1, fry management. Farming grass carp, you need to put the fry in the spring, put the fry with quicklime or bleaching powder before the whole pool splashed once, can kill bacterial cytotoxic and viral, reduce the risk of grass carp fry disease, put the fry should choose robust and fat, the body surface is covered with mucus, slightly golden yellow fry, the use of potassium permanganate solution on the grass carp fry sterilization, the time to put as far as possible to choose the morning of a sunny day. During the growth of grass carp fry, it is necessary to chop the ryegrass into 0.5-centimeter segments, which is conducive to the feeding of fish fry.

2, culture management. Grass carp in the growth process, prone to bacterial infections and a variety of diseases, need to do a good job of preventive and control measures, if the green feed is also mixed with bacteria, through the intestinal tract digestion and absorption, there will be a slight enteritis, coupled with a variety of bacterial infections in the water body, Chinese flea, fish lice, water mold cysts, bacterial hemorrhagic disease, etc., so each to the summer, the whole water area should be splashed with the drugs for the treatment of enteritis and kill bacteria.

3, regular observation. In the process of breeding grass carp, we should regularly observe the water quality, by observing the grass carp feces floating on the surface of the water to analyze, the pond is full of floating grass carp feces, indicating that the grass carp eat normally, if the grass carp have disease, it will reduce feeding, need to find the cause of the timely prevention and treatment, generally need to be prepared to treat the enteritis of the medicine, rainy season, but also can be the whole pond splash the medicine to prevent and control, and to reduce the growth and development of the grass carp appeared in the disease.

4, water quality management. After all the feeding of green fodder, you need to salvage all the leftover residues of grass carp on the shore, never let it sink to the bottom of the water, or it will rot and spoil and breed bacteria and viruses, so as to ensure that the water quality is clean. You also need to regularly splash bleach, wait until the fall, and then the second bleach splash, to ensure that the grass carp clean growing environment.