When breeding grass carp, grass carp are sometimes more likely to get sick. For example, gill rot disease is most common when grass carp are 1-2 years old. From the specific season, this disease is one of the common diseases in high temperature season, and the harm is more serious. This disease belongs to bacterial disease, which is caused by bacterial invasion. Grass carp is the cause of this disease is the surface of the scales or skin injuries, bacteria may have invaded the body of grass carp. Specifically, there are many reasons for the injury of grass carp body surface, which may be caused by fighting between grass carp, or by parasites, or by mechanical injury during fishing.
1. Water change and disinfection: After the symptoms of gill rot disease of grass carp appear, measures should be taken in time to avoid further expansion of the harm. The first thing we need to do is to change the water, pump out part of the old water and replace it with part of the new water. At this time, some harmful bacteria will remain in the water, so some drugs need to be used to sterilize. There are many drugs that can be used, such as copper sulfate solution, ferrous sulfate solution, etc., which need to be sprinkled in the whole pool.
2. Drug treatment: Then, the feed for grass carp is mixed with corresponding drugs to treat this disease. You can use special drugs such as Lanchiling. The effect is very good, because they are drugs specially designed for gill rot disease.
3. Secondary disinfection: After the symptoms are relieved, in order to prevent some bacteria in the water, disinfection can be carried out again, such as dibromohydantoin, bleaching powder, etc.
4. Later prevention: In the later breeding process, attention should be paid to the prevention of this disease, especially in hot weather. Regular disinfection should be done well, and the status of grass carp should be monitored.
