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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