Generally, it is 10 yuan kilo, and the profit of loach breeding should be determined according to the breeding method, breeding technology and market situation. Different farming methods, farming techniques and market conditions will all affect farming profits. Generally, it is better to raise loach in mixed culture, because the weight gain coefficient of loach is very small, and the profit of raising loach alone is not great. Mixed farming is very profitable, but it is difficult to raise without experience. When I started raising this, I bought a set of information about aquaculture, which was very useful. It seems to be called "Oriental Aquatic Teaching Materials Network". Find it yourself.