植物乳杆菌和短乳杆菌复合添加对高丹草青贮效果的影响

doi:10.11733/j.issn.1007-0435.2022.03.029

草地学报 ›› 2022, Vol. 30 ›› Issue (3): 758-763.DOI: 10.11733/j.issn.1007-0435.2022.03.029

• 技术研发 • 上一篇

植物乳杆菌和短乳杆菌复合添加对高丹草青贮效果的影响

付薇^1,2, 陈伟¹, 周丽¹, 蔡璐³, 王小利¹, 韩永芬^1,2, 孟军江¹

1. 贵州省草业研究所, 贵州贵阳 550006;
2. 贵州金农富平生态农牧科技有限公司, 贵州松桃 554100;
3. 贵州省生物技术研究所, 贵州贵阳 550006

收稿日期:2021-06-21 修回日期:2021-08-25 发布日期:2022-03-30
通讯作者: 韩永芬,E-mail:442694189@qq.com
作者简介:付薇(1985-),女,汉族,四川广汉人,副研究员,主要从事饲草资源开发与利用研究,E-mail:494978600@qq.com
基金资助:
贵州省科技创新人才团队项目(20205005)；贵州省科技计划项目(2021041)资助

Effects of Mixing Ratio of Lactobacillus plantarum and L.brevis on Sorghum Hybrid Sudan Grass Silage

FU Wei^1,2, CHEN Wei¹, ZHOU Li¹, CAI Lu³, WANG Xiao-li¹, HAN Yong-fen^1,2, MENG Jun-jiang¹

1. Guizhou Institute of Prataculture, Guiyang, Guizhou Province 550006, China;
2. Guizhou Jinnongfupingsci & tech Co. Ltd. of Ecological Agriculture and Animal Husbandry, Songtao, Guizhou Province 554100, China;
3. Guizhou Biotechnological Institute, Guiyang, Guizhou Province 550006, China

Received:2021-06-21 Revised:2021-08-25 Published:2022-03-30

摘要/Abstract

摘要： 为研究不同乳酸菌互作对高丹草(Sorghum bicolor×Sorghum sudanense)青贮效果的影响，将前期筛选的植物乳杆菌(Lactobacillusplantarum)和短乳杆菌(L.brevis)按不同比例(1∶0(LP06)，0∶1(LBR02)，4∶1(F-1)，3∶2(F-2)，2∶3(F-3)，1∶4(F-4)，1∶1(F-5))添加至高丹草，并以添加蒸馏水为对照，青贮60d和开窖6d时测定发酵品质、营养成分、主要微生物数量，开窖后记录青贮中心温度变化。结果表明：青贮60d后，F-1处理NH₃-N含量最低、乳酸含量最高，与对照差异显著(P＜0.05)；LBR02处理乙酸含量最高，与对照差异显著(P＜0.05)；F-2处理粗蛋白含量最高，显著高于对照(P＜0.05)；F-3处理酵母菌数量最低，显著低于对照(P＜0.05)；开窖第6天，增加短乳杆菌添加比例对减少青贮粗蛋白损耗、抑制酵母菌、霉菌生长作用显著。根据隶属函数法综合评价，植物乳杆菌LP06和短乳杆菌LBR02以2∶3比例混合添加，高丹草青贮效果表现最优。

关键词: 高丹草, 植物乳杆菌, 短乳杆菌, 青贮品质, 有氧稳定性

Abstract: To study the effect of interaction of different lactic acid bacteria on sorghum hybrid sudan grass silage,one strain of Lactobacillus plantarum and one strain of L.brevis selected from Sudangrass were used as additive ingredients for silage preparation.With distilled water as a control(CK),the mixing ratios of L.plantarumand L.breviswere 5∶0,0∶5,4∶1,3∶2,2∶3,1∶4 and 1∶1,which were recorded as LP06,LBR02,F-1,F-2,F-3,F-4,F-5 treatments,respectively.After 60 days anaerobic fermentation and 6 days cellar opening,the fermentation quality,nutritional components and microbial quantity were determined.The change of central temperature was recorded after cellar opening.The results showed that after 60 days silage,F-1 had the lowest NH₃-N content and the highest lactic acid content,which was significantly different from CK(P＜0.05).LBR02 had the highest acetic acid content,which was significantly different from CK(P＜0.05).F-2 had the highest crude protein content,which was significantly higher than that of CK(P＜0.05).F-3 had the highest lactic acid bacteria quantity,which was significantly higher than that of CK (P＜0.05).After 6 days cellar opening,with the increase of the proportion of L.brevis,it had a significant effect on reducing crude protein loss,inhibiting yeast and mold growth.According to the comprehensive evaluation of membership function method,F-3 treatment has the best comprehensive performance of silage effects.

Key words: Sorghum hybrid sudan grass, Lactobacillus plantarum, L.brevis, Silage quality, Aerobic stability

中图分类号:

S563.1

付薇, 陈伟, 周丽, 蔡璐, 王小利, 韩永芬, 孟军江. 植物乳杆菌和短乳杆菌复合添加对高丹草青贮效果的影响[J]. 草地学报, 2022, 30(3): 758-763.

FU Wei, CHEN Wei, ZHOU Li, CAI Lu, WANG Xiao-li, HAN Yong-fen, MENG Jun-jiang. Effects of Mixing Ratio of Lactobacillus plantarum and L.brevis on Sorghum Hybrid Sudan Grass Silage[J]. Acta Agrestia Sinica, 2022, 30(3): 758-763.

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植物乳杆菌和短乳杆菌复合添加对高丹草青贮效果的影响

Effects of Mixing Ratio of Lactobacillus plantarum and L.brevis on Sorghum Hybrid Sudan Grass Silage

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