In this study, the protein and amino acids (AA) of different soybean meal (SBM) and repeseed meal (RSM) were analyzed. Then the degradability of protein and AA of SBM and RSM in rumen were evaluated by nylon bag method and the availability of AA of undegradable protein (UDP) was evaluated by Sibbald true metabolizable energy method (TME). The results were as follows:
Experiment 1: SBM
SBM were dry-heated and divided into three groups by different temperature. With the incre...