作为肉牛替代料资源的蒸谷物:全面审查
Gercino Ferreira Virgínio Júnior1, Kalista Eloisa Loregian1, Danilo Domingues Millen1
1Sao Paulo State University (UNESP), Jaboticabal, Brazil.
Animal bioscience
|November 20, 2025
概括
蒸谷 (DG) 是肉牛的有价值的料成分,提高了料效率并降低了成本. 总局的战略性使用提高了料区系统的可持续性和利能力.
科学领域:
- 动物科学动物科学
- 农业经济学 农业经济学
- 环境科学 环境科学
背景情况:
- 蒸机的谷物 (DG),包括湿的 (WDG),干的 (DDG) 和用可溶剂干的 (DDGS),是乙醇生产的副产品.
- 它们提供高消化能量的蛋白质和功能性纤维,对肉牛的饮食有益.
研究的目的:
- 审查使用GD在料区系统中的营养,生产,环境和经济影响.
- 评估总局对温带和热带地区的影响.
主要方法:
- 文献综述综合了关于DG在肉牛养中的利用现有知识.
- 分析营养特征,生长表现,尸体特征和经济因素.
主要成果:
- 适度的 DG 纳入 (15-30% DM) 提高了料效率,降低了成本,但没有对业绩产生负面影响.
- 它可以稳定食者发酵并降低酸性疾病的风险,但需要谨慎的配方来管理提取物和硫含量.
- 在环境方面,总局回收乙醇副产品,但需要管理和排泄.
- 从经济角度来看,GD提高了乙醇工厂附近的料区利能力,这取决于市场和运输成本.
结论:
- 蒸机的谷物是有效的,具有成本效益和对环境负责任的牛肉生产料成分,当战略性地纳入时.
- 在加工和精密料方面的进步提高了GD的适用性.
- 未来的研究应该集中在营养特征,特定阶段的含量和可持续生产的整合上.
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