when the depth of the fish pond is 2-3 meters. Fish ponds should not be too deep, on the one hand, it will increase water consumption and cause unnecessary waste, on the other hand, it is easy to produce anaerobic bacteria in deep water, which is harmful to the maintenance of water quality and the health of fish, and it is also easy to lack oxygen. If the water in the fish pond is too shallow, the stocking density will be limited, or even can not be intercropped.
fish farming in fish ponds 1. Clear the pond: The first step in fish farming in fish ponds is to clear the pond. The so-called clear the pond is to kill all the organisms in the pond, whether they are bacteria, fungi, or all kinds of fish that may compete for food, etc. The way to clean the pond is very simple. Prepare a proper amount of bleaching powder or quicklime and sprinkle it into the pond. After sprinkling, you have to wait for a week or two before you can raise fish.
2, choose fry: raise fish must choose good fry, the stand or fall of fry decided the income in the future. Different fish specifications are different, such as grass carp, silver carp, etc., the length of 12-19 cm is appropriate, if it is carp, the length of 6-12 cm can be. In addition, pay attention to the source of fish fry.
3. Management: In the daily management process, we must inspect regularly to see how the fish eat, but also to grasp the changes in water quality, whether there is a floating head performance, and so on. Reasonable topdressing is needed in different seasons to promote the growth of plankton and provide a certain amount of feed for fish.