肉牛的孕产妇过度营养:对胎儿编程,代谢健康和产后结果的影响
Borhan Shokrollahi1, Myungsun Park1, Gi-Suk Jang1
1Hanwoo Research Center, National Institute of Animal Science, Pyeongchang 25340, Republic of Korea.
Biology
|June 26, 2025
概括
在肉牛中平衡孕产妇营养是关键. 怀孕期间的最佳养可以改善小牛的发育和生产力,而过度养会对肉质和健康产生负面影响.
科学领域:
- 动物科学动物科学
- 营养生理学 营养生理学
- 生殖生物学 生殖生物学
背景情况:
- 孕产妇的营养显著影响肉牛的胎儿发育,影响产后生产力.
- 现代牛肉生产往往涉及过度养奶牛,引发了对可持续性和动物福利的担忧.
- 了解妊娠期间的营养平衡对于优化牛肉生产系统至关重要.
研究的目的:
- 审查母亲过度营养和有针对性的补充对肉牛胎儿发育的影响.
- 评估不同妊娠阶段的宏观营养素和微量营养素对后代特征的影响.
- 讨论与孕产妇饮食有关的表观遗传机制和性别特异性编程.
主要方法:
- 综合关于母婴营养和肉牛胎儿编程的最新科学文献.
- 专注于宏观营养素 (能量,蛋白质,) 和微量营养素 (,).
- 对胎儿组织发育,免疫功能和代谢编程的影响的分析.
主要成果:
- 孕期中期的补充可以增强肌肉生长;孕期晚期的饮食可以改善尸体的特征.
- 孕产妇过度营养会对线粒体效率,肉的柔软性产生负面影响,并促进脂肪沉积.
- 观察到性别特定的编程,肠道微生物组的改变,以及对母亲饮食的反应中的品种差异.
结论:
- 有针对性的补充 (甲氨酸,微量矿物质) 可以改善抗氧化能力,免疫力和生殖能力.
- 精确养策略可以优化效率并减少过度养风险.
- 没有过度养的营养充足支持动物福利,利能力和可持续的牛肉生产.
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