阿斯塔丁补充剂通过调节过度养的佩金的肠道微生物群和代谢学来提高尸体性能,肉质和肠道屏障功能
Xueze Lv1, Uchechukwu Edna Obianwuna2, Liang Wang3
1College of Veterinary Medicine, China Agricultural University, Beijing 100193, China; Beijing General Animal Husbandry Station, Beijing 100107, China.
Poultry science
|May 29, 2025
概括
食阿斯塔克桑 (AST) 补充剂改善了过度养的佩金的尸体特征和肠道健康. AST增强了肌肉组成,增强了有益的肠道细菌和调节的代谢物,促进了家禽的整体健康.
科学领域:
- 动物科学动物科学
- 营养生物化学 营养生物化学
- 微生物学 微生物学
背景情况:
- 素 (AST) 是一种强大的抗氧化剂,因其提高家禽生产的潜力而闻名.
- 北京的过度养会对体特征和肠道健康产生负面影响.
- 了解AST对新陈代谢和肠道微生物群的影响对于优化家禽养殖至关重要.
研究的目的:
- 为了研究食阿斯塔山丁补充剂对体特征,肌肉组成,肠道屏障功能,肠微生物群和过度养的佩金的代谢学的影响.
- 确定AST的最佳剂量,以改善家禽生产指标.
- 阐明AST调节肠道健康和新陈代谢的机制.
主要方法:
- 一项为期42天的养试验,涉及150只佩金,分为五组:对照组,低剂量AST (40毫克/公斤),中剂量AST (80毫克/公斤),高剂量AST (120毫克/公斤) 和任意养组.
- 对尸体特征,乳腺肌肉组成 (氨基酸,脂肪酸),血清生物化学参数和肠道屏障功能标记物 (NO,内毒素,D-乳酸盐,基因表达) 的分析.
- 16S rRNA基因测序用于脏微生物群分析和血清和脏样本的非向代谢学,随后进行相关性分析.
主要成果:
- 补充AST显著改善了活体和尸体重量,增加了乳腺肌肉质量 (HDG),并促进了皮下脂肪沉积 (MDG).
- AST增强了乳腺肌肉的氨基酸概况和脂肪酸成分,降低了血清胆固醇 (LDL,总量),同时增加了HDL,并改善了肠道屏障完整性.
- 微生物群分析显示,细菌菌,细菌菌和细菌菌的增加,肠道完整性和特定细菌 (韦塞拉,乳酸菌) 之间的有益关联. 代谢学揭示了诸如甘氨酸脂和酸盐代谢等途径的丰富性,其中关键代谢物如5-甲基乙酸和甘氨酸的上调.
结论:
- 食阿斯塔克桑有效地改善了过度养的佩金的尸体特征和肌肉质量.
- AST增强了肠道屏障功能,调节了肠道微生物群的组成,有助于改善肠道健康.
- 这些发现表明,阿斯塔克桑具有通过微生物群和代谢调节优化家禽生产的巨大潜力.
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