As winter approaches, the focus of fishery production is gradually shifting. Grasping the technical management of aquaculture in winter is the foundation for the harvest of fishery production in the coming year. It is recommended that the majority of fishery technology demonstration households take the following measures to do a good job in winter fishery production management.

First, early stocking of fish species will enable fish to adapt to a new living environment earlier, eat earlier, grow early, and relatively prolong the growth period. Generally from the winter solstice to the beginning of spring is the best period for stocking fish, because during this time the temperature and water temperature is relatively low, the scales of the fish close, fishing and stocking operation is not easy to damage the fish, can reduce the incidence of fish species and mortality. The fish species should be selected to be carried out on a sunny or cloudy day when the temperature is not too low. It is easy to freeze the fish body due to the low temperature of the rainy days or the freezing of snow and windy weather. It is not suitable for stocking.

Second, timely fishing to meet the listing requirements of the aquatic products. With the decrease of water temperature, most of the aquatic products reach the catch-up quotation. We must start timely arrests, seize the time to market, accelerate capital turnover, and raise the efficiency of breeding.

Third, do a good job in fishery production. Focus on the production of Tangkou, analysis of the benefits, the "Science and Technology Demonstration Households Manual" and other data collection and other work, sum up experience, do a good job of application and promotion of new technologies.

Fourth, rational feeding, improve resistance to disease. In the cold winter, when the water temperature is above 5°C, it is usually fed once every 3-5 days. The daily dosage is 1.0% of the fish's body weight, supplements the fish nutrition, and improves the survival rate.

Fifth, strengthen the management of wintering seedlings. Seedlings are the basis for fishery production in the coming year. For the eel fry and eel fry overwintering ponds, the first is to invest in enough plants to keep the coverage stable at more than 60%; second, to add enough pond water to keep the water stable at 1.8-2.0 meters, so as to improve Water temperature ensures safe wintering of seedlings.

Sixth, strengthen daily management. As the saying goes, "three points of stocking and seven points of management." During the wintering period, the disease resistance of fish decreased significantly. It is necessary to do a good job in daily management of pond wintering period. Every morning, evening and evening, the ponds are inspected once. Observe the changes in pond water color and fish activity, find problems and deal with them in time. In short, as long as the management of a pond water, will be able to raise a pond fish.

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