Diets ranged from 4.3 to 23.5% crude protein (CP) and 52.4 to 75.8% digestible organic matter (DOM) and were composed of various grass, forb and browse components.

• 实验绵羊饲喂了78个不同蛋白水平或组成的日粮。 日粮的粗蛋白(CP)水平是从4.；3%25到23