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研究注:在卵子和料中补充益生菌可以改善胚胎和幼的成长
Muhammed Shafeekh Muyyarikkandy1, Elza Mathew1, Deepa Kuttappan1
1Department of Animal Science, University of Connecticut, Storrs, CT 06269, USA.
Poultry science
|September 28, 2023
概括
在卵子中,益生菌的应用增强了胚胎和幼的生长. 在卵子和料中的益生菌 (IOIF) 的结合为层提供了最重要的生长益处.
科学领域:
- 禽畜科学 禽畜科学 禽畜科学
- 动物营养 动物营养
- 微生物学 微生物学
背景情况:
- 益生菌是用于家禽生长的常见料补充剂.
- 胚胎发育对于的长期健康和生产力至关重要.
- 目前益生菌的使用通常始于生产周期的晚期.
研究的目的:
- 研究益生菌对提高产母胚胎生长的疗效.
- 评估卵内和料中的益生菌应用对幼发育的影响.
- 为了确定最优的益生菌补充战略,用于早期的家禽生长.
主要方法:
- 在化前,使用益生菌尾酒 (Lactobacillus paracasei,L. rhamnosus) 或通过喷雾的控制溶液对肥沃的白色莱戈恩蛋进行了处理.
- 在关键发育阶段 (第7,10,14,18天) 分析胚胎的形态参数.
- 根据不同的益生菌应用方案 (仅在卵子中,仅在料中,组合) 评估了化能力,幼形状和随后的幼生长 (长达5周).
主要成果:
- 与对照组相比,在卵子中的益生菌应用显著改善了相对胚胎体重,冠状长,化能力和化重量.
- 改善的胚胎发育与增加的后生长相关,包括改善的冠状长度,长度,骨重量和母的体重.
- 持续的益生菌补充剂 (在卵子和料中,IOIF) 在所有治疗组中显示出最显著的增长促进作用.
结论:
- 在卵子中给予益生菌是一种可行的策略,可以提高早期胚胎发育和分层化质量.
- 结合卵内和料中的益生菌补充剂 (IOIF) 提供了协同效应,最大限度地促进从胚胎到幼早期的生长.
- 早期的益生菌干预,特别是通过卵子应用,可以积极影响后续生长,并可能改善产母的整体表现.
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