料场的热应激缓解策略:行业利益相关者的使用,感知和经验
Lauren Dean1, Anthony J Tarpoff2, Kirsten Nickles3
1Department of Animal Sciences, Colorado State University, Fort Collins, CO 80523, USA.
Animals : an open access journal from MDPI
|October 14, 2023
概括
场专业人员使用减热策略,更换时间是最有效的. 极端高温导致牛群死亡,突出需要更好的基础设施和水/料管理.
科学领域:
- 动物科学动物科学
- 农业管理 农业管理
- 环境健康 环境健康
背景情况:
- 热应激对牛的健康,表现,福利和尸体质量构成重大风险.
- 了解当前的行业实践和看法对于有效减轻热应激至关重要.
研究的目的:
- 确定料场经营者,兽医和营养学家使用的减热策略.
- 评估人们对这些战略对牛的影响的看法.
- 量化极端热事件的频率,并确定行业对热应激管理的需求.
主要方法:
- 一项通过行业协会分发的在线调查.
- 关于56个回复的描述性统计数据 (操作人员,兽医,营养学家).
- 关于战略有效性和需求的自由响应数据的专题分析.
主要成果:
- 大多数受访者使用减热策略;改变处理/运输时间被认为是最有效的.
- 大多数人同意热应激对牛的健康,表现和福利产生负面影响.
- 75%的牛群因极端高温而死亡;养基础设施和水/料管理被确定为需要改进的关键领域.
结论:
- 业内专业人士积极采用减热策略,其中运营调整很突出.
- 热应激对牛有重大影响,导致损失,强调需要改进管理和基础设施.
- 进一步的研究和关于战略有效性的数据是行业的关键需求.
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