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brojler对饮食中的不同酵母细胞壁成分的反应受到Salmonella typhimurium的挑战

Pinar Sacakli¹, Elsayed Mickdam², Alev Gurol Bayraktaroglu³

¹Department of Animal Nutrition & Nutritional Diseases, Faculty of Veterinary Medicine, Ankara University, Ankara, 06110, Turkey.

Veterinary research communications

|September 25, 2025

概括

饮食酵母细胞壁补充剂改善了肉的生长和肠道健康,即使受到沙门氏菌Typhimurium的挑战. 这种益生菌策略增强了体重,体重增加和肠道屏障功能.

科学领域:

动物科学动物科学
禽类的营养养
微生物学微生物学

背景情况:

沙门氏菌Typhimurium感染对肉的健康和表现构成重大挑战.
正在探索饮食干预措施,如益生菌补充剂,以减轻这些挑战.
酵母衍生产品以其调节肠道微生物群和免疫反应的潜力而闻名.

研究的目的:

评估不同饮食益生菌补充剂的疗效,包括酵母细胞壁,在受到沙门氏菌Typhimurium挑战的肉上.
评估这些益生菌对生长性能,肠道组织学和与肠道屏障相关的基因表达的影响.

主要方法:

两项实验涉及肉食用各种益生菌补充的饮食 (自解全酵母细胞,酵母细胞壁,mannan-oligosaccharides + β-glucan).
实验II包括一个沙门氏菌Typhimurium挑战.
分析了生长参数,阴和骨组织学 (骨高度,密室深度) 和基因表达 (克劳丁,IL-1β,IL-10,奥克卢丁).

主要成果:

用酵母细胞壁 (CELL组) 补充剂在两个实验中显著改善了最终的体重和体重增加.
肠道组织学显示出多种影响,其中一些益生菌影响了的高度和密室深度.
基因表达分析显示,与肠道屏障和免疫反应相关的基因发生了显著的变化.

结论:

饮食中的益生菌补充剂,特别是酵母细胞壁,对肉的表现和肠道健康产生积极影响.
酵母细胞壁补充剂增强了肠道屏障功能,并调节了受挑战的鸟类的免疫基因表达.
益生菌是一种有前途的策略,可以提高肉对肠道病原体的抵抗力.

关键词:

肉牛肉是什么意思益生菌益生菌益生菌短链脂肪酸短链脂肪酸短链脂肪酸在B-葡萄糖.

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