The digestive tract histology and geographical distribution of gastrointestinal microbiota in yellow-feather broilers
文献类型: 外文期刊
作者: Guo, Pingting 1 ; Lin, Shiying 1 ; Lin, Qingjie 1 ; Ye, Dingcheng 2 ; Liu, Jing 2 ;
作者机构: 1.Fujian Agr & Forestry Univ, Coll Anim Sci, Coll Bee Sci, Fuzhou 350002, Peoples R China
2.Fujian Acad Agr Sci, Inst Anim Husb & Vet Med, Fuzhou 350013, Peoples R China
关键词: yellow-feather chicken; intestinal morphology; microbial community
期刊名称:POULTRY SCIENCE ( 影响因子:4.4; 五年影响因子:4.4 )
ISSN: 0032-5791
年卷期: 2023 年 102 卷 10 期
页码:
收录情况: SCI
摘要: Exhaustive understanding of intestinal physiological characteristics is the critical precondition for the improvement of intestinal health and growth performance of yellow-feather broilers (YFB). As a vital part of gastrointestinal tract, the symbiotic, complex, and variable microbiota have a profound effect on the nutrition, immunity, health, and production of broilers. Hence, the development status of proventriculus, jejunum, and cecum, and spatial heterogeneity of bacterial community in crop, proventriculus, gizzard, jejunum, cecum, and rec-tum of adult YFB were detected in our study. The results revealed that proventriculus, jejunum, and cecum of broilers are well-developed based on morphological observation. The Chao and Shannon indexes in cecum and rec-tum are notably higher than other sections and their microbiota structure is also distinct from foregut. Firmicutes and Lactobacillus are the predominant phylum and genus in all gastrointestinal sections, respectively. As feature species of crop, Lactobacillus spp. mainly settle in foregut, whereas some Clostridia species (unclassified Lachnospiraceae, Faecalibacterium, Romboutsia and so on) are characteristic and more abundant in cecum and rectum. Interestingly, there are 2 Ruminococcus torques strains positively and negatively correlated with cecum development, respectively. In a whole, our findings reveal the specialized digestive physiology and regional distribution of intestinal microbiota in YFB, which provides a reference for the future study on the improvement of growth performance and intestinal development through micro -biota manipulation in yellow-feather broilers.
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