Siniperca chuatsi generally refers to grass carp, which is a freshwater fish belonging to the genus Cyprinidae. Grass carp is a common name, and it is named because mandarin fish like to eat grass. Grass carp is also commonly known as: mandarin fish, mandarin fish, oil carp, grass carp, pomfret, grass carp and grass roots (northeast).
Mandarin fish inhabit rivers and lakes in plain areas, generally prefer to live in the middle and lower layers of water and coastal areas with more aquatic plants, and often feed in groups. They are endemic fish in China's eastern Guangxi, Heilongjiang and other plain areas.
Methods of fish culture in Anhui Province
1, pond
Suitable pond area 10-20 mu, water depth 2-2.5 meters, silt thickness less than 20 cm. Every 10 mu pond is equipped with 1 aerator and automatic bait feeder with power of 3 kW. Drain the pond water in winter, freeze-dry for more than 20 days, before stocking fish 15 days, the water inflow 10-20cm, and clean the pond with quicklime 150kg per mu for disinfection.
Step 2 feed
Fresh forage grass is rich in nutrition, less in cellulose and easy to digest. Anhui fish like to eat fresh and tender forage, which can make Anhui fish grow fast and get sick less. Therefore, fresh and tender forage grass should be used as far as possible to feed Anhui fish, and it is better to feed ryegrass, Sudan grass and other long-leaved young grass planted and collected.
Step 3: Feed.
Anhui fish has a small caliber at the juvenile stage and cannot be fed with coarse and hard forage. It is advisable to feed duckweed and Cyperaceae. , or feed fresh and tender long-leaved grass after mowing.