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Table 2 Data summary of 15 cattle farms and their STEC prevalence

From: Prevalence, virulence potential, and pulsed-field gel electrophoresis profiling of Shiga toxin-producing Escherichia coli strains from cattle

Farm

Farm size

Hygiene of sawdusta

Diet

Location

No of visit

Temperaturec (°C)

Humidity

Rainb,c

Sampling date (YYYYMM)

No. of samples collected

No. of STEC isolates

Farm prevalence

ID (breed, serotype)e of STEC isolates

1

250

High

TMRd

Gapyeong

1

22.5

93.4

Yes

201208

8

0

0.00

 

2

60

Mid

TMR

Gapyeong

1

22.5

93.4

Yes

201208

10

0

0.00

 

3

60

Low

TMR

Gapyeong

1

22.5

93.4

Yes

201208

8

0

0.00

 

4

50

Low

Hay

Cheongpyeong

2

22.4

80.1

Yes

201208

9

4

44.44

0823-2 (D, O157), 0823-4 (D, O157), 0823-5 (D, O157), 0823-8 (D, O157)

     

21.4

78.6

Yes

201309

6

1

16.67

0909-5 (D, O157)

5

30

Low

TMR

Gapyeong

1

22.4

80.1

Yes

201208

7

0

0.00

 

6

40

High

TMR

Gapyeong

1

23.1

80.9

Yes

201208

9

0

0.00

 

7

160

High

TMR

Gapyeong

2

27.7

69

Yes

201208

10

9

90.00

0827-1 (D, O157), 0827-2 (D, O157), 0827-3 (D, O157), 0827-5 (D, O157), 0827-6 (D, O157), 0827-7 (D, O157), 0827-8 (D, O157), 0827-9 (D, O157), 0827-10 (G, O157)

     

20

98.9

Yes

201309

8

1

12.50

0911-3 (D, NT)

8

150

High

TMR

Gapyeong

1

27.7

69

Yes

201208

10

0

0.00

 

9

50

High

TMR

Gapyeong

1

27.8

63.8

Yes

201208

10

0

0.00

 

10

70

Low

TMR

Cheongpyeong

2

27.8

63.8

Yes

201208

10

0

0.00

 
     

21.4

78.6

Yes

201309

4

1

25.00

0909-9 (G, O157)

11

30

Mid

TMR

Gapyeong

2

21.8

94.3

Yes

201209

9

1

11.11

0904-9 (G, O84)

     

21.4

78.6

Yes

201309

7

5

71.43

0909-11 (D, O157), 0909-14 (D, O157), 0909-15 (D, O157), 0909-16 (D, O157), 0909-17 (G, O157)

12

50

Low

TMR

Gapyeong

2

21.8

94.3

Yes

201209

10

1

10.00

0904-16 (D, O185)

     

20

98.9

Yes

201309

9

2

22.22

0911-3 (D, O169), 0911-11 (D, O157)

13

80

High

TMR

Gapyeong

2

21.8

76.9

Yes

201209

11

1

9.09

0905-7 (D, O157)

     

20

98.9

Yes

201309

8

0

0.00

 

14

60

High

TMR

Gapyeong

1

21.8

76.9

Yes

201209

12

0

0.00

 

15

150

High

Hay

Yangpyeong

9

30.5

62.9

No

201208

24

3

12.50

0806-3 (D, O157), 0806-5 (D, O157), 0806-20 (G, O157)

 

11.0

63.6

No

201210

28

1

3.57

1015-16 (G, O84)

−4.2

75

No

201301

32

0

0.00

 

19.7

81.3

Yes

201305

36

8

22.22

0527-1 (D,O108), 0527-4 (D,O108), 0527-8 (D,O119), 0527-15-1 (D, O108), 0527-15-2 (D,O119), 0527-19 (D,O108), 0527-23 (D,O108), 0527-24 (D,O119)

20.7

92.1

Yes

201408

34

13

38.24

0814-4 (D, O157), 0814-5 (D, O157), 0814-7 (D, O157), 0814-8 (D, O157), 0814-11 (B, O157), 0814-13 (D, O15), 0814-16 (D, O8), 0814-20 (D, O157), 0814-22 (D, O157), 0814-25 (D, O15), 0814-31 (D, O157), 0814-32 (D, O55), 0814-34 (D, O157)

     

16.8

54.6

No

201410

40

4

10.00

1013-6 (C, O111), 1013-12 (B, O8), 1013-19 (G, O157), 1013-21 (D, O84)

     

0.1

90.8

No

201412

27

3

11.11

1215-7 (D, O15), 1215-8 (D, O109), 1215-24 (B, O109)

     

25.4

65.6

Yes

201507

40

5

12.50

0709-6 (D, O8), 0709-7 (D, O8), 0709-29 (B, NT), 0709-32 (C, O111), 0709-35 (C, O84)

     

19.2

60.1

No

201509

33

0

0.00

 
  1. a Hygiene level of sawdust: Low; very wet, dirty, and slippery, Mid; normal, High; very dry
  2. b Prevalence of STEC were significantly higher at the temperature above 20 °C and when rained within 3 days prior to sampling date (p < 0.001, Chi squared test, two tailed)
  3. c Temperature: average temperature of sampling day, rain: raining within 3 days prior to sampling date considered yes
  4. d TMR: total mixed ration
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