热友微生物剂促进了消耗的堆肥和猪的发酵进展
Hongbo Du1, Chongchong Lu2, Muhanmad Zunair Latif2
1College of Forestry, Shandong Agricultural University, Tai'an, China.
Frontiers in microbiology
|July 3, 2025
概括
热友微生物剂在猪堆肥过程中显著减少了抗生素耐药性基因 (ARG) 和人类病原细菌. 这种方法提高了堆肥质量,加快了堆肥过程,为便管理提供了可持续的解决方案.
科学领域:
- 环境微生物学 环境微生物学
- 农业科学 农业科学
- 生物技术是生物技术.
背景情况:
- 牲畜便是一种有价值的有机资源,但未得到充分利用,导致环境污染.
- 肥料中的抗生素耐药性基因 (ARG) 和人类病原细菌 (HPB) 构成生态风险.
- 在堆肥过程中微生物活动在ARG传播和HPB动态中的作用需要进一步阐明.
研究的目的:
- 调查热友微生物剂 (TMS1和CTMS2) 对猪中消耗的堆肥 (SMC) 中污染物减少的影响.
- 了解ARG传播 (垂直基因转移 - VGT和水平基因转移 - HGT) 和HPB动态的调控机制.
- 评估对堆肥质量和堆肥效率的整体影响.
主要方法:
- 猪的有氧堆肥-SMC系统添加了两个热友微生物剂 (TMS1和CTMS2).
- 对持久且易于移除的ARG进行系统分析,包括它们的传播机制 (VGT和HGT).
- 人类致病细菌 (HPB) 丰度的量化和相关代谢途径的分析.
- 监测堆肥质量参数和堆肥周期持续时间.
主要成果:
- 持久的ARG主要通过VGT传播,而易拆卸的ARG则由VGT和HGT监管.
- 同时添加热友微生物剂和SMC显著降低了ARG (lg0.45-3.73) 和HPB (如Bacteroides,Treponema).
- 热友微生物剂将高温堆肥阶段延长了30%以上,将堆肥周期缩短了50%,并通过丰富Pseudomonas等有益微生物来改善整体堆肥质量.
结论:
- 热友微生物剂有效减少ARG和HPB,减轻与便堆肥相关的环境风险.
- CTMS2的应用通过高效的资源利用和增强的堆肥生产来促进绿色农业发展.
- 这项研究提供了重要的数据,支持热友微生物剂的工业应用,用于安全的有机肥料生产.
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