Protein: an important raw material for the construction of body tissue cells, the main component of the body's structural substances and metabolically active substances, and the raw material for tissue renewal and repair.
Carbohydrates: Provides heat and converts to body fat when excess. Various cereals are rich in carbohydrates, such as corn, rice, wheat, sorghum, millet, etc.
Fat: Provide higher energy to meet the body's needs, increase daily weight gain, improve feed palatability, increase feed intake, improve feed conversion efficiency, and resist heat stress.
Minerals: Calcium, Phosphorus, Sodium, Magnesium, Chlorine and other macroelements and trace elements.
Vitamins: Vitamins are not required in high amounts, but are indispensable and affect biological metabolism in the form of coenzymes.
Water: Water is an important part of various tissues, organs and body fluids in the body, and plays an important role in regulating body temperature and absorbing nutrients.