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在进行操纵行为的猪便样本中发现的较少可培养的乳酸菌种类
Emilia König1, Paulina Heponiemi2, Sanni Kivinen2
1Research Centre for Animal Welfare, Department of Production Animal Medicine, University of Helsinki, 00790, Helsinki, Finland. emilia.konig@helsinki.fi.
Scientific reports
|January 3, 2024
概括
猪的操纵行为,如触摸耳朵或尾巴,与肠道Lactobacillaceae细菌的多样性较低有关. 这表明肠道健康和年轻猪的这些有害行为之间存在潜在的联系.
科学领域:
- 动物行为 动物行为
- 微生物学 微生物学
- 我们的肠道微生物组.
背景情况:
- 操纵行为,如触摸耳朵或尾巴,在猪中很常见,可能导致伤害.
- 肠道微生物群,特别是乳酸菌群,在动物健康和行为方面发挥着重要作用.
研究的目的:
- 调查猪的操纵行为与它们的肠道乳杆菌菌组成之间的关系.
- 为了将表现出操纵行为的猪的便微生物群与对照群进行比较.
主要方法:
- 对45天大的猪进行视频分析,以识别操纵行为.
- 使用16S PCR和16S amplicon测序收集和分析直肠便样本.
- 操纵猪和对照猪之间的乳酸菌种和整体便微生物群的比较.
主要成果:
- 与对照猪 (7 种) 相比,操纵猪的培养乳酸菌种类 (4 种) 的多样性较低.
- 在操纵猪和雌性猪中观察到更高的Lactobacillus amylovorus丰度,与性别和地位有显著的相互作用.
- 在雌性和操纵猪中发现了更高的乳酸菌总数趋势.
结论:
- 肠道乳杆菌种的多样性减少可能与猪的操纵行为发展有关.
- 肠道微生物组的组成可能是导致猪有问题的行为的一个因素.
- 需要进一步的研究来探索乳酸菌和小猪行为之间的因果关系.
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