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1. Cement pond cultivation. Each cement pool area is 8-10 square meters, the depth of the pool is 1 meter, the water depth is 0.3 meters, the bottom of the pool is covered with 2-3 centimeters of fine sand, and it is inclined to the outlet, which facilitates drainage and drainage. Repeated disinfection with quicklime or potassium permanganate twice, a total of 70 3-5 grams of Tsai per square metre, 7 days at 7 pm feeding dip or young dip material, each meal by weight 10% Feeding, feed also added 5% fish oil and the right amount of milk powder, vitamin C, E, etc., stirring with water and then put on the table. After six hours, the general food can be changed after the food is drained, the residual bait on the food table is removed, and good water quality is maintained. Disinfect once with lime or bleach every 7-10 days to prevent fish disease. In addition, nylon sheds are placed above the pool, and some aquatic plants such as water peanuts and fake daffodils are placed in the pool to serve the purpose of preventing heatstroke, purifying water, and the like. Generally, after 30 days of cultivation, the juvenile clams weigh 10-15 g, ie, Can be put into the earth pond to breed, the survival rate reaches about 95%, grow fast, most of the water fish grow to more than 500 grams that year, become the commodity to market.
2, earthen pond cultivation. The area of ​​the earthen pond should not be too large, generally about 5 mu. After cleaning and disinfecting according to conventional methods, a small square of 200 square meters is surrounded by bamboo poles in the corner of the earthen pond, 30-50 stockings per square meter, feeding and management methods and concrete pools. the same. Since young people accept wild life, they have small stocking densities and grow faster. However, to prevent water snakes, rats, and other predators from attacking, we must do preventive work. The main methods are: First, remove weeds around the earthen ponds and use them at the pondside. Lime in a circle makes the rat smell odor and does not dare to devour. It can serve as a guard; secondly, it is surrounded by electric wires and is energized at night. It is also effective in preventing rat extermination, but it needs to be used safely. To prevent accidents.
How to cultivate healthy seedlings
The newly hatched Aberdeen, the umbilical cord has not fallen off, and the yolk sac has not been completely absorbed. It should be kept in the hatchery for a day and not to be rushed to take it, so as to avoid the death of the seedling. One day after hatching, the oysters were placed in plastic pots to tame their food. The pots were covered with fine sand, which contained 3 cm of water. Each pot was stocked with about 100 larvae, and 4 eggs were used every day at 9:00 p.m. Feeding while changing water. After three days of normal feeding, Aberdeen has been able to adapt to the external environment and can enter the cultivation phase. There are two methods of cultivation: