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Table 2 Fecal pH, fecal concentration of lactic acid, ammonia, short-chain fatty acids, and branched-chain fatty acids of cats fed with increasing levels of YAM

From: Effects of Saccharomyces cerevisiae cell wall addition on feed digestibility, fecal fermentation and microbiota and immunological parameters in adult cats

  Dietsc  
Item CD SEMd YAM 0.3 SEMd YAM 0.6 SEMd p-value
pH 6.00 0.14 5.94 0.12 6.08 0.11 0.756
Lactic acid, μmol/kg of DM 1.36a 0.34 3.42b 0.84 4.24b 1.01 0.004
Ammonia, μmol/kg of DM 140.26 21.87 133.75 10.85 163.33 12.76 0.286
Short-chain fatty acids, μmol/kg of DM
 Acetic acid 66.82 11.49 92.92 12.80 66.59 10.15 0.216
 Propionic acid 32.47 6.19 27.08 4.37 30.38 5.23 0.782
 Butyric acid 24.50 7.41 40.29 12.30 24.84 5.69 0.545
 Total short-chain fatty acids 123.79 22.26 160.29 21.05 121.81 14.57 0.329
Branched-chain fatty acids, μmol/kg of DM
 Valeric acid 9.86 2.67 14.40 2.70 12.63 2.79 0.514
 Isobutyric acid 2.31 0.32 2.30 0.41 2.71 0.34 0.694
 Isovaleric acid 2.39b 0.50 1.85a 0.25 2.98b 0.47 0.014
 Total branched-chain fatty acids 15.10 3.35 17.06 2.99 16.50 3.08 0.673
  1. a–b Values in the same row with different superscripts differ significantly
  2. cDiets: CD (control diet); YAM 0.3 (control diet containing 0.3% yeast with active metabolites); YAM 0.6 (control diet containing 0.6% yeast with active metabolites)
  3. dSEM standard error of the mean