培训方法和奶牛个性特征对适应自动化奶系统的影响
J E Brasier1, A J Schwanke1, R Bergeron1
1Department of Animal Biosciences, University of Guelph, Guelph, ON N1G 2W1, Canada.
Journal of dairy science
|October 10, 2024
概括
自动挤奶系统 (AMS) 培训的有效性因方法和母牛个性而异. 将奶牛暴露在AMS机械上提高了奶产,而仅集中训练的效果不那么好.
科学领域:
- 动物科学动物科学
- 农业工程 农业工程
- 行为科学 行为科学
背景情况:
- 自动化挤奶系统 (AMS) 为奶牛提供了潜在的性能优势.
- 最佳的AMS培训方案以及牛个性对适应的影响仍然不清楚.
研究的目的:
- 评估不同AMS培训方法对原生母牛适应性的影响.
- 研究牛的个性特征与AMS适应之间的关系.
- 为了确定特定的人格类型是否更好地响应特定的培训策略.
主要方法:
- 通过竞技场,物体和人体测试,对48只初代荷尔斯坦牛进行了个性 (探索积极,大胆) 的评估.
- 奶牛被分配到四个训练组:控制,环境暴露 (ENV),缩物供应 (PEL) 和机械暴露 (MEC).
- 训练持续了四天,第四天开始挤奶,并监测了14天.
主要成果:
- 与对照组相比,缩物供应 (PEL) 导致访问和挤奶次数减少.
- 机械 (MEC) 和环境暴露 (ENV) 处理导致牛奶产量高于对照组.
- 较高的"探索活动"得分与所有奶牛的更高的奶产相关.
- 与对照组相比,经过ENV训练的牛具有较低的"探索活动"分数,显示出更多的访问和自愿的挤奶.
结论:
- AMS培训方法显著影响牛的适应性和表现.
- 在奶之前将奶牛暴露在AMS机械上,可能会提高奶产.
- 牛的个性,特别是"探索积极"的特征,可以调节适应较不密集的AMS培训协议.
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