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6 各处理组屠宰性能、肌肉积滴水损失和剪切力的比较

Table 6 Comparison of slaughter performance, muscle drip loss and shear force of each treatment

项目 Item 处理组 Treatment 标准误 SEM P A B C D E 屠宰率 Slaughter rate (%) 54.66 52.82 55.58 52.77 53.53 0.006 0.443 净肉率 Net meat rate (%) 46.04 45.92 48.20 45.50 46.98 0.005 0.610 骨重率 Bone weight rate (%) 8.62a 6.90bc 7.38b 7.27c 6.56c 0.226 0.013 头重率Head weight rate (%) 2.95a 2.70b 2.90a 2.81ab 2.48c 0.054 0.015 尾重率 Tail weight rate (%) 0.26 0.24 0.23 0.26 0.24 0.008 0.718 皮重率 Tare weight rate (%) 9.59 8.31 7.98 8.29 6.98 0.317 0.113 脂肪率 Fat rate (%) 7.28a 7.25a 5.07c 5.18c 6.47b 0.343 0.040 滴水损失率 Drip loss rate (%) 2.08 1.96 2.75 2.44 2.79 0.180 0.051 剪切力 Shear force (N·cm-2) 44.52a 38.02c 39.69bc 41.06b 41.16b 0.710 0.020