补饲营养舔砖对天祝白牦牛全舍饲育肥效果试验

Study on the Fatten Effect by Supplement Nutrition Licking Brick of Tianzhu White Yak under House Feeding

为了探索营养舔砖在全舍饲天祝白牦牛育肥生产中的效果,提高养殖效益,开展了营养舔砖补饲全舍饲天祝白牦牛的育肥试验。选择健康、体重、年龄相似的白牦公牛16头,随机分成2组,经过90 d试验期,试验组平均体重由109.3±4.25 kg增加到175.7±7.87 kg,绝对增重66.4 kg,平均日增重738 g,增重率60.75;对照组平均体重由107.7±6.17 kg增加到163.2±9.12 kg,绝对增重55.5kg,平均日增重617g,增重率51.53。试验组比对照组平均日增重多121g,高出19.6,差异显著(P<0.05)。结果表明,对全舍饲天祝白牦牛补饲营养舔砖,可以明显增加日增重,提高养殖效益。

In order to explore the effect of nutrition licking brick in the fattening production of Tianzhu white yak in the whole house and improve the breeding benefit,the fattening experiment of feeding Tianzhu white yak in the whole house was carried out.Through 90 days test period,the average body weight of the experimental group increased from 109.3±4.25 kg to 175.7±7.87 kg,the absolute body weight increased 66.4 kg,the average daily gain was 738 g,increase rate was 60.75%;the average body weight in the control group increased from 107.7±6.17 kg to 163.2±9.12 kg,the absolute weight increased 55.5kg,the average daily gain was 617 g,increase rate was 51.53%.The average daily gain of the experimental group was 121g more than that of the control group,19.6%higher,and the difference was significant(P<0.05).The results showed that feeding nutritious licking bricks to Tianzhu white yak in the whole house could significantly increase the daily weight gain and improve the breeding benefit.