羊母和羊羔对人类情感气味的反应行为
Izïa Larrigaldie1, Fabrice Damon2, Dylan Brimaud2
1Centre des Sciences du Goût et de l'Alimentation, Development of Olfactory Cognition and Communication Lab, Université Bourgogne Europe, Institut Agro, CNRS, Inrae, Dijon, 21000, France. izia.larrigaldie@u-bourgogne.fr.
Scientific reports
|November 25, 2025
概括
羊 (Ovis aries) 可能会检测到人类的情感体气味,但对恐惧或快乐气味的明确区分仍然不确定. 需要进一步的研究来证实绵羊对人类情绪线索的感知.
科学领域:
- 动物行为 动物行为
- 嗅觉感知是一种嗅觉感知.
- 人与动物的互动
背景情况:
- 非灵长类哺乳动物区分人类情感身体气味的能力在很大程度上是未被探索的.
- 绵羊 (Ovis aries) 拥有发达的嗅觉系统,这表明它们有嗅觉的潜力.
- 了解物种间的嗅觉交流可以提供对动物认知和情绪处理的见解.
研究的目的:
- 调查羊,包括成年绵羊和幼羊,是否能区分与恐惧和快乐相关的人体气味.
- 评估羊对人类情绪气味的行为反应,使用经过验证的习惯-失习范式.
主要方法:
- 在暴露于诱导恐惧或诱导快乐的电影后,从人类身上收集了腹分泌物.
- 记录了母羊和羔羊对这些气味的行为反应 (触觉嗅觉调查,耳朵姿势,逃跑尝试).
- 一个习惯-失习范式被用来评估气味歧视.
主要成果:
- 绵羊和羊羔都表现出对气味的习惯,这表明随着时间的推移,调查减少了.
- 没有观察到显著的脱习,限制了关于嗅觉歧视的最终结论.
- 羊羔表现出对恐惧气味 (FO) 的越来越多的逃跑尝试,但也表现出口腔抓捕,呈现出复杂的反应模式.
- 绵羊表现出微妙的耳朵姿势变化,可能与气味价值相关,但这些并非具有决定性.
结论:
- 绵羊可能会以不同的刺激对人类情感气味做出反应,但并没有明确地证明它们的明显区别和与特定价值 (恐惧与快乐) 的关联.
- 虽然观察到行为差异,但雌羊缺乏强烈的脱习和羊羔的相互矛盾反应需要进一步调查.
- 建议在未来进行结合生理学措施的研究,以阐明绵羊对人类情感身体气味的感知.
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