Generally, feed cabbage, green vegetables, lettuce and other plants in spring; feed various melon and fruit peel residues, sugar cane, sunflower leaves, etc. in summer; feed vegetable leaves, potato chips, carrots, etc. in autumn and winter... Fruits and tubers should be cut into thin strips or thin slices Only then can you feed, and pay attention to the diversity of food to prevent partial eclipse. In order to speed up the growth rate and increase the spawning rate, it is best to add crushed wheat bran, rice bran, tofu residue, yeast powder, soybean meal, fish meal, bone meal, and shells to the feed. Mixed concentrates such as flour or stone powder. Commonly used feed formula: 50% rice bran and bran, 40% shell powder, 8% yeast powder. Others (fish meal, soybean meal, flour) and 2% trace elements and special additives. Concentrate addition The amount accounts for 10% ~ 15% of the total amount of feed. Feeding should be around 6 o'clock in the evening. Feeding activity reaches its peak at 20-24 o'clock. Feeding should be stopped at 6 o'clock the next day.