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brojlers的幼稚微生物群被养了不同水平的矿物
Adewunmi O Omotoso1, Henry Reyer1, Michael Oster1
1Research Institute for Farm Animal Biology (FBN), 18196 Dummerstorf, Germany.
Poultry science
|October 5, 2023
概括
可持续的肉养殖需要仔细管理 (P). 这项研究表明,特定的状细菌在P耗尽时会增加,而其他研究表明过量的P供应,为营养策略提供了洞察力.
科学领域:
- 动物营养 动物营养
- 微生物学 微生物学
- 可持续农业 可持续农业
背景情况:
- 在肉养殖中优化 (P) 投入对于动物健康和环境可持续性至关重要.
- 包括时间P调节在内的营养策略可以调节肉生理和微生物群,以改善矿物质恒温.
- 阴是主要的营养吸收部位,是营养代谢和适应过程中至关重要的微生物群的所在地.
研究的目的:
- 为了研究食 (P) 枯竭策略对肉肠微生物群组成的影响.
- 为了确定与肉饮食中的P缺乏或过量相关的潜在微生物生物标志物.
- 了解状菌群在肉适应不同P水平的功能性作用.
主要方法:
- 肉接受了中等或高的P供应,其次是P耗尽间隔 (d 1724和d 2537).
- 分析了便中的P, (Ca) 和植物酸盐含量,以确认饮食有效性.
- 使用alpha多样性指数和特定类型的相对丰度来评估杰纳微生物群的组成.
主要成果:
- 饮食P耗尽策略有效地改变了便中的矿物质和植物酸盐含量.
- 在饮食群体之间没有观察到状微生物α多样性的显著变化.
- 在P-贫乏群体中,Faccklamia,Lachnospiraceae和Ruminococcaceae的丰度明显更高.
- 布雷维细菌,菌和葡萄球菌在P丰富的条件下繁殖,这表明它们是过量的P供应的生物标志物.
结论:
- 杰的微生物群组成受肉的P供应策略的影响,尽管整体多样性保持稳定.
- 某些细菌种群,如Faccklamia,Lachnospiraceae和Ruminococcaceae,对P耗尽有反应,但它们的适应作用很小.
- 特定的微生物群体,如Brevibacterium和Staphylococcaceae,可以作为肉饮食中过度的指标,帮助可持续的农业实践.
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