使用进行固态发酵的应用,用于生产动物料
Christopher Rothmann1,2, Lisa Rothmann3, Bennie Viljoen2
1Department of Animal Sciences, University of the Free State, Bloemfontein, South Africa.
Journal of basic microbiology
|July 14, 2023
概括
固态发酵有效降解纤维素酸农业废物,提高其营养价值,用于反动物料. 这种生物转化过程显著减少了难以消化的成分,增加了料能量可用性.
科学领域:
- 农业科学 农业科学
- 生物技术是生物技术.
- 菌类学 菌类学是指菌类学.
背景情况:
- 在全球范围内,农业工业活动产生了大量的纤维素化合物废物.
- 富含红素,纤维素和半纤维素的红素纤维素残留物未得到充分利用.
- 在南非,侵袭性砍伐树木对基纤维素生物质积累有显著的贡献.
研究的目的:
- 生物转化林氏纤维素农业废弃物成为高价值的反动物料.
- 用特定的物种评估固态发酵的有效性.
- 改进纤维纤维素生物质的消化能力和营养特征.
主要方法:
- 使用Ganoderma lucidum,Pleurotus ostreatus和一种新物种,对细胞质基质进行固态发酵 (SSF).
- 优化SSF过程参数,包括持续时间和真菌菌株选择.
- 对生物质成分的分析,以量化纤维纤维素成分 (酸性洗剂纤维,中性洗剂纤维,酸性洗剂纤维) 的降解.
主要成果:
- 在SSF的18周后,酸性洗剂纤维,中性洗剂纤维和酸性洗剂红素的显著减少.
- 观察到可消化性菌素成分减少了多达20%.
- 物种和SSF持续时间是影响生物质降解的关键因素.
结论:
- 使用精选的进行固态发酵是一种可行的方法,用于升级纤维素农业废弃物.
- 生物转化过程提高了生物质的消化能力,增加了反动物的能量可用性.
- 这种方法为废物利用和动物料生产提供了可持续的解决方案.
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