Grass carp sometimes get sick in the process of growth, and at this time they will show corresponding symptoms. If there are symptoms of grass carp swimming in groups, then it is likely that grass carp are sick. Grass carp may have metabolic disorder syndrome, if grass carp gathered in groups on the surface of the situation after a large number of feeding, then it may be the disease. Because grass carp need a lot of oxygen to digest after eating a lot of food, if the oxygen supply of the fish is insufficient, they will swim to a place with more oxygen, that is, near the surface of the water.
In addition, you can also observe whether grass carp have other symptoms, if their gills or body parts appear rotten or mucus increased phenomenon, then may be "rotten gill disease" or "water mildew disease". At this time, it may also be accompanied by symptoms of reduced activity and appetite of grass carp, which can be judged by these symptoms.
1. Oxygenation: If the grass carp group swimming on the surface needs sufficient oxygen after feeding, then some oxygen can be supplemented artificially, for example, an oxygen pump can be used.
2. Treatment of diseases: If grass carp have other symptoms besides the symptoms of swimming in groups on the surface of the water, such as rotten gills or increased mucus on the surface of the body, then diseases need to be treated. If it is rotten gill disease, then it needs to be treated with drugs such as rotten gill spirit, while disinfecting the pool with copper sulfate and other solutions. If it is saprolegniasis, you can use drugs such as water mildew, and also have to disinfect the aquaculture pond.
