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Table 3 Comparison of the recovery rates of six standard strains by the two methods

From: The MBS microbial rapid detection system for rapid detection of major pathogenic bacteria in feed: comparison with plate counting method

Strainsa

Bacteria concentration

(cfu/mL)

PCM

(%)

MBS

(%)

E. coli

108

85.58 ± 7.22

87.92 ± 8.20

107

90.07 ± 6.63

95.23 ± 13.24

106

92.20 ± 8.54

96.61 ± 10.12

105

92.33 ± 10.99

97.45 ± 13.03

104

90.85 ± 13.90

88.82 ± 10.21

103

92.03 ± 15.35

98.42 ± 18.70

102

92.60 ± 11.81

91.25 ± 17.70

101

0

0

100

0

0

Sal

108

92.04 ± 6.75

90.76 ± 9.85

107

90.26 ± 6.12

89.53 ± 5.54

106

89.16 ± 3.42

87.19 ± 4.71

105

93.48 ± 8.81

89.98 ± 2.81

104

91.76 ± 10.18

90.67 ± 3.67

103

79.77 ± 12.46

87.72 ± 6.24

102

88.96 ± 6.44

88.60 ± 5.11

101

0

0

100

0

0

S. aureus

108

86.33 ± 12.63

94.99 ± 4.64

107

94.01 ± 7.66

91.70 ± 7.40

106

87.63 ± 8.37

89.95 ± 9.12

105

95.23 ± 8.86

96.32 ± 6.88

104

91.26 ± 12.97

95.77 ± 7.49

103

86.49 ± 16.48

92.82 ± 5.61

102

90.74 ± 3.42

93.55 ± 5.11

101

0

0

100

0

0

Listeria

108

92.37 ± 5.20

92.93 ± 5.35

107

92.69 ± 6.14

91.31 ± 5.61

106

84.15 ± 6.71

90.46 ± 2.92

105

90.70 ± 9.70

89.19 ± 5.41

104

90.86 ± 10.63

92.86 ± 8.93

103

83.05 ± 10.56

89.15 ± 9.21

102

83.58 ± 6.79

91.90 ± 9.44

101

0

0

100

0

0

COLI

108

96.36 ± 6.76

92.59 ± 7.09

107

96.58 ± 7.41

97.47 ± 7.48

106

95.06 ± 8.87

97.66 ± 8.11

105

92.80 ± 7.62

90.95 ± 8.01

104

87.44 ± 9.79

93.19 ± 3.70

103

94.08 ± 5.37

96.17 ± 5.83

102

89.19 ± 6.70

91.68 ± 3.30

101

0

0

100

0

0

TVC

108

94.17 ± 6.24

95.26 ± 2.61

107

92.83 ± 7.54

90.21 ± 6.06

106

94.98 ± 7.15

96.34 ± 6.98

105

87.09 ± 6.22

94.70 ± 6.69

104

89.38 ± 5.33

97.03 ± 8.86

103

90.44 ± 1.42

91.93 ± 2.35

102

90.17 ± 7.15

91.23 ± 6.34

101

0

0

100

0

0

  1. a E. coli Escherichia coli, Sal, Salmonella, S. aureus Staphylococcus aureus, Listeria Listeria monocytogenes, COLI Coliforms, TVC Total viable count