On March 6th, the expert group of Binhai County, Yancheng City, Jiangsu Province came to Demonstration households of the Wanghe good Chinese sturgeon breeding pond mouth in Zhangtan Township to guide the spring production. According to reports, he established the Binhai County Cloud Aquaculture Specialized Cooperative in December last year to engage in breeding and breeding Chinese sturgeon. Currently, it has invested 15 million yuan to build a standard 120 acres of Dianchi, and cultivate 25,000 species of seedlings, about 40,000. About 125,000 kilograms of kilograms will be grown. This year, 1.2 million cubs will be planned to be cultivated. It is estimated that the annual output value will be 60 million yuan, and the profit will be 12 million yuan, which will drive 100 farmers to increase their incomes. For the status of adult breeding, the experts made the following suggestions:
Water temperature control: The water temperature of 20 °C to 30 °C is the best temperature range for the growth of Chinese sturgeon. When the water temperature is higher than 20 °C, the Chinese sturgeon begins to feed. The food intake increases with the increase of water temperature. When the water temperature is lower than the optimal temperature, the feed conversion rate will decrease; when the water temperature is higher than the optimal temperature, the feed conversion rate will also decrease due to the increase of the activity amount, so the water temperature should be kept within the optimal temperature range, too high, too low It will cause feed wastage.
Water quality regulation: Chinese sturgeons are happy to fear the dirty, water quality control determines the success or failure of farming. Oxygen can be selected within a fixed period of time to make the Chinese sturgeon form a habit, reduce the disturbing effect of oxygenation on Chinese sturgeon, reduce the content of harmful gases and harmful organic matter in the water, and rational use of microbial agents can save water quality control and other aspects. The investment; regular discharge is an effective means of controlling water quality, changing the water is the most direct way to regulate water quality, changing the water should be based on water quality decisions to change the amount of water.
Feeding: Feeding methods of feedstuffs and the quality of the selected feedstuffs are adjusted according to changes in temperature and water temperature and the use of drugs. In general, soft pellet feeds are fed underwater, and Chinese sturgeons grow too fast during excessive feeding. It is easy to increase or overload the physiological load of Chinese sturgeon, causing damage to internal organs of Chinese sturgeon and induce visceral diseases. Therefore, control should be finished within 30 minutes.
Disease control: Insects should be disinfected before entering the pool. Soak in the vaccination with 2% salt solution for 30 minutes before entering the pool. Prevent mycosis before Chinese sturgeon weighs 50 grams. At this stage, we should strengthen the physique of juveniles and avoid mechanical damage; when Chinese sturgeon weighs 50g-150g, we must guard against the occurrence of white spot disease; daily disinfection should be based on bromochlorinated preparations; body weight 50g should be cultivated to prevent acne disease. Mainly.
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