Analysis of the effect of crossbreeding between Qianhua Mutton Merino and small-tailed Han sheep and Ujumuqin sheep

• LIU Hang, 
• CHEN Yang, 
• DUAN Xinming, 
• SUN Limin, 
• SUN Xinming, 
• YANG Yujiang, 
• SHAN Xuesong, 
• JIANG Huaizhi