纯种泽布品种对生长表现和尸体特征的影响
Jonatã Henrique Rezende-de-Souza1, Nara Regina Brandão Cônsolo2, Leonardo de Oliveira Fernandes3
1Department of Engineering and Food Technology, School of Food Engineering, University of Campinas, Campinas 13083-862, Brazil.
Animals : an open access journal from MDPI
|October 29, 2025
概括
泽布牛种表现出多样化的生长和尸体特征. 虽然布拉汉牛在肌肉方面表现出色,但辛迪牛提供高效的料转换和竞争性肉类产量,突出了特定品种的生产潜力.
科学领域:
- 动物科学动物科学
- 牛肉牛生产 牛肉牛生产
- 动物生理学的比较研究
背景情况:
- 泽布牛对全球牛肉生产至关重要,特别是在热带地区.
- 了解特定品种的表现对于优化牛肉供应链至关重要.
- 泽布品种中的遗传多样性为定制的生产系统提供了机会.
研究的目的:
- 为了比较四种泽布牛品种的生长性能和尸体特征:布拉汉,古泽拉特,辛迪和塔巴普瓦.
- 评估不同品种的料摄入量和料转换效率.
- 确定相关的品种特征,以提高巴西的牛肉生产.
主要方法:
- 研究了106只年轻的完整的雄性泽布牛 (布拉汉,古泽拉特,辛迪,塔巴普瓦).
- 动物在牧场上养了280天,随后是130天的养场结束期.
- 评估了生长,料摄入量,尸体超声波和屠宰后的特征.
主要成果:
- 辛迪牛的体重和料摄入量较低,但表现出高效的料转化,与古泽拉特相比.
- 布拉曼牛表现出最大的肋眼面积和最高的尸体重量.
- 尽管身体较低的发育,辛迪牛显示有利的尸体产量和可用的肉含量.
结论:
- 品种特定的管理策略对于优化牛肉生产至关重要.
- 像Brahman这样的更重的品种适合肌肉沉积,而像Sindhi这样的更轻的品种则提供料效率.
- 这些发现支持巴西在全球肉类市场的竞争力,通过知情的品种选择.
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