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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