The premise is that the water depth is preferably more than 2 meters. As far as the culture mantissa is concerned, if grass carp is the main culture, then an acre of fish pond can raise 400-600 grass carp, 200 silver carp and 50 carp mixed culture;
If crucian carp is the main culture, then one acre of fish pond can raise 1500-2000 crucian carp, and 250 other fish can be mixed. Farmers raise fish, and it is forbidden to occupy permanent basic farmland and dig pond culture; Even the use of non-basic farmland to dig pond culture requires approval.
Fish farming in fish ponds generally raises economic fish, such as grass carp, herring, silver carp, bighead carp, crucian carp, carp and other common edible fish. These fish are widely distributed in China, with strong adaptability to the environment, rapid growth and easy feeding.
When raising fish, it is necessary to raise them reasonably according to their feeding habits and pond conditions. Some fish can also be raised in a nested way to maximize the use of the space in the fish pond.