b) culled bull caves, grazed at the grassland a the fattening period, gaind 0.98 kg/d liveweight and reached 7 . kg averagely at the . monthes.
b) culled bull caves, grazed at the grassland a the fattening period, gaind 0.98 kg/d liveweight and reached 7 . kg averagely at the . monthes.
头淘汰小公牛草地全放牧育肥，个月零天出栏，平均体重达7 ．kg，每头日增重0．98kg。