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Table 4 Effects of soluble starch concentrations and pH on the specific activity of LDH and α-AMY, and FDP concentrations

From: Relative significances of pH and substrate starch level to roles of Streptococcus bovis S1 in rumen acidosis

Items

PH

Concentration (g/L)

MeanpH

SEMTotal

P pH

P c

P pH×c

1

3

9

LDH (U/L)1

6.5

1.09

2.71

3.83

2.54b

0.906

<0.001

0.007

0.550

5.5

4.60

5.87

8.90

6.46a

MeanC

2.85b

4.29b

6.37a

 

α-AMY (U/L)1

6.5

38.52

52.81

59.74

50.36b

3.610

<0.001

<0.001

0.027

5.5

59.90

59.26

88.47

69.21a

MeanC

49.21b

56.04b

74.10a

 

FDP (mM/L)2

6.5

24.92

30.68

33.38

29.66a

0.832

0.032

<0.001

0.371

5.5

23.29

27.81

32.94

28.01b

MeanC

24.11c

29.24b

33.16a

 
  1. 1Activity (U/L) per 107 cells break down in 1 mL medium
  2. 2Concentration (mM/L) per 107 cells break down in 1 mL medium
  3. a, b, cMeans different superscripts differ significantly (P < 0.05)