| 绿汁发酵液及青贮苜蓿中乳酸菌的分离筛选及鉴定 |
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| 引用本文： | 赵芸君,李学森,董志国,安登弟. 绿汁发酵液及青贮苜蓿中乳酸菌的分离筛选及鉴定[J]. 中国畜牧兽医, 2011, 38(1): 29-32 |
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| 作者姓名： | 赵芸君 李学森 董志国 安登弟 |
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| 作者单位： | (1.新疆畜牧科学院饲料研究所,新疆乌鲁木齐 830000;2.新疆畜牧科学院草业研究所,新疆乌鲁木齐 830000;3.新疆师范大学生命科学学院,新疆乌鲁木齐 830054） |
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| 基金项目： | 国家科技支撑计划课题“新疆伊犁河流域水土资源可持续开发利用研究与示范”(2007BAC15B04) |
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| 摘 要： | 苜蓿较难青贮,用青贮接种剂可提高苜蓿青贮的质量。本研究以pH的降低程度及稳定性,乳酸积累量多,产生香甜气味为指标,通过连续限制性培养,从绿汁发酵液、青贮苜蓿中共筛选出3株乳酸球菌和3株乳酸杆菌;该6株菌在72 h内均能使MRS液体培养基pH下降至3.2左右并维持稳定,在MRS固体培养基中培养散发出香甜气味,此6株菌可供开发苜蓿青贮接种剂作进一步研究。
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| 关 键 词： | 绿汁发酵液 青贮苜蓿 乳酸菌 分离 筛选 |
Selection of Lactic Acid Bacteria (LAB) from Previously Fermented Juice and Alfalfa Silage and its Character |
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| ZHAO Yun-jun,LI Xue-sen,DONG Zhi-guo,AN Deng-di. Selection of Lactic Acid Bacteria (LAB) from Previously Fermented Juice and Alfalfa Silage and its Character[J]. China Animal Husbandry & Veterinary Medicine, 2011, 38(1): 29-32 |
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| Authors: | ZHAO Yun-jun LI Xue-sen DONG Zhi-guo AN Deng-di |
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| Affiliation: | (1.Feed Research Institute, Animal Science Academy of Xinjiang, Urumqi 830000,China;2.Grassland Research Institute, Animal Science Academy of Xinjiang, Urumqi 830000,China;3.College of Life and Science, Xinjiang Normal University, Urumqi 830054, China) |
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| Abstract: | Alfalfa is difficult to ensile,while silage inoculants could improving alfalfa silage quality.This article mainly aims at screening silage inoculant Lactic Acid Bacteria that could quickly debase and stabilize pH value and producing more lactic acid.A continuous restricted cultivation was carried on until three kinds of Lactic Acid Bacteria had been selected from previously fermented juice and three kinds of Lactic Acid Bacteria had been selected from alfalfa silage.These six kinds of Lactic Acid Bacteria c... |
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| Keywords: | previously fermented juice alfalfa silage Lactic acid bacteria(LAB) selection character |
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