贝卡林和酸对 brojlers 的生长性能,屠宰性能,抗氧化能力,免疫功能和肠道健康的影响
Xingbo Liu1, Yunru Ji1, Zhiguo Miao2
1State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, 100193, China.
Poultry science
|September 8, 2024
概括
用250毫克/千克的百加和酸 (BC) 补充 brojler 料提高了生长性能和肠道健康. 这种饮食补充改善了牛肉的抗氧化能力,肠道屏障功能和有益的肠道微生物群组成.
科学领域:
- 动物科学动物科学
- 营养科学 营养科学
- 微生物学 微生物学
背景情况:
- 肉生产面临着来自不理想的肠道健康和氧化应激的挑战.
- 贝卡林和酸 (BC) 是植物衍生化合物,具有潜在的健康益处.
研究的目的:
- 评估食补充百卡林和酸 (BC) 对肉生长,肠道健康,抗氧化剂状况,微生物群和新陈代谢的影响.
- 确定BC的最佳剂量,以提高 brojler 的性能.
主要方法:
- 720只肉被食基本饮食或补充250或400毫克/公斤BC的饮食40天.
- 通过16S rRNA测序评估生长性能,血清/质抗氧化剂指数,免疫球蛋白G,肠道形态,紧结基因表达和肠道微生物群.
- 代谢分析确定了受影响的途径.
主要成果:
- 250 mg/kgBC显著增加了60天的体重和平均每日增长.
- 补充BC增强了抗氧化能力 (增加了超氧化解突变酶,减少了甲基) 和免疫力 (增加了免疫球蛋白G).
- 改善了肠道形态,屏障功能 (上调的奥克卢丁,ZO-1;下调的IL-2,IL-8,IFN-γ),以及调节的肠道微生物群组成.
结论:
- 摄入250mg/kgBC的食补充剂对肉生长和肠道健康产生了积极的影响.
- BC调节肠道微生物群,增强抗氧化能力,改善粘膜代谢.
- 这些发现支持使用250 mg/kg BC作为改善 brojler性能和肠道健康的饮食策略.
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