Predicted CP (10.9 ?0.28%, 21.4 ?0.55%) and DOM (62.0 ?0.23, 64.4 ?0.36) from trials 1 and 2 respectively indicate minimal effect on NIR predicted diet quality due to individual animal variation.

• 用随机选取的本试验第7天的39个粪便样品的光谱扫描值利用可消化有机物定标方程预测其日粮的可消化有机物的含量，其结果是R2=0.；751，预测标准差SEP=1