The results shown that the general combining ability of birth weight (-0.65 kg), 120 d weight (1.87 kg), and 120 d weight gain (12.60 g) of Suffolk sheep were the best among the 4 breeds.

• 本研究结果表明:在四个品种中；萨福克的初生重、120d 重 、120d 日增重的一般配合力效果最好。 分别为-0.；65 kg；1