贵州省主要农作物及其副产物资源调查与饲用价值评价研究

韦兴迪, 左相兵, 田维荣, 裴成江, 张明均, 卢敏

Investigation on Main Crops and Their By-Products in Guizhou and the Evaluation of Feeding Value

Wei Xingdi, Zuo Xiangbing, Tian Weirong, Pei Chengjiang, Zhang Mingjun, Lu Min

表5 主要农作物副产物营养品质分析

Table 5 Analysis of nutritional quality of main crop by-products

样品 Sample 干物质随意采食量 DMI (%BW) 可消化干物质 DDM (%) 总能 Total energy (MJ/kg) 消化能 Digestive energy (MJ/kg) 相对饲用价值 RFV 稻草Rice straw 2.70±0.07bc 49.00±0.97c 17.45±0.02h 8.10±0.25c 102.68±4.76bc 小麦秸秆Wheat straw 2.32±0.05e 42.16±0.97e 18.05±0.01e 7.03±0.25d 75.85±3.30e 玉米秸秆Corn straw 2.20±0.05ef 40.50±0.82e 17.90±0.02f 6.62±0.21d 69.20±2.81ef 大豆秸秆Soybean straw 2.07±0.04g 36.99±1.28f 18.58±0.02b 5.92±0.33e 59.52±3.17g 甘蔗渣Bagasse 2.12±0.04fg 38.32±0.99f 17.89±0.02f 6.59±0.26d 62.90±2.87fg 花生秸秆Peanut straw 2.78±0.08b 51.15±0.99b 18.41±0.03d 9.25±0.23b 110.34±5.18b 油菜秸秆Rape straw 3.35±0.11a 57.12±0.99a 19.13±0.01a 10.91±0.24a 148.65±7.23a 薏苡秸秆Coix straw 2.59±0.07cd 48.27±0.85c 18.49±0.01c 8.91±0.21b 96.91±4.22cd 荞麦秸秆Buckwheat straw 2.48±0.06d 47.25±0.93c 17.59±0.02g 8.03±0.22c 90.95±3.84d