利用益生菌的能力对抗沙门氏菌和改善 brojlers的肠道健康
Patrícia Giovana Hoepers1, Pedro Lucas Figueiredo Nunes2, Hebreia Oliveira Almeida-Souza2
1Veterinary Medicine College, Federal University of Uberlândia, Uberlândia, Brazil.
Poultry science
|April 28, 2024
概括
益生菌通过改变肠道微生物群和代谢物,有效地减少 brojlers 中的海德堡沙门氏菌 (SH). 这为家禽的食品安全和健康提供了一个有希望的抗生素替代品.
科学领域:
- 禽畜科学 禽畜科学 禽畜科学
- 微生物学 微生物学
- 食品安全 食品安全
背景情况:
- 海德堡沙门氏菌 (SH) 对家禽的食品安全和公共健康构成风险.
- 减少家禽抗生素的使用是行业面临的一个重大挑战.
- 乳酸细菌 (LAB) 和Saccharomyces boulardii (SB) 等益生菌显示出控制沙门氏菌的潜力.
研究的目的:
- 评估LAB和SB在肉中对SH的体外和体内疗效.
- 为了研究益生菌对 brojler 便代谢物和阴微生物群的影响.
- 评估益生菌作为抗生素的替代品,用于控制沙门氏菌.
主要方法:
- 通过选择的益生菌菌株进行SH的体外抑制测定.
- 在体内挑战性研究中,用益生菌补充的 brojlers.
- 囊微生物群组成的元基因组学分析.
- 便代谢物质的分析.
主要成果:
- 一些LAB菌株 (Lactiplantibacillus plantarum,Lacticaseibacillus acidophilus) 在体外抑制了SH.
- 益生菌的使用显著降低了 brojler ceca.的SH水平.
- 益生菌调节了白内障微生物组合和改变了便代谢物概况.
- 有证据表明,在补充养的鸟类中,氧化应激和肠道炎症减少.
结论:
- 益生菌在减轻肉中的萨尔摩内拉海德堡菌种植的显著潜力.
- 益生菌补充剂对肉肠道健康,新陈代谢和微生物组产生积极影响.
- 这些发现支持益生菌作为禽畜生产中抗生素的可行替代品.
- 这项研究有助于提高食品安全和公共卫生标准.
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