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Table 10 The relative abundances of microbiota at phyla level and Firmicutes/Bacteroidetes ratio in feces of sows during gestation (%)

From: Inclusion of purified dietary fiber during gestation improved the reproductive performance of sows

 ItemGestation StageDietsSEMP-value
Day 30Day 60Day 90Day 110CONDF1DF2DF3DF4DF5StageDietsS × DLinearQuadratic
Bacteroidetes10.67a15.76b21.09a20.63a16.6615.6418.0018.0017.5616.351.9< 0.010.41< 0.010.800.43
Euryarchaeota1.06b2.02a2.09a1.86ab2.470.701.722.001.612.< 0.010.560.57
Tenericutes3.47a3.21a2.53b1.92b2.943.282.532.382.782.780.37< 0.010.15< 0.010.780.19
Actinobacteria0.35b0.37b0.6ab0.87a0.420.470.490.580.770.550.22< 0.010.510.120.650.06
Acidobacteria0.02b0.01b0.06b0.3a0.02b0.02b0.02b0.06ab0.29a0.16ab0.17< 0.01< 0.01< 0.010.0170.07
Planctomycetes0.14b0.16b0.17b0.32a0.< 0.010.31.< 0.010.300.33
Verrucomicrobia0.550.650.580.740.470.60.680.760.660.610.< 0.01
Fibrobacteres0.03b0.05b0.1ab0.17a0.< 0.010.870.0300.520.73
8.29a5.35b3.39ab3.31a5.055.584.954.545.464.931.27< 0.010.28< 0.010.830.95
  1. Data are expressed as mean ± largest SEM. Sows were regarded as the experimental units, n = 6 for each treatment. a, b, c denote P < 0.05. CON, basal corn-soybean diet; DF1, wheat bran-rich diet; DF2, DF3, DF4 and DF5 were wheat bran diet supplemented with 1%, 2%, 3% and 4% of FIBER MIX (guar gum and cellulose, 1:4) at the expense of wheat bran. Linear contrasts (OPC) analysis was used to test the linear and quadratic effects of dietary fiber levels on microbial parameters of sows