|
|||||
|
|
| 三江平原粗饲料体外消化率的测定及品质评价 | |
| 引用本文： | 李婉,张爱忠,刘道春,张静,姜宁.三江平原粗饲料体外消化率的测定及品质评价[J].黑龙江八一农垦大学学报,2007,19(2):63-66. |
| 作者姓名： | 李婉 张爱忠 刘道春 张静 姜宁 |
| 作者单位： | 1. 黑龙江八一农垦大学动物科技学院,大庆,163319 2. 山东省济南市长清区农业广播学校 3. 牡丹江市畜牧局 |
| 基金项目： | 黑龙江省农垦总局科研项目 |
| 摘 要： | 选取黑龙江省三江平原苜蓿、无芒雀麦、小叶章、稻草、玉米秸、豆秸(不带豆荚),通过常规营养成分分析和两级离体消化法测定了6种粗饲料的体外干物质消化率,估测了粗饲料代谢能,进而由公式计算出GI值。结果表明,这6种粗饲料的GI值存在显著差异(p<0.01),按两个不同纤维(NDF、ADF)指标所得的粗饲料分级指数(GIN、GIA)对六种粗饲料的品质优劣划分次序是一致的,其GIA顺序为苜蓿(2.42)>无芒雀麦(0.56)>小叶章(0.53)>玉米秸(0.34)>稻草(0.28)>不带豆荚豆秸(0.22)。试验证明,运用粗饲料分级指数(GI)能够对不同品质的粗饲料精确分级。 |
| 关 键 词： | 体外干物质消化率 代谢能 分级指数 粗饲料 |
| 文章编号： | 1002-2090（2007）02-0063-04 |
| 收稿时间： | 2006-12-21 |
| 修稿时间： | 2006-12-21 |
Determination of IVDMD and Evaluation of Roughages in the Sanjiang Plain |
|
| LI Wan, ZHANG Ai-hong, LIU Dao-chun et al..Determination of IVDMD and Evaluation of Roughages in the Sanjiang Plain[J].Journal of Heilongjiang August First Land Reclamation University,2007,19(2):63-66. | |
| Authors: | LI Wan ZHANG Ai-hong LIU Dao-chun |
| Abstract: | Alfalfa,Smooth brome grass,Deyeuxia angustifolia,corn stalk,rice straw and bean stalk of Sanjiang Plain were selected to assay in vitro dry matter digestibility (IVDMD) using routine analysis and the two stage technique for the in vitro digestion of forage. The metabolic energy (ME) and grading index (GI) of roughages was calculated using formula. The results showed that there were difference significantly of GI between six different roughages(p<0.01). The arrangements of GIN and GIA for different roughages quality were consistent when GIN and GIA were calculated using different fiber (NDF,ADF) index respectively. The arrangement in accordance with GIA was: alfalfa(2.42)>smooth brome grass(0.56)>deyeuxia angustifolia(0.53)>corn stalk(0.34)>rice straw(0.28)>bean stalk (0.22). |
| Keywords: | dry matter digestibility in vitro metabolic energy grading index roughage |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ | |