The culture forms of grouper are cage culture and pond culture, among which pond culture is the main one. Pond culture conditions: ponds can be excavated in the low and middle tidal areas of the reclamation area, or the original shrimp ponds can be used to build ponds. The conditions are as follows: the bottom of the pool is sandy, semi-sandy, and hard mud bottom is also acceptable; The water quality in the surrounding waters is pollution-free and transparent; The fish pond covers an area of 5- 10 mu, and the pool water depth is above 1 m. After the fish pond is exposed to the sun and dredged, some stones are laid on the bottom of the pond, or some old tires with holes and ceramic tile sinks are put into the pond. Adapt to the habit that groupers like to make holes.

Reserve fish. The cultured fish species require strong vitality, no pests and diseases, black color and isolation according to size. Stocking density should adapt to local conditions. The general fish species specification is 100g/ fish, and about 0.5 fish can be stocked per square meter. Techniques of stocking fry. Choose fry with strong vitality, strong fish body, no disease, no scale injury, black body color and uniform size. In addition, the stocking density should be adapted to local conditions, and the fry specifications should be large and the number should be small; Small size and large volume. Feeding technique. Feeding should follow the principles of quality, quantity, timing and fixed point.

Farmers should build a special feed platform for feeding, which can not only improve the feed utilization rate, but also facilitate the cleaning of residual materials and maintain good water quality. Daily management skills. Check and observe its growth, food intake, activity, body color and cage damage every day; Regularly remove the attachments on the cage to keep the water flowing smoothly inside and outside the cage; Monitor the water quality regularly and change the water in time. In a word, grouper culture is a systematic project, involving many fields, but as long as the above technologies are mastered, it is not a problem to raise grouper well.

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