Effects of Different Additives on the Silage Quality of Sorghum-sudangrass Hybrid

doi:10.11733/j.issn.1007-0435.2016.03.026

Acta Agrestia Sinica ›› 2016, Vol. 24 ›› Issue (3): 658-662.DOI: 10.11733/j.issn.1007-0435.2016.03.026

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Effects of Different Additives on the Silage Quality of Sorghum-sudangrass Hybrid

WEI Ying-ying, YU Zhu

College of Animal Science and Technology, China Agricultural University, Beijing 100193, China

Received:2015-04-17 Revised:2015-12-17 Online:2016-06-15 Published:2016-09-18

不同添加剂对高丹草青贮的影响

卫莹莹, 玉柱

中国农业大学动物科技学院, 北京 100193

通讯作者: 玉柱
作者简介:卫莹莹(1991-),女,山西临汾人,硕士研究生,主要从事饲草加工研究,E-mail:18735429157@163.com
基金资助:
现代农业产业技术体系建设专项资金（CARS-35）；紫花苜蓿青贮技术示范推广（20140404）；公益性行业（农业）科研专项经费项目（201303061，201403048）资助

Abstract

Abstract:

This experiment studied the effect of different additives on fermentation quality and nutritive value of ensiled sorghum-sudangrass hybrid. The results showed that adding lactic acid bacteria significantly reduced the pH value of silage, increased the content of lactic acid, decreased the ammonia nitrogen to total nitrogen ratio, and improved the fermentation quality of sorghum-sudangrass hybrid silage; Adding cellulose enzyme reduced the content of NDF and the effect was more prominent as it was mixed addition with LAB, especially mixed with the Lactobacacillus plantarum; Moisture content had significant influence on the silage fermentation of the grass, but no significant effect on nutritive value.

Key words: Sorghum-sudangrass hybrid, Silage, Additives, Nutritive value, Fermentation quality

摘要：

为探讨菌剂、酶剂或其复合剂对高丹草（Sorghum bicolor×Sorghum sudanense）青贮品质的影响，对新鲜或者萎蔫的高丹草分别添加相应的制剂，罐贮后取样分析其发酵品质与养分含量。结果表明：添加乳酸菌能显著降低高丹草青贮饲料的pH值（P<0.05），提高乳酸含量，减少氨态氮含量，改善高丹草青贮饲料的发酵品质；添加纤维素酶能显著降低高丹草青贮饲料的NDF含量（P<0.05），且与乳酸菌混合添加时效果更显著，其中又以植物乳杆菌LP的效果最好；含水量对高丹草青贮的发酵品质有显著影响（P<0.05），但对营养成分的影响不显著。

关键词: 高丹草, 青贮, 添加剂, 营养品质, 发酵品质

CLC Number:

S548

WEI Ying-ying, YU Zhu. Effects of Different Additives on the Silage Quality of Sorghum-sudangrass Hybrid[J]. Acta Agrestia Sinica, 2016, 24(3): 658-662.

卫莹莹, 玉柱. 不同添加剂对高丹草青贮的影响[J]. 草地学报, 2016, 24(3): 658-662.

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Effects of Different Additives on the Silage Quality of Sorghum-sudangrass Hybrid

不同添加剂对高丹草青贮的影响

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