验证一种新的织传感器带,用于在农场内评估小牛心率变化
Luca Turini1,2, Gaia Pesenti Rossi3, Giulia Sala4
1Department of Agriculture, Food and Environment, University of Pisa, Pisa, Italy.
The veterinary quarterly
|October 4, 2025
概括
智能织品生物技术提供了一种舒适的,低压力的方法来测量乳牛的心率变化 (HRV). 这项技术与标准心电图有很强的相关性,在动物福利评估中被证明是有效的.
科学领域:
- 兽医医学 兽医医学 兽医医学
- 动物生理学 动物生理学
- 生物技术是生物技术.
背景情况:
- 心率变化 (HRV) 是乳牛压力和福利的关键指标.
- 之前的研究将HRV变化与分离和脱节等压力事件联系起来.
- 标准的心电图方法可能对小牛来说具有侵入性或压力.
研究的目的:
- 评估智能织品生物技术在乳牛中测量HRV的有效性.
- 为了比较智能织品的HRV测量与标准的基础顶部心电图.
- 确定智能织品是否适合进行非侵入性动物福利评估.
主要方法:
- 使用标准心电图和智能织品 (Smartex) 在20只小牛 (20-60天) 中同时获取HRV数据.
- 数据是从站立的,未被麻醉的,未被切割的小牛身上收集的16分钟的数据.
- 时间,频率和非线性HRV参数的分析,用Bland-Altman测试和Spearman的相关性用于比较.
主要成果:
- 在智能织品和标准心电图之间,对于平均RR,SDNN和LF (p < .001) 发现了强烈的相关性 (斯皮尔曼的 ρ).
- 对于RMSSD,LF/HF和SampEn也观察到显著的相关性.
- 布兰德-阿尔特曼测试表明这两种测量系统之间的良好一致性.
结论:
- 智能织品生物技术为乳牛的HRV测量提供了一种可靠和可比的方法.
- 这种可穿戴技术提供了一个比传统的心电图方法更轻松,更舒适的替代方案.
- 智能织品是持续监测年轻奶牛动物福利的宝贵工具.
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