1 It's time for thaddeus breccia to start breeding.
The weather in South China in May is unstable and the water temperature is low. In June, the average water temperature can rise above 28℃, which is very suitable for the growth of Sparus macrocephalus. It is suggested that Sparus macrocephalus should bloom in June and cultivate fish particles in the pond from the end of June to July.
2 fish pond before the operation of the seedlings
In the early stage of cleaning ponds in Tang Qian, or pulling nets to scrape Sparus macrocephalus, the proportion (weight) of other fish should not exceed 20%, otherwise, there will be such a situation: Sparus macrocephalus can't eat, its specifications are small, its growth speed is slow, and its specifications are quite different.
Three key points of seedling release
The stocking density of Thai shad can reach10-150,000/mu, and the particle size of Thai shad passing through the pond is larger, preferably above 3,000/kg, so that its survival rate will be much higher and its uniformity will be better. Fish are sold by taking turns to catch and release fish, that is, after a batch of fish is sold, fish particles with appropriate specifications can pass through the pond on the same day, and the density of the fish pond is kept at10-150,000/mu.
4 feeding management
If the catfish in Thailand are fed intensively and insufficiently, there will also be a problem of large specification differentiation. It is suggested that when 800- 1000 fish /kg, the feeding rate should be controlled at 5-8%.
5 large fish
The bigger the catfish in Thailand, the more favorable it is to grow faster. It is suggested that the fish should be sold when the size is 40-80 pieces/kg, and the yield increase effect is more obvious.