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宿主特异性微生物组与反交互形成了乳牛中的甲产量表型.

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  • 1Department of Clinical Studies, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA.

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概括

牛的延长反时间与通过肠道微生物组变化减少肠道甲排放 (EME) 有关. 这项研究确定了反时间作为选择低EME牛的非侵入性工具,促进气候智能农业.

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科学领域:

  • 动物科学动物科学
  • 环境科学 环境科学
  • 微生物学 微生物学

背景情况:

  • 畜牧业的肠道甲排放 (EME) 对环境可持续性和动物生产效率产生负面影响.
  • 化时间 (RT) 是一种与甲产量相关的潜在表型,可能由肠道微生物群介导.

研究的目的:

  • 调查反时间 (RT),肠道微生物群和肠道甲排放 (EME) 之间的联系.
  • 确定选择低EME奶牛的非侵入性代理方法.

主要方法:

  • 使用了反肉,便和肠微生物组分析.
  • 在高RT与低RT奶牛中量化了EME并分析了微生物和代谢概况.

主要成果:

  • 高RT奶牛的反时间长达94分钟/天,EME比低RT奶牛低26%.
  • 观察到不同的微生物和代谢特征,包括甲素丰度和水槽利用率的差异.
  • 高RT的奶牛显示酸盐和富含快速发酵细菌的增加,而低RT的奶牛的酸盐度更高.

结论:

  • 化时间是一个与微生物组相关的,用于识别低EME奶牛的非侵入性指标.
  • 基于RT的选择可以提高甲减排,干效率和气候智能畜牧生产.
  • 利用RT相关的微生物概况提供了一种可扩展的方法来减少牛中的EME.