淘汰的天祝白牦牛种公牛全舍饲育肥试验

为了探究淘汰的天祝白牦牛种公牛在全舍饲育肥生产中的效果,提高养殖效益,开展了淘汰的白牦牛种公牛全舍饲育肥试验。经过140 d试验期,试验组平均体重由372.9±8.63 kg增加到569.3±11.76 kg,绝对增重197.3 kg,平均日增重1410 g,增重率52.91%;对照组平均体重由368.6±13.66 kg减小到337.7±9.63 kg,绝对增重-30.9 kg,平均日减损221 g,减损率8.38%。试验组比对照组平均日增重多1631 g,差异显著(P<0.05)。

Fattening Experiment of Tianzhu White Yak Cull Bulls in Whole House

In order to explore the effect of the Tianzhu White Yak cull bulls in the whole house fattening production and improve the breeding efficiency,the whole house fattening experiment of the white yak cull bulls was carried out.After 140 days,the average weight of the experimental group increased from 372.9±8.63 kg to 569.3±11.76 kg,the absolute weight gain was 197.3 kg,the average daily weight gain was 1410 g,and the weight gain rate was 52.91%.The average weight of the control group decreased from 368.6±13.66 kg to 337.7±9.63 kg,the absolute weight gain was-30.9 kg,the average daily-loss was 221 g,and the loss rate was 8.38%.The average daily gain of the experimental group was 1631 g more than that of the control group,and the difference was significant(P<0.05).