| 贮藏期和添加绿汁发酵液对袋装苜蓿青贮的影响 |
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| 引用本文： | 许庆方,周禾,玉柱,李胜利,韩建国,白春生,薛艳林,白景隆.贮藏期和添加绿汁发酵液对袋装苜蓿青贮的影响[J].草地学报,2006,14(2):129-133,146. |
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| 作者姓名： | 许庆方 周禾 玉柱 李胜利 韩建国 白春生 薛艳林 白景隆 |
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| 作者单位： | 1. 中国农业大学动物科技学院, 北京, 100094;2. 中国农业大学动物科技学院, 北京, 100094 |
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| 基金项目： | 引进国际先进农业科技计划(948计划)
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国家科技成果转化项目
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天津市重大农业科技合作项目 |
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| 摘 要： | 研究添加不同稀释倍数绿汁发酵液的袋装苜蓿青贮贮藏180 d和400 d后的发酵品质和营养价值。结果表明,添加绿汁发酵液可以显著降低贮藏400 d袋装苜蓿青贮的pH值(P<0.01),乳酸含量极显著增加(P<0.01),乙酸、丙酸、丁酸和氨氮含量极显著减少(P<0.01),而对干物质、中性洗涤纤维、酸性洗涤纤维、粗蛋白质含量及体外消化率的影响不显著;与贮藏180 d相比,贮藏400 d后pH值显著下降(P<0.01),有机酸含量显著增加(P<0.01),中性洗涤纤维和粗蛋白含量显著增加(P<0.01),干物质、中性洗涤纤维、酸性洗涤纤维、粗蛋白质消化率显著提高(P<0.01)。
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| 关 键 词： | 苜蓿 青贮 绿汁发酵液 贮藏期 发酵品质 营养价值 |
| 文章编号： | 1007-0435（2006）02-0129-06 |
| 收稿时间： | 2006-03-01 |
| 修稿时间： | 2006-03-012006-05-15 |
The Effect of Different Storage Time and Dilution Previous Fermented Juice on Bagged Alfalfa Silage |
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| XU Qing-fang,ZHOU He,YU Zhu,LI Sheng-li,HAN Jian-guo,BAI Chun-sheng,XUE Yan-lin,BAI Jing-long.The Effect of Different Storage Time and Dilution Previous Fermented Juice on Bagged Alfalfa Silage[J].Acta Agrestia Sinica,2006,14(2):129-133,146. |
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| Authors: | XU Qing-fang ZHOU He YU Zhu LI Sheng-li HAN Jian-guo BAI Chun-sheng XUE Yan-lin BAI Jing-long |
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| Institution: | 1. College of Animal Science and Technology of China Agricultural University, Beijing 100094, China;2. College of Animal Science and Technology of Shanxi Agricultural University, Taigu, Shanxi 030801, China |
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| Abstract: | The effect of different dilution previous fermented juice on bagged alfalfa silage sampled at 180 d and 400 d were studied.The result indicated that the pH and the acetic acid,propionic acid,butyric acid,and ammonia nitrogen content of bagged alfalfa silage sampled at 400 d decreased significantly(P<0.01) and lactic acid content increased significantly(P<0.01) with the previous fermented juice.and the dry matter,neutral-detergent fiber,acid-detergent fiber, and crude protein content and in vitro digestibility were not affected.Compared with the bagged alfalfa silage sampled 180 d,the organic acid,neutral-detergent fiber,crude protein,the in vitro dry matter,neutral-detergent fiber, acid-detergent fiber,and crude protein digestibility of silage sampled at 400 d increased significant(P<0.01) except the decreased pH. |
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| Keywords: | Alfalfa Silage Previous fermented juice Storage time Fermentation quality Nutrient value |
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