Patterns of community assembly in the developing chicken microbiome reveal rapid primary succession

Stephanie D. Jurburg*, Michael S.M. Brouwer, Daniela Ceccarelli, Jeanet van der Goot, Alfons J.M. Jansman, Alex Bossers

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

17 Citations (Scopus)

Abstract

The fine-scale temporal dynamics of the chicken gut microbiome are unexplored, but thought to be critical for chicken health and productivity. Here, we monitored the fecal microbiome of healthy chickens on days 1-7, 10, 14, 21, 28, and 35 after hatching, and performed 16S rRNA amplicon sequencing in order to obtain a high-resolution census of the fecal microbiome over time. In the period studied, the fecal microbiomes of the developing chickens showed a linear-log increase in community richness and consistent shifts in community composition. Three successional stages were detected: the first stage was dominated by vertically transmitted or rapidly colonizing taxa including Streptococcus and Escherichia/Shigella; in the second stage beginning on day 4, these taxa were displaced by rapid-growing taxa including Lachnospiraceae and Ruminococcus-like species variants; and in the third stage, starting on day 10, slow-growing, specialist taxa including Candidatus Arthrobacter and Romboutsia were detected. The patterns of displacement and the previously reported ecological characteristics of many of the dominant taxa observed suggest that resource competition plays an important role in regulating successional dynamics in the developing chicken gut. We propose that the boundaries between successional stages (3-4 and 14-21 days after hatching) may be optimal times for microbiome interventions.

Original languageEnglish
Pages (from-to)e00821
JournalMicrobiologyOpen
Volume8
Issue number9
DOIs
Publication statusPublished - 1 Sep 2019

Keywords

  • broiler
  • chicken microbiome
  • community assembly
  • fecal microbiome
  • primary succession

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