Birds can grow and reproduce normally in order to survive and supplement nutrition. So their parents can only grow and develop when they start feeding insects, mainly because insects contain a lot of nutrients to provide their normal growth and development.

1. Insects are rich in nutrients, including organic matter: protein, fat, carbohydrates, etc. , as well as a large number of free amino acids and vitamins needed by the human body; Inorganic substances: various salts, potassium, sodium, phosphorus and iron; Calcium, etc. According to the analysis, every 100 ml of human plasma contains 24.4-34.4 mg of free amino acids, while every 100 ml of insect blood contains 293.3-2430.l mg of free amino acids, which is several times higher than that of human blood.

In addition to eating insects, birds also eat grasses to supplement the deficiency of vitamins and minerals. Edible plants can supplement the deficiency of trace elements in the body and are beneficial to health.