Key points of daily management of cage fish culture

Cage fish culture is now a very popular mode of fish culture. Cage fish culture is not restricted by the water area and can be carried out in most water bodies. And it can save a lot of land resources and water resources, which is also of great help to the fish production of the major water bodies. So how to manage fish culture in cages? The following editor brings you the key points of daily management of cage fish culture. Let's have a look!

1. Check the cage

Checking the cage is the most important management work when we culture fish in the cage. Whether the fish is put into the box or after it is put into the box, it should be carried out frequently. We have to check whether there are any fish in the outer net, and if there are any fish, then whether there is a decrease in fish in the cage, etc., should be checked frequently. And we also need to carry out a comprehensive and careful inspection of the box regularly to see if it is damaged or other bad phenomena. When checking the box, we should not only check it comprehensively, but also be careful not to disturb the school of fish.

2. Remove dirt

After entering the water, the cage is easy to be epiphytic, so it is easy to cause the mesh to be blocked, which will have a great impact on the water exchange. At the same time, the removal of fish feces, residual bait and the supply of dissolved oxygen in the cage will also be hindered. Therefore, we should pay attention to regularly remove the dirt on the cage. When removing dirt, the net coat can be lifted directly, shaken off or slapped. If possible, mechanical cleaning can also be used directly to reduce labor input and improve work efficiency.

3. Preventive inspection

In the cage fish culture, if the cage is attacked by natural disasters such as strong winds and waves, torrential rain, the damage to the cage is very great. So we should pay attention to observe the weather change and check the weather forecast. It is necessary to carry out preventive inspection of cages before natural disasters come. Reinforce the cage and check the firmness of each cage. If it is a floating cage, move it to a safe area. At the same time, after the bad weather, we should also carry out a comprehensive inspection of the cage, if the problem should be dealt with in a timely manner.

4. Prevention of fish diseases

In cage fish culture, although the prevention and treatment of fish disease is similar to that of traditional fish culture. However, because the cage is in a large body of water for high-density culture, so in prevention can not be spilled in the whole box. First of all, we should control the feeding of bait to avoid fish disease caused by lack of nutrition caused by the imbalance of food nutrition. Do not feed moldy bait, in the mixed additives, we should pay attention to full stirring, otherwise it will also affect the growth of fish. It is found that sick fish and dead fish should be fished out in time for harmless treatment to avoid the spread of the disease. And then through medicine bath, bait and other drugs for prevention.

The above is a brief introduction to the main points of daily management of cage fish culture. That's all for today's introduction. This article is for reference only. I hope it can help you all.