在饮食中添加BCH0对肉生长性能,组织结构和肠道微生物群的影响
Zhili Niu1, Linbao Ji1, Yucheng Zhang1
1College of Animal Science and Technology, China Agricultural University, Beijing 100193, China.
Animals : an open access journal from MDPI
|May 14, 2025
概括
补充Bacillus coagulans BCH0可以通过增强营养吸收和修改肠道微生物群来改善 brojler 的生长性能和肠道健康. 这项研究阐明了其在家禽营养中的有效性背后的机制.
科学领域:
- 动物科学动物科学
- 微生物学 微生物学
- 基因组学就是基因组学.
背景情况:
- 凝血菌 (B. coagulans) 是一种益生菌,对动物生长有潜在的益处.
- 通过B.coagulans提高 brojler性能的特定机制尚未完全理解.
研究的目的:
- 为了研究饮食中的B.凝血素BCH0对肉生长,肠道形态,肠道微生物群和内皮基因表达的影响.
- 为了阐明B. coagulans BCH0在Arbor Acres肉中的作用机制.
主要方法:
- 一个为期42天的养试验,使用200只Arbor Acres肉,比较对照饮食与补充B. coagulans BCH0 (1 × 10^9 CFU/kg) 的饮食.
- 分析包括生长表现,十二指肠和肠形态,肠道微生物群组成 (16S rRNA测序) 和肠转录组学 (RNA-Seq).
主要成果:
- B. 凝固剂 BCH0显著增加了体重和平均每日增益,同时降低了料与增益比率.
- 肠道形态学显示了十二指肠和大肠中的状的高度增加.
- 微生物群分析显示了类 (增加Firmicutes,减少Actinobacteriota) 和属 (增加Lactobacillus,减少Romboutsia) 的变化.
- 转录学确定了高调节的营养同化途径,包括碳水化合物,矿物质,脂肪和蛋白质的消化/吸收.
结论:
- 饮食B.coagulans BCH0通过改善营养同化和肠道结构来提高 brojler 的生长性能.
- 肠道微生物群的调节和营养代谢基因的上调是关键机制.
- B. coagulans BCH0是一种有前途的可持续微生物添加剂,用于家禽生产.
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