酵母混合物补充剂调节了断奶猪便微生物群和阴茎形态
S Sandrini1, V Perricone1, P Cremonesi2
1Department of Veterinary Medicine and Animal Sciences (DIVAS), University of Milan, Via dell'Università 6, 2600 Lodi, Italy.
Animal : an international journal of animal bioscience
|August 17, 2024
概括
一种酵母混合物通过增强有益细菌和肠道形态来改善断奶后小猪的肠道健康. 这种食补充剂对便的一致性和肠道屏障功能产生了积极的影响.
科学领域:
- 动物科学动物科学
- 微生物学 微生物学
- 胃肠病学 胃肠病学
背景情况:
- 断奶后的小猪很容易受到肠道疾病的干扰.
- 已知酵母菌株可以调节肠道微生物群和健康.
- 一种特定的酵母混合物对小猪肠道健康的影响需要详细的研究.
研究的目的:
- 评估酵母混合物 (Kluyveromyces marxianus fragilis,Pichia guilliermondii,Saccharomyces cerevisiae) 对断奶小猪肠道健康参数和生长表现的影响.
- 为了分析在酵母混合物补充后便微生物群组成和阴茎形态的变化.
主要方法:
- 48只小猪在28天内被食基本饮食,包括或不含酵母混合物.
- 监测了生长性能,便一致性和微生物群.
- 评估了状体形态,粘素概况和细胞增殖/分化标志物.
主要成果:
- 酵母混合物补充改善了便的一致性,增加了有益细菌 (Bifidobacterium,Coprococcus 2) 的丰富性,同时减少了有害细菌 (Clostridium Sensu Stricto 1).
- 在补充的小猪群中,观察到状小猪的高度,小猪的宽度和洞穴深度显著增加.
- 在接受酵母混合物的小猪的阴囊上发现了更高的PAS阳性粘真菌的存在.
结论:
- 测试的酵母混合物对断奶后小猪的肠道健康产生了积极的影响.
- 补充剂增强有益的肠道微生物群,改善肠道形态.
- 酵母混合物显示出作为支持年轻猪肠道健康的战略的潜力.
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