验证近距离记录器以记录牛肉公牛之间的近距离事件
Vinicius A Camargo1, Edmond A Pajor1, Jennifer M Pearson1
1Faculty of Veterinary Medicine, University of Calgary, Calgary, AB T2N 4Z6, Canada.
Translational animal science
|February 17, 2025
概括
牛肉公牛的近距离记录仪在检测社会互动方面显示出高准确度但低灵敏度. 这些设备对牛管理有价值,但必须考虑到它们在检测所有近距离事件方面的局限性.
科学领域:
- 动物行为和伦理学
- 农业技术 农业技术
- 畜牧业管理 畜牧管理
背景情况:
- 对牛的社会行为监测对于管理和疾病控制至关重要.
- 对牛近距离的视觉观测具有挑战性和劳动密集性,特别是在牧场环境中.
- 近距离记录设备提供了潜在的远程解决方案,但它们在牛肉公牛中的准确性尚未确定.
研究的目的:
- 为了评估Lotek LiteTrack LR项圈的准确性,用于检测牛肉公牛之间的近距离事件.
- 为了评估Lotek LiteTrack LR项圈与Lotek V7E 154D耳标发射器一起用于近距离检测的准确性.
- 将记录器数据与视频观测进行比较,以确定设备的可靠性.
主要方法:
- 在2021年将Lotek LiteTrack LR项圈部署在12头公牛身上,2023年将部署在10头公牛身上 (5项圈,5耳标).
- 记录牛行为同时进行的视频观测,以与记录器数据进行比较.
- 基于真正阳性,假阳性,假阴性和真阴性的计算灵敏度,特异性,精度和准确性.
主要成果:
- 领带和耳标记记录器在检测近距离事件方面都表现出高的特异性,精度和准确性.
- 在这两项实验中,灵敏度始终很低,这表明有倾向错过一些近距离事件.
- 在实验1中观察到高度的互惠协议,表明可靠的领表现.
结论:
- 洛特克近距离记录器是精确的,具体的,准确的监测牛牛的社会互动.
- 这些设备的低灵敏度意味着它们可能无法捕捉所有近距离事件,这是它们应用的关键考虑因素.
- 这些发现对于在畜牧管理和研究中使用近距离伐木者做出明智决策至关重要.
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