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Table 1 The number and percentage of enrichment broths from carcass swab samples obtained from January to December, 2016 that were positive for STEC by cassette PCR

From: Detection of pathogenic Escherichia coli on potentially contaminated beef carcasses using cassette PCR and conventional PCR

 

Number and percent (in brackets) of samples scoring positive

Month

total # samples

eae plus stx1 and/or stx2

stx1

stx2

Both stx1 and stx2

January

42

18 (42.9)

9 (21.4)

25 (59.5)

9 (21.4)

February

42

18 (42.9)

15 (35.7)

24 (57.1)

11 (26.2)

March

64

26 (40.6)

16 (25.0)

35 (54.7)

13 (20.3)

April

88

23 (26.1)

20 (22.7)

38 (43.2)

13 (14.8)

May

56

28 (50.0)

20 (35.7)

32 (57.1)

16 (28.6)

June

52

36 (69.2)

17 (32.7)

30 (57.7)

8 (15.4)

July

56

42 (75.0)

32 (57.1)

39 (69.6)

26 (46.4)

August

44

16 (36.4)

7 (15.9)

19 (43.2)

7 (15.9)

September

72

37 (51.4)

24 (33.3)

44 (61.1)

22 (30.6)

October

62

21 (33.9)

11 (17.7)

33 (53.2)

10 (16.1)

November

134

49 (36.6)

43 (32.1)

74 (55.2)

37 (27.6)

December

108

24 (22.2)

23 (21.3)

38 (35.2)

16 (14.8)

Total

820

338 (41.2)

237 (28.9)

431 (52.6)

188 (22.9)