Degradation trial: The degradability of CP, CF, NFE, DM and OM within 48h of concentrates and early indica paddy were determined by nylon bag technique through two Dabie Mountain Beef Cattle with everlasting fistula in rumen.

• 瘤胃降解试验:用尼龙袋法，通过两头装有永久瘤胃痰管的本地大别山黄牛评定四种精料及早釉稻谷的CP、CF、哪E、OM、DM的48h瘤胃降解率。