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用预选的６种颗粒饲料配方进行对比饲养试验和大群生产效果观察，进一步证实ＢＲ２２、ＢＲ２４适用于繁殖兔，ＢＲ２１、ＢＲ２３适用于４５至８０日龄的生长兔，ＢＲ９、ＢＲ１０适用于８０日龄以上的后备种兔和待发的实验兔。
The results showed that BR22 and BR24 were suitable for breeding rabbit, BR21 and BR23 were suitable for growing rabbits of 45 to 80 days old, BR9 and BR10 were suitable for 80 days old Reserve more than the kind of rabbits and rabbits to be sent.