The pond for breeding snakehead is close to the water source, with abundant water source, convenient water addition, flat bottom, less silt, firm ridges and no water leakage, and the water used for breeding meets the fishery water standard. The culture area is 3 mu, and the water depth is 1.5 to 2 meters. The pond is raised by 0.7m with plastic net to prevent the snakehead from escaping.

Second, stock trading.

1, stock up

65,438+05 days before stocking fry, drain the pond water, remove excess sludge at the bottom of the pond, expose the bottom of the pond, and improve the permeability of the bottom mud. After 3 days of exposure, spray 65,438+000 to 65,438+025 kilograms of quicklime per mu of chemical pulp to disinfect the whole pond, killing harmful substances in the pond. Five days after clearing the pond, water was injected, and some water peanuts were transplanted around the pond to provide shelter and summer shelter for snakehead.

2. Seed selection

The specifications of fry are neat, harmless and agile. It is required that the fry released in the same pond must have the same specifications to prevent killing each other. One-year-old seedlings with large specifications should be released.

3. Carrying capacity

The specification is 20 pieces per kilogram and 3000 pieces per mu, totaling 9000 pieces. At the same time, interplant some silver carp species, and soak them in 5% salt solution for 15 minutes before stocking to avoid bringing harmful substances into foreign fry.

Third, feeding.

The bait is mainly fresh animal bait, and the whole feeding period is for small fish.

1, feeding time

Feed twice a day, 1 time in the morning, 1 time in the afternoon, 8: 00 in the morning and 17: 00 in the afternoon. According to the principle of "four fixed and four views", the bait should be fed regularly, quantitatively, qualitatively and positioned.

2. Feeding methods

Put more food tables around the pond, cut the small fish into pieces and throw them on the bait table, and master the feeding amount flexibly according to the weather and the feeding activities of the fish to enhance the resistance of the fish.

Fourth, daily management.

1, insist on patrolling the pond

Patrol the pond 1 time every morning and evening to observe the feeding activities of snakehead and grasp the water quality and growth in time.

2. Water quality management

Change water 1 time every half month, and change water 1 time every 10 day in hot season or when the water quality is too strong, so as to keep the water quality fresh. Use quicklime 1 time every half month, with the dosage of about 20kg per mu, and sprinkle 0.3g of strong chlorine essence on every cubic meter of water regularly.