Three kinds of fish autumn tube
After the fish ponds in the clear pool are transferred to ponds through high-temperature breeding period, a lot of harmful substances will be deposited at the bottom of the pool. After the autumn, the fish species should be transferred to a pond that has been sterilized through clear ponds for the safe wintering of the fish species. Use 75-100 kilograms of quick lime per acre for the original pond, fertilize the water according to conventional methods, and turn the fish back after the drug disappears.
Filter the fish stocks that have been divided into stocks and fish stocks, and sort the fish stocks to the same size as possible. For fish species over 15 cm in size, they can be put into a fish pond culture. Specially small fish species should be cultivated in special pools.
To control the density in order to increase the survival rate of fingerlings in winter, they should be properly stocked and bred according to the conditions such as water size and depth. 1.5 meters deep pond, acre 7-8 cm long fish species about 4500-6000 tail.
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