开食料中性洗涤纤维水平对犊牛生长性能、血清生化指标和抗氧化功能的影响

任春燕,毕研亮,郭艳丽,杜汉昌,于博,屠焰,刁其玉

Effects of NDF Level of Starter on Growth Performance, Serum Biochemical Parameters and Antioxidant Indices in Calves

ChunYan REN,YanLiang BI,YanLi GUO,HanChang DU,Bo YU,Yan TU,QiYu DIAO

表3 开食料NDF水平对犊牛体增重和体尺的影响

Table 3 Effects of NDF level of starter on body weight gain and body size in calves

项目 Item 处理 Treatment (Tr) 标准误 SEM P值 P value 10N 15N 20N 25N 始重 Initial weight (kg) 42.73 41.58 42.25 42.35 0.50 0.97 体增重 Body weight gain (kg) 15-42日龄 15-42 d 21.42. 21.04 20.86 19.38 2.52 0.42 42-70日龄 42-70 d 20.36 22.00 20.75 21.25 2.58 0.51 15-70日龄 15-70 d 42.13 43.04 41.61 40.63 2.52 0.32 70-112日龄 70-112 d 33.55ab 37.80a 26.33b 29.04b 2.56 ＜0.01 15-112日龄 15-112 d 75.57ab 80.23a 67.94b 69.67b 2.56 ＜0.01 体尺 Body size (cm) 35日龄35 d 体高 Wither height 81.30 80.11 80.18 79.60 1.24 0.16 体斜长 Body length 85.53a 84.57ab 84.52ab 81.50b 1.78 0.02 胸围 Heart girth 90.40 90.83 90.86 90.70 1.57 0.77 腰角宽 Hip width 21.71 20.89 21.14 20.86 0.50 0.09 十字高 Hip height 86.17 85.07 86.00 85.00 1.41 0.39 112日龄 112 d 体高 Wither height 93.53ab 95.54a 93.21b 93.02b 1.29 0.05 体斜长 Body length 106.96ab 108.18a 106.12ab 103.9b 1.90 0.02 胸围 Heart girth 117.62ab 120.35a 117.39ab 116.87b 1.63 0.03 腰角宽 Hip width 26.19 26.42 26.37 26.50 0.52 0.55 十字高 Hip height 100.71 102.81 100.91 100.93 1.45 0.15