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Table 3 The relationship between BW and bacterial relative abundance in each section of the GIT

From: Relationship between the microbiota in different sections of the gastrointestinal tract, and the body weight of broiler chickens

  Crop Ileum Cecum
Abundance (%) r P Abundance (%) r P Abundance (%) r P
Phylum
 Actinobacteria 1.18 −0.65 0.003 0.95 0.08 0.729 1.05 0.00 0.990
 Bacteroidetes 13.93 0.66 0.002 22.15 0.30 0.192 30.49 <0.01 0.990
 Euryarchaeota 0.08 0.52 0.023 0.19 0.52 0.018 0.16 0.14 0.558
 Firmicutes 59.62 −0.21 0.392 64.15 −0.36 0.119 58.37 0.06 0.812
 Proteobacteria 7.89 −0.17 0.482 4.26 0.10 0.672 3.06 −0.17 0.472
 Spirochaetes 0.37 0.33 0.172 0.43 0.47 0.035 0.46 0.23 0.323
 Verrucomicrobia 0.09 0.30 0.208 0.06 −0.10 0.690 0.22 −0.41 0.073
Genus
 Akkermansia a 0.05 0.09 0.706 0.04 −0.51 0.023 0.08 −0.55 0.022
 Anaerovibrio 0.35 0.20 0.413 0.44 −0.20 0.398 0.29 −0.81 <0.001
 Bacteroides 4.22 0.54 0.016 7.54 0.05 0.834 12.59 −0.34 0.142
 Bifidobacterium 0.84 −0.64 0.003 0.61 0.49 0.029 0.77 0.01 0.981
 Faecalibacterium 1.14 0.65 0.003 1.47 0.23 0.335 4.62 0.32 0.164
 Lactobacillus 28.62 −0.39 0.099 30.81 −0.32 0.172 18.12 0.02 0.924
 Lactococcus 0.09 0.24 0.315 0.05 0.16 0.490 0.03 0.59 0.006
 Methanobrevibacter 0.08 0.52 0.024 0.16 0.56 0.010 0.15 0.18 0.435
 Prevotella 3.94 0.15 0.542 5.66 0.34 0.145 4.26 −0.59 0.006
 Ruminococcus 0.99 0.72 <0.001 1.24 0.08 0.746 1.85 −0.35 0.132
 Streptococcus 1.18 0.03 0.913 1.11 −0.81 <0.001 0.75 −0.06 0.787
  1. r is Pearson’s correlation coefficient
  2. aThree outliers were identified using Grubb’s test and removed from the cecum data