Intake rate was positively correlated with N, IVDMD and negatively correlated with ADF,ECT and BT. And IVDMD of shrub legumes was positively correlated with N and negatively correlated with ADF, N-ADF, ECT and BT.

• 采食量与牧草含N量和体外干物质消化率呈正相关；与ADF；ECT和BT呈负相关；而牧草IVDMD与含N量呈正相关；与ADF、N-ADF和ECT、BT均呈负相关.