使用3D加速度计量羊行为的量化:客观压力评估的概念验证.
Stephanie Janet Schneidewind1, Mohamed Rabih Al Merestani2,3, Sven Schmidt4
1Institute of Animal Welfare, Animal Behaviour and Laboratory Animal Science, School of Veterinary Medicine, Freie Universität Berlin, 14163 Berlin, Germany.
Sensors (Basel, Switzerland)
|February 27, 2026
概括
这项研究开发了一种加速度计系统,用于监测绵羊的行为,从而能够早期检测压力. 转和休息/休模式的变化标志着绵羊的压力.
科学领域:
- 动物行为科学 动物行为科学
- 农业技术 农业技术
- 生物医学工程 生物医学工程
背景情况:
- 羊的福利在畜牧管理中至关重要.
- 早期发现羊的压力对于及时干预至关重要.
- 目前用于监测羊行为的方法可能是劳动密集型和主观的.
研究的目的:
- 开发和验证基于加速度计的系统,用于对绵羊行为进行持续的数字监测.
- 为了确定特定的行为变化,表明绵羊的压力.
- 评估系统对自动化,非侵入性压力警报的潜力.
主要方法:
- 第1部分:开发了一种新的加速度计系统,配备nRF52832微控制器和蓝牙,用于无线数据传输.
- 第1部分:创建了一个用于自动检测和分类绵羊行为的算法:反,休息/休和吃饭.
- 第二部分:连续监测四只羊,然后在不熟悉的环境中观察它们,以检测压力引起的行为变化.
主要成果:
- 行为识别系统实现了高精度 (0.86-0.90) 的反,休息/休,和吃.
- 搬迁到一个不熟悉的围显著减少反时间 (-45.6%) 和增加休息/休 (+47.9%) 在绵羊.
- 与基线反和休息/休息时间的偏差被确定为潜在的行为压力指标.
结论:
- 开发的基于传感器的系统可靠地检测出关键的羊行为.
- 转和休息/休息时间的变化可以作为在绵羊中自动化压力检测的可靠指标.
- 该系统显示承诺作为一个非侵入性的工具,通过早期压力警报来提高羊的福利.
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