Cage fish farming is a method of using synthetic fiber mesh or metal mesh as the material, assembled into a box of a certain shape and specification, and set up in a water body suitable for fish farming. Cage fish culture is a new technology that is developing towards intensive production in the world aquaculture industry. It has high output, low cost, small investment, easy management, land and water saving and energy saving, and effective development of large water surface fishery waiting points in rivers, lakes and reservoirs.
The high-yield principle of cage fish culture:
1. The fish are kept in a cage, the amount of activity is reduced, the respiratory frequency is reduced, the metabolism is slow, and the energy consumption is reduced, which is conducive to the conversion and accumulation of nutrients;
2. The water inside and outside the tank can be exchanged freely, and sufficient oxygen and natural bait can be obtained. The fish excrement is taken out of the tank with the water flow. The water quality is fresh and the fish have a superior living environment;
3. It can avoid the invasion of hostile fish and aquatic animals in the water area, and improve the survival rate;
4. According to different fish, formulate different feeds, which is beneficial to intensive culture, high yield and fish disease prevention;
5. The net cage is easy to manage, the adult fish is easy to get water, and the catch rate is high.