关于后生物质对肉生长表现和肠道形态学影响的元分析
Roshan Riaz1, Hafz Muhammad Nouman2
1Department of Animal Nutrition and Nutritional Diseases, Faculty of Veterinary Medicine, Kafkas University, Kars, Turkey. roshan.riaz@kafkas.edu.tr.
Probiotics and antimicrobial proteins
|November 15, 2025
概括
后生物药物作为肉抗生素增长促进剂的替代品显示出希望,积极影响生长指标,如平均每日增长 (ADG) 和体重 (BW). 然而,它们对肠道健康和整体一致性的影响需要进一步研究.
科学领域:
- 动物科学动物科学
- 微生物学 微生物学
- 营养科学 营养科学
背景情况:
- 抗生素增长促进剂 (AGPs) 在畜牧业中越来越受限制.
- 后生物质正在成为肉生产中AGP的潜在替代品.
- 之前对 brojlers 的后生物质的研究已经产生了关于生长性能和肠道健康的不一致的结果.
研究的目的:
- 系统地评估后生菌对肉生长表现 (ADG, BW, FI, FCR) 和肠道形态 (VH, CD) 的影响.
- 确定影响后生物药物疗效的因素,如类型,剂量和输送方法.
- 评估后生物质作为肉养殖中AGP的替代品的潜力.
主要方法:
- 在2015年至2025年间发表的30项研究进行了元分析,来源于PubMed,Scopus和Web of Science.
- 使用Cohen的d计算效果大小,通过Cochran的Q测试评估异质性,使用漏斗图和Egger的测试评估出版偏差.
- 根据后生物类型,样本大小和肉年龄进行了子组分析.
主要成果:
- 后生物药物显著改善了 brojlers 的平均每日增长 (ADG) 和体重 (BW),特别是基于细菌的配方 (例如, Lactiplantibacillus plantarum, Bacillus subtilis).
- 发酵后生物质对料摄入有积极影响 (FI).
- 后生菌对肠道形态 (高度,密室深度) 的影响在研究中不一致,观察到显著的异质性.
结论:
- 后生物质证明了作为AGP的替代品的潜力,显示了对 brojler生长性能的好处.
- 对肠道健康和整体变异性的不一致影响强调了对标准化后生物应用协议的需求.
- 进一步的研究对于优化后生物策略至关重要,以持续改善家禽生产率和肠道健康.
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