A.
依据饲养标准确定动物的营养指标Determine the nutritional index of animals based on feeding standards
B.
注重各种养分之间平衡Pay attention to the balance between various nutrients
C.
应考虑动物的消化生理特点,注意日粮的体积 Consider the digestive and physiological characteristics of the animal and pay attention to the volume of the diet
D.
注意饲料多样化、适口性和安全性、经济性Pay attention to feed diversity, palatability and safety, economy