Introduction: Chinese indigenous chicken breeds are widely used as food in China but their slow growth rate and long farming cycle has limited their industrial production.
Methods: In the current study we examined whether the market weights of native chicken breeds were related to specific cecal bacteria, serum metabolites and inflammatory cytokines. We examined cecal bacterial taxa using 16S rDNA analysis along with untargeted serum metabolites and serum inflammatory cytokines.
Results: We found that the cecal microbiota could explain 10.1% of the individual differences in chicken weights and identified key cecal bacterial genera that influenced this phenotype. The presence of spp. improved growth performance via bovinic acid metabolism. In contrast, and had a negative effect on growth by inducing expression of the inflammatory cytokine IL-6.
Discussion: We were able to link specific bacterial genera with growth promotion in chickens and this study will allow further development of their use as probiotics in these animals.
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9995838 | PMC |
http://dx.doi.org/10.3389/fmicb.2023.1060458 | DOI Listing |
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