一个评分系统,用于分类牛奶牛的起重机爪
N Capion1, A M Rinken2, C Christensen3
1Department of Veterinary Clinical Sciences, Faculty of Medical Sciences, Univeristy of Copenhagen, Agrovej 8, Taastrup 2630, Denmark.
Veterinary journal (London, England : 1997)
|March 10, 2024
概括
在乳牛中,使用轴壁宽度开发了一个新的抽爪 (CC) 评分系统. 该系统有效地对CC的严重程度进行了分类,并显示了观察者之间的良好共识,有助于未来的研究.
科学领域:
- 兽医医学 兽医医学 兽医医学
- 动物科学动物科学
- 足部医学是一门专业.
背景情况:
- 拖爪 (CC) 是乳牛中出现的一种渐进式爪变形,原因不明.
- 这种情况的不可逆转性和与的关联需要标准化的评估方法.
- 由于缺乏定义的严重性指标,目前对CC病因,病原和治疗的理解是有限的.
研究的目的:
- 开发和评估一个可复制的评分系统,用于乳牛的起重爪 (CC).
- 从摄影数据建立客观测量,以量化CC严重程度.
- 评估CC的不同形态参数之间的相关性.
主要方法:
- 对393张受CC感染的乳牛爪子照片的分析.
- 测量轴壁宽度,脚与地板的接触,以及距离轴壁的角.
- 基于轴壁宽度间隔 (轻度,中度,严重) 的评分系统的开发.
- 使用科恩加权的卡帕在爪子剪切者和训练有素的观察者之间评估观察者之间的协议.
主要成果:
- 在轴壁宽度和距离轴壁角之间发现了显著的正线性相关性 (r=0.91).
- 轴壁宽度的增加与脚与地板接触的减少相关,特别是在轻度和中度CC.
- 开发的CC评分系统显示了观察者之间相当大的或几乎完美的一致性.
结论:
- 基于轴壁宽度的拟议评分系统提供了一种可靠的方法,用于量化乳牛的起重刀爪严重程度.
- 这种标准化的方法对于在未来关于CC病因,风险因素和治疗疗效的研究中收集一致的数据至关重要.
- 高级观察员间协议表明,分数系统是实用的,用于受过培训和未受过培训的人员在群体健康管理.
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