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在整个冬季小麦化过程中微生物和代谢物的动态变化
Veterinary sciences
|August 28, 2025
概括
冬季小麦料的最佳发酵时间超过70天,其中关键的微生物转移和有机酸的产生. 斯波罗拉克托巴西勒斯 (Sporolactobacillus) 具有提高发酵质量的潜力.
科学领域:
- 农业科学
- 微生物学
- 动物营养
背景情况:
- 冬季小麦 (Triticum aestivum L.) 料是中国有价值的粗料,因为它的养价值很高.
- 了解发酵动态对于优化料质量和利用至关重要.
研究的目的:
- 为了确定冬季小麦料的最佳发酵时间.
- 在化过程中分析微生物群落和代谢特征的时间变化.
- 确定潜在的微生物生物标志物和注射剂,以提高料质量.
主要方法:
- 在发酵7,14,30,50,70天后对整个冬季小麦进行分析.
- 测量包括干物质,有机物质,纤维含量,pH和挥发性脂肪酸.
- 微生物社区分析涉及识别主导的细菌和真菌类和属.
- 进行相关分析以了解pH,有机酸和微生物之间的相互作用.
主要成果:
- 随着时间的推移,料的pH值显著下降,在70天达到4. 4
- 有机酸和总挥发性脂肪酸含量随着发酵时间的增加而增加.
- 主要的细菌包括蛋白质细菌和虫细菌,其中Hafnia-Obesumbacterium,Enterobacter和Lactobacillus是主要的属.
- 在第70天,Sporolactobacillus 已成为灌生物标志物.
- 在真菌分析中,Ascomycota占主导地位,Fusarium和一个未确定的真菌占主导地位.
结论:
- 在自然条件下,全冬小麦料的最佳发酵时间超过70天.
- 在pH,有机酸和微生物群落之间存在显著的相关性.
- 作为微生物注射剂,Sporolactobacillus有望增强冬季小麦料的发酵.
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