The scientific name of Coix lachryma-jobi is also known as Jiangtuan, Feituo and Feiwangyu. , a freshwater fish of the genus Coilia, is distributed in the Liao River, Huaihe River, Yangtze River, Minjiang River and Pearl River systems in eastern China and western Korea. Its meat is tender and delicious, rich in nutrition, and has high breeding prospects and economic value.

After catfish are domesticated at seedling stage, compound feed is the main feed, and its crude protein content should reach 40-45%. The main raw materials are imported fish meal, dried fish, bean cake, peanut cake, wheat bran, yeast powder, mineral salts, vitamins and so on. Made into hard granular feed with particle sizes of 3 mm, 4 mm and 5 mm. At first, the feed particle size was 3 mm, and later, with the weight gain of fish, it was changed to 4 mm and 5 mm. Feeding should be fixed, timed and quantitative, and a feeding platform should be built on one side of the pond. Domesticate fish after stocking. First, use sound training on the feed table to make the pond fish form conditioned reflex. Then, slowly feed them with water by hand, twice a day, at 8 am and 8 pm. The feeding ratio in the morning and afternoon is 4: 6, and every operation should be careful until the fish is finished and left. The daily feed intake is generally 1.5 ~ 3%.