全株构树青贮在务川黑牛日粮中饲用价值评价

陈光吉,熊先勤,何润霞,田雄,申应龙,邹晓敏,杨洪,尚以顺,赵明坤,李小冬,李世歌,张蓉,舒健虹

Evaluation of Feeding Value for Whole Broussonetia papyrifera Silage in Diet of Wuchuan Black Beef Cattle

CHEN GuangJi,XIONG XianQin,HE RunXia,TIAN Xiong,SHEN YingLong,ZOU XiaoMin,YANG Hong,SHANG YiShun,ZHAO MingKun,LI XiaoDong,LI ShiGe,ZHANG Rong,SHU JianHong

表3 各处理组在各试验期的生长性能比较

Table 3 Comparison of growth performance of each treatment in each trial period

试验期 Trial period 指标 Index 处理 Treatment 标准误 SEM P A B C D E 0-175 d 始重 Initial BW (kg) 110.67 105.33 106.56 108.90 108.70 2.12 0.950 末重 Final BW (kg) 207.44 207.33 205.56 215.60 200.40 3.38 0.713 日增重 ADG (kg·d-1) 0.55 0.58 0.57 0.61 0.52 0.01 0.441 干物质采食量DMI (kg·d-1) 4.20a 4.27a 3.70b 4.00ab 4.05ab 0.07 0.025 DMI/ADG 7.60a 7.32a 6.55b 6.57b 7.72a 0.07 0.018 175-220 d 始重 Initial BW (kg) 207.44 207.33 205.56 215.60 200.40 3.38 0.713 末重 Final BW (kg) 228.78 232.00 233.67 245.50 226.60 3.60 0.493 日增重 ADG (kg·d-1) 0.47d 0.55c 0.62ab 0.66a 0.58bc 0.02 0.001 干物质采食量 DMI (kg·d-1) 5.77a 5.70a 5.18bc 5.33ab 5.08c 0.93 0.035 DMI/ADG 12.17a 10.40b 8.30de 8.02e 8.72cd 1.96 0.003 220-288 d 始重 Initial BW (kg) 228.78 232.00 233.67 245.50 226.60 3.40 0.493 末重 Final BW (kg) 260.44 268.11 272.33 286.30 262.50 3.63 0.220 日增重 ADG (kg·d-1) 0.47c 0.53bc 0.57ab 0.60a 0.53bc 0.01 0.014 干物质采食量 DMI (kg·d-1) 5.57ab 5.76a 5.41b 5.59ab 5.19c 1.64 0.039 DMI/ADG 11.96a 10.85b 9.51c 9.31c 9.83c 1.62 0.013 0-288d（全期 ） Whole period 始重 Initial BW (kg) 110.67 105.33 106.56 108.90 108.70 2.12 0.950 末重 Final BW (kg) 260.44 268.11 272.33 286.30 262.50 3.63 0.220 日增重 ADG (kg·d-1) 0.520 0.565 0.576 0.616 0.534 0.013 0.138 干物质采食量 DMI (kg·d-1) 4.64a 4.72a 4.05c 4.48ab 4.39b 0.63 0.007 DMI/ADG 8.92a 8.36ab 7.03c 7.27c 8.22b 0.82 0.004