You can choose to use cages, and the cost varies according to the use area.
Is this river fast? If it is too fast, you can't raise fish. If the flow is low, it is a good choice to complete the fish pond barrier equipment and manage it frequently.
Freshwater fish culture is a way to raise and manage fish species in water to a certain extent, or to breed and protect fish resources in water, so as to produce high-yield fish. At present, there are more than 30 species of freshwater fish culture in China. According to the characteristics of cultured fish, water quality conditions and culture measures, freshwater fish culture is divided into the following ways:
1. According to the requirements of water temperature for cultured fish, it can be divided into: warm water fish culture, with the general water temperature of 15_30℃, such as carp, grass carp, silver carp, bighead carp, crucian carp and bream; Cold water freshwater fish culture: generally, the appropriate temperature is 10_20℃, such as rainbow trout and freshwater fish. Hot water fish culture: generally, the suitable temperature is 18_30℃, such as tilapia and freshwater pomfret.
2. According to the aquaculture water conditions, fish species and specifications, water types and aquaculture measures, freshwater fish culture can be divided into the following ways:
A. fish farming in still water and running water
B. monoculture, polyculture and polyculture
C pond culture, fish culture in paddy fields, rivers, lakes, reservoirs, cages, fences, factories, etc.
D. intensive cultivation, semi-intensive cultivation, rough cultivation, etc.