与肉牛尸体中伤相关的危险因素
Fabio Martins Guerra Nunes Dias1, Fredson Vieira E Silva2, André Guimarães Maciel E Silva3
1College of Animal Sciences and Food Engineering, University of São Paulo, Pirassununga 13635-900, SP, Brazil.
Animals : an open access journal from MDPI
|September 13, 2025
概括
伤影响了超过三分之一的肉牛尸体,老年雌性最容易受到影响. 较小的卡车和较长的运输距离增加了伤风险,特别是在圆形,后背和侧翼区域.
科学领域:
- 动物科学动物科学
- 食品科学 食品科学 食品科学
- 兽医公共卫生 兽医公共卫生
背景情况:
- 肉牛尸体中的伤是与屠宰前处理和运输有关的重要问题.
- 它影响动物福利和肉质,需要对有助于因素进行研究.
研究的目的:
- 在对巴西肉牛尸体的大规模分析中,确定与伤相关的关键因素.
- 了解动物人口统计,运输条件和伤患病率之间的关系.
主要方法:
- 从42,805个农场到巴西38个屠宰场的1940万头牛尸体的分析.
- 使用后勤回归模型来评估性别,年龄,运输距离和卡车级别对伤的影响.
- 伤的发生率和位置被系统地记录下来.
主要成果:
- 33.8%的尸体至少有一次伤.
- 年龄较大的动物和雌性动物的伤患病率更高.
- 较小的卡车和较长的运输距离与伤风险增加有关,观察到不同的区域模式.
结论:
- 调查结果强调需要改进运输物流和处理实践,以减轻肉牛的伤.
- 建议采取有针对性的干预措施,以减少伤的发生率,提高动物福利和肉质量.
- 该研究为巴西牛肉行业提供了有价值的数据,以解决尸体伤问题.
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