曼酶通过减轻肠表皮的炎症和改善肠道微生物群来改善 brojlers 的生长性能
Xiaodan Zhang1, Huiping Xu1, Lu Gong1
1State Key Laboratory of Animal Nutrition and Feeding, College of Animal Science and Technology, China Agricultural University, Beijing, 100193, China.
Animal nutrition (Zhongguo xu mu shou yi xue hui)
|February 19, 2024
概括
曼纳补充剂通过减少肠道炎症和增强营养利用来改善 brojler 的生长. 它对肠道微生物群和完整性产生了积极的影响,抵消了低能耗饮食的负面影响.
科学领域:
- 动物营养 动物营养
- 禽畜科学 禽畜科学 禽畜科学
- 胃肠病学 胃肠病学
背景情况:
- 基于大豆的饮食可以引发肉的肠道炎症.
- 低能耗饮食加剧肠道健康问题,影响生长性能和肠道形态.
- 了解曼南酶的作用对于减轻这些饮食引起的挑战至关重要.
研究的目的:
- 为了研究曼南酶对养肉以低能耗,以大豆粉为基础的饮食的肉肠道炎症的影响和机制.
- 评估曼南酶对生长性能,营养消化能力,肠道形态和肠道微生物群的影响.
- 为了阐明受肉肠中曼南酶影响的分子通路.
主要方法:
- 384个Arbor Acres肉被分为三个组:基础饮食,低能耗饮食和低能耗饮食.
- 饮食进行了42天,评估了生长性能,营养消化能力和肠道参数.
- 分析了基因表达 (NF-κB,CLDN1,ZO-1),短链脂肪酸 (SCFA) 和乳腺微生物群.
主要成果:
- 低能耗饮食增加了料转化率,降低了状的高度,并提高了状NF-κB表达的调节.
- 曼纳补充剂改善了体重,营养消化能力和肠道形态.
- 曼纳酶调节了肠道微生物群,增加了SCFA的产生,并积极影响了肠道屏障功能 (CLDN1,ZO-1).
结论:
- 曼纳减轻了饮食引起的肠炎症,并改善了 brojlers 的生长性能.
- 它增强营养利用,保持肠道屏障的完整性,并平衡肠道微生物群.
- 曼纳是一种有效的补充剂,可以抵消家禽生产中低能耗饮食的不良影响.
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