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(II) Stocking specifications are body length 18-30 cm and weight 50-90 grams. The specifications for stocking in the same pond should be neat, uniform in size, and different sizes of fry should be kept in separate ponds. Stocking density is 0.5-1.0 per square meter. Fish were soaked in 5% salt water for 20 minutes before entering the pool and fed on the second day after entering the pool.
(C), feeding and management 1, feed This stage can be completely used artificial feed pelleted feed. The formulation of the feed was the same as described above, namely, crude protein 37.82%, crude fat 5.96%, crude fiber 8.48%, ash 14.91%, nitrogen-free extract 20.55%, moisture 12.28%, and particle size 2-3 mm. Feeding 3 times a day feeds about 2% of the fish's weight on a daily basis. 2. Water quality regulation During keeping, keep the water depth between 1.0-1.5 meters and under flowing conditions. The dissolved oxygen in the water body should be above 6 mg/L, the water temperature should be between 18-26 DEG C, and the bottom dirt should be sucked off. Keep the water clean.
3. Regularly observe and inspect the fish's activity and feeding conditions. Firstly, adjust the daily feeding amount according to the fish's feeding condition; second, remove the sick fish and dead fish in time to prevent the disease from spreading.
The key techniques of culturing oyster species
(I) The pond requires that the fishpond can use an outdoor cement pool with a single pond area of ​​about 300 square meters and a water depth of 1.5-2 meters. It is best to use well water that meets the water quality standards of the fishery. Clear ponds and disinfection of ponds before cultivation.