评估从牧场调动并通过短途运输的水牛的热变化
Daniela Rodríguez-González1, Isabel Guerrero Legarreta2, Rosy G Cruz-Monterrosa3
1Master's Program in Agricultural and Livestock Sciences [Maestría en Ciencias Agropecuarias], Universidad Autónoma Metropolitana (UAM), Xochimilco Campus, Mexico City, Mexico.
Frontiers in veterinary science
|May 30, 2023
概括
运输水牛会增加身体各个区域的表面温度,这表明压力. 红外热图显示了热窗之间相关的显著温度变化,突出显示了搬运和装载对动物福利的影响.
科学领域:
- 动物科学动物科学
- 兽医医学 兽医医学 兽医医学
- 动物福利 动物福利
背景情况:
- 在运输过程中评估水牛的福利对于肉质和商业化至关重要.
- 运输过程中的压力因素可能会对水牛的健康和生产力产生负面影响.
- 需要使用非侵入性方法来评估动物在处理和运输期间的动物福利.
研究的目的:
- 在短期运输之前和之后评估水牛不同身体和头部区域的表面温度.
- 确定水牛在运输阶段各种热窗之间的相关性.
- 为了确定水牛对与运输相关的压力因素的生理反应.
主要方法:
- 红外热学 (IRT) 用于测量624只水牛 (Buffalypso品种) 的表面温度.
- 测量来自11个不同的热窗,跨越面和身体区域进行测量.
- 数据是在七个阶段收集的:牧场,放牧,圈养,降落式处理,运输,运输前和运输后.
主要成果:
- 热窗的表面温度在放牧,封锁,运输和运输后阶段显著增加 (高达5°C),而不是在道和道处理 (p < 0.0001).
- 在面,侧体和外围热窗之间观察到显著的温度差异 (≥1°C) (p < 0.0001).
- 在所有测量的热窗之间发现了强烈的正相关性 (r = 0.9,p < 0.0001).
结论:
- 雄牛的头面部和身体区域的表面温度随着运输阶段的变化而变化,这表明对诸如放牧和装载等压力因素的生理反应.
- 中央和外围热窗之间的强烈正相关性表明系统对运输相关压力的反应.
- 在短期运输活动期间,IRT是评估水牛福利和压力水平的宝贵工具.
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