Effects of N-carbamylglutamic on blood biochemistry and reproductive performance of pregnant female Hu sheep

• YANG Xinglin, 
• XING Yujia, 
• LI Siqi, 
• GUO Zhiwei, 
• CHEN Jiajia, 
• ZHU Haijing, 
• LI Longping, 
• QU Lei