period for diseases such as red fin disease, gill disease, ringworm, and trichoderma. Water quality needs constant monitoring and adjustment, especially since temperatures remain unstable. Microbial preparations or controlled water changes can help maintain balance. June sees more stable water temperatures, and squid (or carp) start eating more. Feeding amounts must be carefully managed to avoid overfeeding, which can lead to oxygen depletion or disease. Increasing the water level helps maintain a healthy environment. Gill disease prevention and internal medicine support are critical during this phase. July brings even warmer temperatures, and squid consume more food. The pool should be filled to maximum levels, and more aerators should be used to manage oxygen levels. Feeding should be controlled to prevent digestive issues. Water quality regulation remains key, and attention should be given to preventing red fin and gill diseases. August continues with high temperatures, requiring careful feeding schedules—morning and evening feedings are ideal. Bacterial growth accelerates, so regular water quality checks and adjustments are necessary to prevent diseases like red fin disease. September marks the beginning of cooler weather, and water temperature drops. Plankton populations and water color may change, so water quality regulation and proper top-dressing are essential. This is also a time when diseases like red fin, gill, ringworm, and trichoderma are common. Adding vitamins to the feed can help strengthen the fish’s immunity. October is a period of rapid growth for squid, with fewer diseases. Focus should be on parasite prevention, water quality maintenance, and improving feed nutrition. Some internal medications may be used to enhance overall health and prepare for winter. November sees continued cooling, and water quality becomes more stable. Deepening the water level helps insulate the pond. Depending on weather and temperature, some feeds and internal medicines can be added to support immunity and prevent diseases like water mold and white spot. December brings very cold temperatures, and if the water drops below 11°C, carp will stop eating. Frost damage and water mold can be fatal, so precautions must be taken to protect the fish and ensure survival through the winter.

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