First, the management measures before sealing (pool water temperature greater than 14 °C) 1. Feeding Management (Fattening Management) (1) Select the appropriate type of bait, such as low value shellfish, small yellow croaker, plum baby fish, silkworm cocoon, etc., to strengthen the cultivation, increase the rate and fullness of the crab. (2) Appropriately raise the standard of feeding and extend the time of feeding crabs. 2. Day-to-day management To keep track of ponds many times a day, observe the changes in water quality such as water color and transparency, and conduct timely water quality analysis and bottom quality inspection. Examine the crab's activities, feeding, growth, and oyster shells, and overhaul culture facilities. Find problems and solve them in a timely manner. 3. Disease control The winter disease of the swimming crab is mainly emulsification disease (common name: cow's milk disease). Although the harm is relatively high, the incidence rate in the past in Nantong, Jiangsu province is relatively low, but in recent years there has been an epidemic tendency. The pathogen of "milk disease" is a fungal yeast. Preventive measures: To create a stable and stable pond ecological environment, strengthen water quality treatment, and use comprehensive measures such as oxygenation at the end of the earth and the use of microbiological agents and aeration. Second, seal management measures 1. To create a good and stable water environment to further improve the bottom quality, to provide a comfortable "bed" for the winter crabs, to raise the water level more than 2.8 meters (including ring ditch), and to provide a warm "quilt" during the hibernation. 2. Disease Prevention When the water temperature is about 14°C, use a chlorine-containing disinfectant to sterilize the insecticide. After 48 hours, use insecticides such as cilia to kill the insects. Let the crabs be hibernating cleanly and healthily. ( Bright Color Red Bell Pepper,Ad Sweet Pepper Green,Air-Dried Green Bell Pepper,Dehydrated Sweet Pepper Green Xinghua Jiahe Foods Co., Ltd. , https://www.jiahefoods.com