1, green feed for feeding, such as shoots and leaves of green plants, is rich in chlorophyll, plant protein, inorganic salts and vitamins.

2. Melon and potato feeds, such as pumpkin, wax gourd, potato and sweet potato, are rich in starch, sugar, minerals and water, crisp and juicy, and have good palatability.

3. Bran feeds, such as wheat bran, rice bran, corn husk and soybean husk, are rich in starch, phosphorus, sulfur and vitamin E..

4. Oilseed meal feeds, such as soybean powder, sesame powder, bean cake and rice bran cake, can provide rich protein, oil and vitamin B..

5. Animal feeds such as fish meal, bone meal, earthworm meal, etc. are high in protein, calcium and phosphorus and complete in essential amino acids.