牛肉中溶解脂和胰岛素补充剂对脂肪来源的依赖性影响:对性能,肌肉脂肪酸,消化能力,酶活性和肠道形态的影响
Mozafar Rahimpour1, Kamran Taherpour1, Hossein Ali Ghasemi2
1Department of Animal Science, Faculty of Agriculture, Ilam University, Ilam, Iran.
Poultry science
|February 4, 2026
概括
食溶解脂 (LPL) 和胰岛素补充剂可以优化肉产量. 低脂有益于基于脂的饮食,而胰岛素改善了基于大豆油的饮食,增强了生长和营养利用,从而提高了肉养殖的效率.
科学领域:
- 动物科学动物科学
- 营养科学 营养科学
- 禽畜科学 禽畜科学 禽畜科学
背景情况:
- 食乳化剂和益生菌可以提高肉生产中的营养利用率.
- 脂肪来源显著影响肉的表现和肉质.
研究的目的:
- 评估溶解脂 (LPL) 和胰岛素对 brojler 的性能,营养消化能力和肉质的影响.
- 调查肉饮食中脂肪来源,LPL和胰岛素之间的相互作用.
主要方法:
- 一项为期42天的研究,对800只雄性肉进行了8次治疗,2x2x2的因数设计.
- 饮食包括两种脂肪来源 (大豆油或牛脂),LPL (0或1g/kg) 和胰岛素 (0或1g/kg).
- 评估了生长性能,营养消化能力,肌肉脂肪酸组成,酶活性和肠道形态.
主要成果:
- 在以大豆油为基础的饮食中,胰岛素改善了生长和存活率;LPL和胰岛素相互作用,促进了料摄入量和增益料比率.
- 在基于脂油的饮食中,LPL增强了脂质消化能力和能量利用,改善了大腿肌肉脂肪酸概况 (较高的n-3 PUFA,较低的n-6/n-3比率).
- LPL增加了消化酶活性和十二指甲状腺小,而胰岛素改善了蛋白质消化能力和状小.
结论:
- Lysophospholipid (LPL) 在脂饮食中对 brojiler 脂质代谢和肉质量特别有益.
- 胰岛素增强了生长性能,特别是在以大豆油为基础的饮食中,为肉生产优化提供了一个实用的策略.
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