Microbial community and short-chain fatty acid profile in gastrointestinal tract of goose
文献类型： 外文期刊
作者： Yang, H. 1 ; Xiao, Y. 2 ; Gui, G. 2 ; Li, J. 4 ; Wang, J. 1 ; Li, D. 1 ;
作者机构： 1.China Agr Univ, Coll Anim Sci & Technol, State Key Lab Anim Nutr, Beijing 100193, Peoples R China
2.Zhejiang Acad Agr Sci, Inst Qual & Standard Agroprod, Hangzhou 310021, Zhejiang, Peoples R China
3.China Agr Univ, Beijing Adv Innovat Ctr Food Nutr & Human Hlth, Beijing 100193, Peoples R China
4.Zhejiang Acad Agr Sci, Anim Husb & Vet Inst, Hangzhou 310021, Zhejiang, Peoples R China
关键词： goose; gastrointestinal tract; microbial composition; short-chain fatty acids; 16S rRNA gene
期刊名称：POULTRY SCIENCE （ 影响因子：3.352； 五年影响因子：3.679 ）
ISSN： 0032-5791
年卷期： 2018 年 97 卷 4 期
页码：
收录情况： SCI
摘要： Goose is an economically important herbivore waterfowl supplying nutritious meat and eggs, high-quality liver fat, and feathers. However, bio-geograhpy of the gut microbiome of goose remains limited. The aim of this study was to investigate the microbiota inhabiting 7 different gastrointestinal locations (proventriculus, gizzard, duodenum, jejunum, ileum, cecum, and rectum) of 180-day-old geese and the short-chain fatty acids (SCFA) of their metabolites based on 16S rRNA gene sequences and gas chromatography, respectively. Consequently, 3,886,340 sequences were identified into 29 phyla and 359 genera. Proteobacteria, Firmicutes, Bacteroidetes, Cyanobacteria, and Actinobacteria were the major phyla, in which Bacteroidetes (28%) and Fusobacteria (0.8%) in the cecum were significantly higher than those in other sections (similar to 4.4 and 0.1%, respectively). In addition, Cyanobacteria in the gizzard (4.9%) was significantly higher than those in other gut sections except the proventriculus (2.4%). At the genus level, Bacteroides was the most dominant group in the cecum at 23.7%, which was much more than those in the 6 other sections (less than 4.6%). Moreover, Faecalibacterium and Butyricicoccus were significantly high in the cecum (P < 0.05). Results of SCFA showed that acetic and butyric acids in the cecum were significantly higher than those in the 6 other sections (P < 0.05); this result was consistent with the high abundance of Bacteroides, Faecalibacterium, Prevotella, and Butyricicoccus in the cecum. Additionally, isobutyric, isovaleric, and valeric acids were found only in the cecum. The different microbial compositions among the 7 gastrointestinal locations might be a cause and consequence of gut functional differences. All these results could offer some information for future study of the relationship between gastrointestinal microbiota and the ability of fiber utilization and adaptability.
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