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Table 5 Effects of dietary Fps:Cps and FA supplementation (0 or 24 g/d) on the relative abundances of rumen bacteria

From: Effects of fumaric acid supplementation on methane production and rumen fermentation in goats fed diets varying in forage and concentrate particle size

Items Low-Fps:Cps High-Fps:Cps   P-value
FA, g/d 0 24 0 24 SEM Fps:Cps FA (Fps:Cps) × FA
Total bacterial abundance, × 10−4
 Methanogens 15.11 12.37 15.84 12.67 0.699 0.711 0.036 0.875
F. succinogenes 89.26 86.72 81.61 91.17 4.493 0.861 0.703 0.511
R. flavefaciens 2.10 2.03 1.81 2.14 0.121 0.725 0.611 0.443
S. ruminantium 8.21 8.72 7.79 8.36 0.261 0.467 0.312 0.965
B. fibrisolvens 4.07 3.87 5.36 4.84 0.233 0.014 0.408 0.711
  1. FA fumaric acid, Fps:Cps ratio of forage particle size: concentrate particle size, SEM pooled standard error of the means
  2. Data are expressed as a fraction of the total bacterial 16S rDNA