酒厂废水在微透气过程中对高粱青贮饲料化学成分和微生物群落的影响

Xiaokang Huang, G. Lu, Lin Li, Chaosheng Liao, Xiaolong Tang, Cheng Chen, Mingjie Zhang, Ping Li, Chao Chen
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引用次数: 0

摘要

本研究旨在探讨酒厂废水(DWW)在微透气过程中对高粱青贮饲料的营养成分、发酵质量和微生物群落的影响。将不添加布氏乳杆菌(CK)或布氏乳杆菌(LAB)、酒厂废水黄色血清液(Y)和酒厂废水(S)的高粱青贮饲料贮藏 60 天,然后进行为期 6 天的空气微渗透稳定性试验。贮存 60 天后,与对照组相比,使用 DWW 和 LAB 处理可减少 DM 的损失,抑制蛋白质的降解,并减少青贮中氨氮的产生。尤其是用黄色血清液处理的 S. propinquum 青贮饲料维持了更高的水平。此外,添加 DWW 后,乙酸和丙酸的含量高于其他处理。在空气微渗透过程中,添加 DWW 能有效抑制乳酸含量的降低,并在 DWW 处理的 S. propinquum 青贮饲料中发现了对畜牧生产有益的独特菌属 Roseburia 和 Faecalibacterium。总之,添加 DWW 能有效改善 S. propinquum 青贮饲料在微透气过程中的营养成分和微生物群落。
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 distillery wastewater on chemical composition and microbial community of Sorghum propinquum silage during micro-permeation of air
The aim of this study was to investigate the effect of distillery wastewater (DWW) on the nutrient composition, fermentation quality and microbial community of Sorghum propinquum silage during the micro-permeation of air. S. propinquum without (CK) or with L. buchneri, (LAB), distillery wastewater yellow serofluid (Y) and distillery spent wash (S) was ensiled for 60 days, and then subjected to a micro-permeation stability of air test for 6 days. After 60 days of storage, treatments with DWW and LAB decreased the loss of DM, inhibited the degradation of protein and reduced the production of ammonia nitrogen in silage relative to the control. In particular, S. propinquum silage treated with yellow serofluid sustained higher levels. Moreover, the addition of DWW resulted in higher levels of acetic and propionic acid than the other treatments. During the micro-permeation of air, the addition of DWW was effective in inhibiting the reduction of lactic acid content, and unique genera Roseburia and Faecalibacterium, which are beneficial for livestock production, discovered in DWW-treated S. propinquum silage. In conclusion, the addition of DWW was efficacious in improving the nutritional composition and microbial community of S. propinquum silage during the micro-permeation of air.
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