【摘要】 本试验以不同杂交组合牛与本地牛为试验材料,粗饲料以玉米黄贮为主,补给一定混合料,对18～24月龄牛进行短期肥育,育肥期为60d。试验结果表明,改良牛无论在日增重、净肉率等方面均优于本地牛。在吉林省中部农区,以玉米秸、玉米青黄贮为主,补喂一定精饲料,对18～24月龄牛进行短期育肥,增重效果明显,可以缩短饲养周期,并为市场提供优质牛肉,打破了只利用成年牛育肥的做法,取得了较好的经济效益。更多还原

【Abstract】 Native cattle and crossbred cattle with different cross combination, aged 18- 24months, were fed on corn haylage as main roughage adding some amount of mixed concentrate in order to study the effect of short feeding. The feeding period was 60 days. The result showed that improved cattle had higher daily gain and net meat percentage than native cattle has. In the central agriculture region of Jilin province, to fatten 18 - 24 months old cattle by feeding on corn stalk, silage and haylage adding some amount of cocentrate ersults in significant in weight gain, shortens feeding period , and provides high - quality beef for market. It changes the feeding mothod for adult cattle and gots profits.更多还原