Crayfish eat a variety of foods, both animal foods and plant foods, especially tender green plants, such as water hyacinth, water hyacinth, etc., as well as animal foods, such as adults or larvae of insects, earthworms, snails and mussels. I also like to eat all kinds of plants, animal leftovers and artificial ingredients that are artificially fed.

Adult shrimp culture can be directly fed with broken rice bran, bean cake, bran, miscellaneous fish, snail meat, silkworm chrysalis, earthworm, slaughterhouse leftovers or compound feed. The protein content of the feed is kept at about 25%, and the daily feeding amount is 4- 10% of the shrimp's weight, which is adjusted according to the season, weather, water quality and physiological condition of the shrimp.

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Crayfish are different from fish in physiological characteristics and requirements for ecological environment, so there are many differences in disease prevention and control. At present, prevention is the mainstay, and prevention is more important than treatment.

Drug prevention Drug prevention is mainly to do a good job of disinfection and use disinfectants such as quicklime. In the usual management, it is necessary to strengthen the disinfection treatment of crayfish activity areas and feed the bait appropriately. Drug use should follow the following principles; Don't take medicine when you are short of oxygen. Take medicine at 9- 10 on sunny days. Continuous medication time should not be too long, no more than 3 days. Shrimp farming in rice fields is only used in shrimp ditches.

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