早期食Limosilactobacillus fermentum对 brojlers生长表现和肠道发育的影响
Zelin Guo1, Ling Zhang1, Wenguang Lu1
1College of Animal Science and Technology, Anhui Agricultural University, Hefei, Anhui 230036, China.
Poultry science
|November 16, 2025
概括
早期的Limosilactobacillus发酵补充剂显著改善肉生长和肠道健康. 从第1天到第7天的持续补充剂在体重,料摄入量和肠道发育方面产生了最佳结果.
科学领域:
- 动物科学动物科学
- 微生物学 微生物学
- 禽类的营养 养
背景情况:
- 益生菌越来越多地用于动物料,以提高健康和性能.
- Limosilactobacillus fermentum 是一个有前途的益生菌菌株用于家禽.
- 优化补充策略对于最大限度地提高益生菌疗效至关重要.
研究的目的:
- 评估不同Limosilactobacillus发酵补充时间对 brojiler生长和肠道健康的影响.
- 为了确定 brojlers 最有效的补充方案.
主要方法:
- 480只一天大的肉被分为四组:对照,单剂量,间歇性和持续补充Limosilactobacillus fermentum.
- 监测了生长表现 (体重,料摄入量,料转换率).
- 分析了肠道形态,基因表达 (OCLN,CLDN,ZO-1,MUC2),消化酶活性,挥发性脂肪酸 (VFA),肠道微生物群和分泌性免疫球蛋白A (SIgA).
主要成果:
- 持续补充 (III组) 显著改善了所有阶段的体重,平均每日增加和料转换率.
- 所有益生菌群体都显示了增强的小肠形态,高调的肠道屏障基因,增加的消化酶活性和调节的肠道微生物群.
- 持续补充在大多数参数中始终优于单次或间歇剂量.
结论:
- 化后早期补充Limosilactobacillus fermentum对肉生长和肠道健康产生积极影响.
- 在前7天内持续补充是提高肉性能和肠道完整性的最有效策略.
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