饮食中含有的蒙莫里龙石补充剂改善了断奶小猪的生长性能,腹,肠道屏障功能和调节肠道微生物群
Mingxing Huang1, Jiang Yi1, Hua Chen2
1Jiangxi Province Key Laboratory of Animal Nutrition, College of Animal Science and Technology, Jiangxi Agricultural University, Nanchang 330045, China.
Animals : an open access journal from MDPI
|December 9, 2023
概括
低剂量含的蒙莫里隆石 (Zn-MMT) 有效地预防断奶小猪的腹,与常规氧化 (ZnO) 的益处相匹配. 这项研究表明,Zn-MMT改善了生长,肠道健康和微生物群平衡,提供了一个有前途的替代方案.
科学领域:
- 动物科学动物科学
- 营养科学 营养科学
- 兽医医学 兽医医学 兽医医学
背景情况:
- 断奶的小猪经常患腹,影响生长和健康.
- 传统的氧化 (ZnO) 用于预防腹,但需要高剂量.
- 为了优化小猪的营养,探索含蒙莫里隆石 (Zn-MMT) 等替代品至关重要.
研究的目的:
- 为了研究低剂量含的蒙莫里隆石 (Zn-MMT) 作为高剂量ZnO的替代品,用于预防断奶小猪的腹的疗效.
- 为了比较Zn-MMT和ZnO对生长性能,肠道屏障功能,抗氧化状态和肠道微生物群组成的影响.
- 评估Zn-MMT在改善整体健康和减少断奶小猪的炎症反应方面的潜力.
主要方法:
- 180只断奶小猪被分为三个组:对照组 (CT),Zn-MMT (ZM) 和ZnO (ZO).
- 分析了生长性能 (ADG),腹率,血清和结肠粘膜的抗氧化活性 (T-AOC,SOD,MDA),炎症细胞因子 (IFN-γ,TNF-α,IL-1β,IL-6,IL-10) 和肠道屏障标记物 (DAO,LPS,TLR-4,克劳丁2,Pbd1,MUC2).
- 使用16S rRNA基因测序评估了体和体肠道微生物群的组成.
主要成果:
- 与对照组相比,Zn-MMT和ZnO组的平均每日增益 (ADG) 显著增加,腹率降低.
- 增强了抗氧化活性,并在养Zn-MMT或ZnO的猪中降低了MDA水平.
- 补充Zn-MMT和ZnO调节炎症反应,改善肠道屏障完整性标记物和改变肠道微生物群组成,Zn-MMT的疗效与ZnO相当.
结论:
- 低剂量Zn-MMT是高剂量ZnO的可行替代品,可以改善断奶小猪的生长性能和减少腹.
- Zn-MMT有效地提高抗氧化剂状态,加强肠道屏障,并积极调节肠道微生物群.
- 食Zn-MMT在促进小猪健康和发育方面提供了与ZnO相似的好处,表明其作为功能性料添加剂的潜力.
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