发酵英对肉的生产性能,肉质,免疫功能和肠道微生物群的影响
Jinju Mao1,2,3, Yuan Wang4,5,6, Ting Duan1,2,3
1College of Animal Science, Inner Mongolia Agricultural University, Hohhot, 010018, China.
BMC veterinary research
|September 29, 2023
概括
在 brojiler饮食中补充发酵 dandelion (FD) 增强了生长性能和免疫功能. 1000毫克/千克的剂量改善了生产和调节的肠道微生物群,表明FD.
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:
- 花具有作为料添加剂的潜力.
- 微生物发酵增强了 dandelion 的生物活性化合物释放.
- 发酵 dandelion (FD) 可能会改善肉的健康和表现.
研究的目的:
- 调查FD对 brojler生产绩效的影响.
- 评估FD对肉质和免疫功能的影响.
- 为了分析由于FD补充而导致的肠道微生物群组成的变化.
主要方法:
- 120个Arbor Acres肉被分为三个组:控制组,低FD (500毫克/公斤) 和高FD (1000毫克/公斤).
- 该实验持续了42天,收集了关于生长,免疫力,肉质和肠道微生物群的数据.
- 进行了统计分析,以确定治疗组之间的显著差异.
主要成果:
- 高FD组从1-21天增加了平均每日增益 (ADG).
- 食补充剂改变了免疫指数和血清细胞因子水平 (IFN-γ,TNF-ɑ).
- 微生物群分析显示了细菌类和属的变化,FD降低了多样性指数和特定细菌群,同时增加了其他细菌群.
- 肉类质量参数,包括腹部脂肪产量和乳腺肌肉颜色,都受到FD的影响.
- 乳腺肌肉中的catalase (CAT) 活性随着FD补充而增加.
结论:
- 饮食补充剂1000 mg/kg FD显著改善肉的表现和免疫功能.
- 在肉中,FD调节了乳腺微生物群的组成.
- 发酵英是一种有前途的料添加剂,可以提高肉的健康和生产力,其中1000mg/kg的剂量是最有效的.
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