用不同益生菌菌株培养的肉肠道微生物组概况
Julia Marixara Sousa da Silva1, Ana Maria De Souza Almeida1, Ana Carolina Borsanelli1
1Veterinary and Animal Science School, Federal University of Goiás, Goiania 74605-080, Goiás, Brazil.
Microorganisms
|August 29, 2024
概括
这项研究对肉肠道微生物群的益生菌和抗生素进行了评估. 与其他治疗方法相比,多种殖民菌株益生菌 (MCSPs) 显著改善了微生物丰富性和均性.
科学领域:
- 鸟类微生物学 鸟类微生物学
- 肠道微生物组研究研究
- 动物营养和健康动物营养和健康
背景情况:
- 肠道微生物群的组成显著影响鸟类的新陈代谢和功能.
- 了解这些微生物群落对于优化肉健康和表现至关重要.
- 益生菌和抗生素通常用于调节家禽的肠道菌群.
研究的目的:
- 评估三种不同的益生菌和一种抗生素对肉的乳房微生物群的影响.
- 为了比较正常鸟类肠道植物 (NAGF),多种殖民菌株益生菌 (MCSPs) 和非殖民单一菌株益生菌 (NCSSPs) 与对照组的影响.
- 分析微生物多样性和组成的变化.
主要方法:
- 一个为期42天的养试验,涉及1400只雄性科布肉.
- 实验组接受了基础饮食,并补充了抗生素 (恩拉米辛),NAGF,MCSP,NCSSP,或没有补充剂 (负对照).
- 用多样性指标 (α和β多样性) 分析了微生物组成的Ileal digesta样本.
主要成果:
- 与阳性对照,阴性对照和NCSSPs相比,MCSPs治疗导致了更大的微生物丰富性和均性.
- 负对照组的样本同质性高于NCSSPs组.
- MCSPs增加了 *Enterococcus * 属的丰度,而 NAGF 和 NCSSPs 改变了诸如 *Delftia * * Brevibacterium * * Bulleidia * * Ochrobactrum * * Rhodoplanes * * 和 * Nitrospira * * 的低丰度分类.
结论:
- 评估的治疗方法,包括益生菌和抗生素,有效地调节了 brojler chickens 中的乳腺微生物组合.
- 微生物多样性保护剂 (MCSP) 显示出提高微生物多样性和统一性的卓越能力.
- 特定的益生菌配方会影响鸟类肠道微生物群中的特定细菌属的丰富性.
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