通过应用智能技术,减少冷却奶牛的用水量
L T Casarotto1, F X Amaro1, J M Lance1
1Department of Animal Sciences, IFAS, University of Florida, Gainesville, FL 32611.
JDS communications
|March 6, 2026
概括
一个自动化的智能冷却系统有效地减少了干奶奶牛的热应激,改善了干物质的摄入量并保持了福利. 与传统方法相比,这种智能冷却系统还减少了用水量.
科学领域:
- 动物科学动物科学
- 乳牛管理 乳牛管理
- 牲畜中的环境压力
背景情况:
- 热压对奶牛的生产和福利产生了负面影响.
- 积极的冷却方法,包括阴影,通风和浸泡器,对于减轻热应激至关重要.
- 自动化冷却系统为提高效率和有效性提供了潜力.
研究的目的:
- 评估自动智能冷却系统 (Agpro) 与传统冷却方法相比,在干奶奶牛中减轻热应激的有效性.
- 评估不同冷却策略对干物摄入量 (DMI),用水量和生理参数的影响.
主要方法:
- 一项涉及无双和多双孕期荷尔斯坦奶牛在干旱期间的研究.
- 三种处理组:常规冷却 (CL),智能冷却 (SS) 和没有主动冷却的热应力 (HT).
- 测量包括DMI,摄入水量,用水量,血红素,呼吸速率,直肠温度和阴道温度.
主要成果:
- 智能冷却 (SS) 系统有效地冷却了奶牛,与传统冷却 (CL) 相比,优于热应力 (HT) 组.
- 在HT组中的奶牛表现出较低的DMI和更高的呼吸速率和温度.
- 与传统冷却相比,SS系统显示每头奶牛的用水量减少.
结论:
- 自动智能冷却系统在干燥奶牛的热应激管理方面与传统冷却一样有效.
- 智能冷却系统为减轻热应激提供了一种更节水的方法.
- 实施智能冷却技术可以在干旱期间保持动物福利并改善生理参数.
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