手动黄金标准与乳牛的2个自动身体状况评分系统的比较
Anette Matto1, Katri Ling1, Hanno Jaakson1
1Chair of Animal Nutrition, Institute of Veterinary Medicine and Animal Sciences, Estonian University of Life Sciences, 51006 Tartu, Estonia.
JDS communications
|March 6, 2026
概括
对于奶牛,手动和自动的身体状况评分系统进行了比较. 新的自动化系统与手动评分比旧的系统更好地匹配,这表明了农场管理的潜力.
科学领域:
- 动物科学动物科学
- 乳制品管理 乳制品管理
- 农业技术 农业技术
背景情况:
- 准确的身体状况评分 (BCS) 对奶牛的健康和生产力至关重要.
- 手动的BCS可以是主观的,促使自动化系统的发展.
- 评估自动化BCS系统对于商业奶牛场应用至关重要.
研究的目的:
- 评估手动和自动化身体状况评分 (BCS) 系统之间的协议.
- 评估DeLaval的两个自动化BCS系统 (旧的和新的) 与手动评分对比.
- 确定自动化BCS适用于商业乳制品农场的适用性.
主要方法:
- 手动BCS由经验丰富的评估人员使用标准化协议进行.
- 从两个DeLaval自动化BCS系统 (旧和新) 收集了数据.
- 手动BCS得分与自动化系统得分进行了比较,以获得一致性和准确性.
主要成果:
- 手动BCS在经验丰富的评估者中表现出很高的一致性.
- 这两种自动化系统都与手动BCS有很好的相关性.
- 新的自动化系统与手动BCS比旧的系统更接近一致,旧的系统往往会高估瘦牛的得分.
- 新的系统略微低估了早期哺乳期的身体状况损失.
结论:
- 这两种自动化BCS系统都适合于集团级乳牛群管理.
- 新的德拉瓦尔自动化BCS系统显示出与旧系统相比的进步.
- 建议进一步完善自动化BCS系统,以改善个体牛的评估,特别是在早期哺乳期,以及用于研究应用.
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