What causes grass carp to swim frantically nonstop after eating

Grass carp is one of the common freshwater fish, but in recent years, one behavior of grass carp has been troubling farmers. The main feature is that after eating, some of the fish stick their heads out of the water and then swim in a straight line, lasting for as long as several hours. So what causes this? Let's take a look.

1. Lack of oxygen

A large number of grass carp gather in a small area when being fed, and the dissolved oxygen in that patch of water drops sharply within a short time. After eating, some grass carp suffering from more severe oxygen deficiency become dazed and dart around everywhere. If the dissolved oxygen at the feeding spot drops sharply within a short time, you can turn on the aerator to supply oxygen in time, which can reduce the occurrence of this phenomenon.

2. Liver and gallbladder problems

At present, with the heavy use of drugs, along with high-density feeding and the use of high-protein feed, the liver and gallbladder problems of fish have never been encouraging. In the process of grass carp farming, liver and gallbladder problems have also been troubling everyone, directly affecting the growth of grass carp and affecting economic benefits. So some people also believe that this behavior may be related to abnormal liver and gallbladder function.

3. Feed that is too dry

At present, many grass carp feeds are mostly high-fat, high-protein feeds. Although this meets the nutritional requirements of grass carp, if the feeding intensity is high, grass carp will not be able to stand it after eating this way for a long time. Secondly, if the feed is too dry, the palatability for grass carp is poor. This phenomenon is relatively obvious in Guangxi, Guizhou and other places, especially in cage farming.

4. Preventive measures

As for the above behaviors of grass carp, in the final analysis they are a reaction to not being adapted to the current farming environment. Therefore, when farming grass carp, there should be sufficient water sources, good water quality, smooth water intake and drainage, and a good ecological environment. When selecting fry, you should also choose healthy, lively, high-quality fingerlings. The fry should be cultivated without pollution, and their quality should meet the relevant standards.

  The above is an introduction to the reasons why grass carp swim frantically nonstop after eating. I hope it can help you. If you want to learn more related knowledge, please stay tuned to us.