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饮食酵母β-葡萄糖对在热应激下哺乳母猪的影响

Elick Kinara¹, Joseph Moturi¹, JunYoung Mun¹

¹Department of Animal Industry Convergence, Kangwon National University, Chuncheon 24341, Korea.

Journal of animal science and technology

|February 20, 2025

概括

饮食酵母β-葡萄糖补充剂有效地减轻哺乳母猪的热应激. 这改善了料摄入量和小猪生长性能,同时降低了炎症标志物和皮质醇水平.

科学领域:

动物科学动物科学
动物营养动物营养
免疫学免疫学免疫学

背景情况:

热应激 (HS) 对哺乳母猪的健康和生产力产生负面影响.
管理HS对于最佳的猪产量至关重要,尤其是在夏季.
目前正在探索饮食策略,以减轻家畜的HS影响.

研究的目的:

评估饮食酵母β-葡萄糖 (BG) 在减轻哺乳母猪的热应激中的有效性.
评估BG补充对生理学,生产力和免疫学参数的影响.

主要方法:

30只哺乳母猪被分为三个组:对照 (CON),0.05%BG (BG5) 和0.10%BG (BG10).
猪被暴露在夏季炎热的条件下.
测量包括呼吸速率,料摄入量,小猪断奶体重,头发皮质醇,TNF-α和血清LPS.

主要成果:

酵母β-葡萄糖显著降低了母猪的呼吸率和头发皮质醇度.
与CON相比,BG10组的平均每日料摄入量和小猪断奶体重在BG10组有所改善.
瘤坏死因子-α和脂多糖类水平在补充BG的组中明显较低.

结论:

饮食酵母β-葡萄糖对哺乳母猪减轻热应激有积极影响.
在热应激期间,BG补充改善了料摄入量,生长性能和免疫状态.
酵母β-葡萄糖是一种有前途的料添加剂,用于减轻猪的HS.

关键词:

皮质醇是一种皮质醇.炎症炎症是一种炎症.垃圾的性能垃圾的性能氧化应激是一种氧化应激.瘤死亡因子-α

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