乳酸菌启动剂 KUB-G2 对使用 140 吨塑料袋青贮窖青贮草料质量及其微生物群落的影响:一项大规模研究

Phatthanaphong Therdtatha, Orawan La-Ongkham, Massalin Nakphaichit, Chaowarit Mapato, Sunthorn Rungruang, Jiro Nakayama, Sunee Nitisinprasert
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引用次数: 0

摘要

本研究调查了乳酸菌(LAB)启动剂在 140 吨信号草青贮中的效果。我们将本地开发的启动剂(植物乳杆菌 KUB-SP1-3 和酸性柄球菌 KUB-M6 (KUB-G2)的组合)与商业启动剂进行了比较。我们监测了青贮饲料在贮藏(第 0 天)和 21 天后的化学和微生物特性。结果表明,KUB-G2 生产出了优质青贮饲料。两种发酵剂的微生物总存活率、乳酸或丙酸含量没有明显差异。不过,使用 KUB-G2 生产的青贮的乙酸含量低于使用商业发酵剂生产的青贮。此外,KUB-G2 还导致以犬 杆菌为主的微生物群谱较窄,而对照组的细菌类群范围较广,乳杆菌和扁豆乳杆菌的定植率较高。这些研究结果表明,KUB-G2 具有独特的微生物群谱,适合在大规模信号草青贮生产中替代进口的商业启动剂。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Effect of lactic acid bacterial starter KUB-G2 on grass silage quality and its microbial community performed using 140-ton plastic bag silos: a large-scale study
This study investigated the effectiveness of lactic acid bacteria (LAB) starters in 140 tons of signal grass silage. We compared a locally developed starter, a combination of Lactiplantibacillus plantarum KUB-SP1-3 and Pediococcus acidilactici KUB-M6 (KUB-G2) with a commercial starter. We monitored the chemical and microbiological properties of silage at ensiling (day 0) and after 21 days. The results indicated that KUB-G2 produced high-quality silage. There were no significant differences in total viable microbes, lactic acid, or propionic acid contents between the starters. However, the silage produced with KUB-G2 had a lower acetic acid content than that produced with the commercial starter. KUB-G2 also resulted in a narrower microbiome profile dominated by Pediococci whereas the control group displayed a broader range of bacterial taxa with colonization by Lactiplantibacillus and Lentilactobacillus. These findings suggested that KUB-G2, with its distinct microbial profile, is a suitable replacement for imported commercial starters in large-scale signal grass silage production.
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