肉中的微生物群对料颗粒大小,度和植物酶补充剂的反应
Ismael Rubio-Cervantes1, Stephanie Wolfrum1, Wolfgang Siegert2
1Institute of Animal Science, University of Hohenheim, 70599, Stuttgart, Germany.
Poultry science
|December 11, 2025
概括
饮食中的颗粒大小,植物酶和显著改变了肉肠道微生物群. 粗颗粒和植物酶影响了像Limosilactobacillus这样的关键细菌,影响了代谢和整体健康.
科学领域:
- 动物科学动物科学
- 微生物学 微生物学
- 营养科学 营养科学
背景情况:
- 肠道微生物群在肉健康和营养代谢中起着至关重要的作用.
- 像颗粒大小,植物酶和这样的饮食成分可以影响肠道微生物的组成.
- 了解这些相互作用对于优化肉生产和健康至关重要.
研究的目的:
- 为了研究饮食颗粒大小 (PS),外源植物酶和 (Ca) 度对肉肠道微生物群的影响.
- 为了确定由这些饮食因素调节的特定微生物种群.
- 了解对代谢和肉整体健康的影响.
主要方法:
- 八种实验性饮食,PS (精细与粗),Ca度和植物酶补充剂各不相同,被给560只罗斯308肉.
- 消化器从胃肠,皮质,和ceca被收集在22日和23日化后.
- 用16S rRNA基因安普利康测序分析了肠道微生物组成.
主要成果:
- 饮食中的颗粒大小显著调节了关键细菌属的丰富性,包括Limosilactobacillus,Candidatus arthromitus,Rombustia,Anaerostipes和Clostridia vadin BB60.
- 粗颗粒养丰富了特定的L. reuteri ASVs,并增加了阴茎中的Candidatus arthromitus和Rombustia,以及阴茎中的Anaerostipes和Clostridia vadin BB60.
- 植物酶补充剂减少了乳杆菌和链球菌,而较高的Ca度降低了C. arthromitus的丰富性.
结论:
- 饮食中的颗粒大小,外源植物酶和度是 brojler肠道微生物群的显著调节者.
- 这些饮食干预影响了参与代谢的关键微生物,影响肉的健康.
- 优化饮食因素可以改善肉的肠道健康和表现.
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