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United States Department of Agriculture

Agricultural Research Service

Related Topics

2007 Veterinary Isolates Final Report- Accessible Version
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1 - Introduction, Materials and Methods and Data Analysis
2 - Antimicrobials and breakpoints
3 - Isolates tested- all organisms
4 - Salmonella (Tables 1 and 2)
5 - Salmonella (Tables 3 and 4)
6 - Salmonella (Table 5)
7 - Salmonella (Table 6)
8 - Salmonella (Table 7)
9 - Salmonella (Table 8)
10 - Salmonella (Tables 9-12)
11 - Salmonella (Tables 13-16)
12 - Campylobacter (All tables)
13 - E. coli (All tables)
Salmonella (Tables 3 and 4)

 

Table 3. Distribution of MICs and Occurrence of Resistance by Animal Source among all Salmonella Isolates from Food Animals, 2007

Antimicrobial

Animal Source

%I %R 95% CI Distribution (%) of MICs (µg/ml)
<=0.015 0.03 0.06 0.125 0.25 0.5 1 2 4 8 16 32 64 128 256 512 1024
Amikacin Chickens

0

0

0.0-0.5

 

 

 

 

 

35.5

57.5

6.4

0.5

 

 

 

 

 

 

 

 

Turkeys

0

0

0.0-1.7

 

 

 

 

 

18.1

67.9

12.5

1.1

0.4

 

 

 

 

 

 

 

Cattle

0

0

0.0-1.1

 

 

 

 

 

12.3

60.8

25.3

1.4

0.2

 

 

 

 

 

 

 

Swine

0

0.5

0-3.1

 

 

 

 

 

13.3

71.6

11.8

2.8

0

0

0

0

0.5

 

 

 

Gentamicin Chickens

0.6

4.5

3.3-6.0

 

 

 

 

83.7

10

0.8

0

0.4

0.6

2.9

1.6

 

 

 

 

 

Turkeys

4.1

12.9

9.3-17.6

 

 

 

 

66.4

14.8

1.1

0.4

0.4

4.1

7

5.9

 

 

 

 

 

Cattle

0

1.6

0.7-3.4

 

 

 

 

63.8

33.3

1.4

0

0

0

0.7

0.9

 

 

 

 

 

Swine

0.5

0.9

0.1-3.7

 

 

 

 

77.7

20.9

0

0

0

0.5

0.5

0.5

 

 

 

 

 

Kanamycin Chickens

0

3.4

2.4-4.8

 

 

 

 

 

 

 

 

 

96.1

0.5

0

0.2

3.2

 

 

 

Turkeys

1.1

16.2

12.1-21.3

 

 

 

 

 

 

 

 

 

82.3

0.4

1.1

1.1

15.1

 

 

 

Cattle

0

7.7

5.5-10.7

 

 

 

 

 

 

 

 

 

91.8

0.5

0

0.5

7.3

 

 

 

Swine

0

7.1

4.2-11.7

 

 

 

 

 

 

 

 

 

92.9

0

0

0

7.1

 

 

 

Streptomycin Chickens

N/A

19.3

16.9-21.9

 

 

 

 

 

 

 

 

 

 

 

80.7

16.7

2.6

 

 

 

Turkeys

N/A

34.7

29.1-40.7

 

 

 

 

 

 

 

 

 

 

 

65.3

22.1

12.5

 

 

 

Cattle

N/A

19.8

16.2-23.9

 

 

 

 

 

 

 

 

 

 

 

80.2

2.5

17.3

 

 

 

Swine

N/A

27

21.2-33.6

 

 

 

 

 

 

 

 

 

 

 

73

18

9

 

 

 

Ampicillin Chickens

0

17

14.7-19.5

 

 

 

 

 

 

80.4

2.3

0.2

0.1

0

0.1

16.8

0.1

 

 

 

Turkeys

0

36.9

31.2-43.0

 

 

 

 

 

 

60.9

2.2

0

0

0

0

36.9

 

 

 

 

Cattle

0

20

16.4-24.1

 

 

 

 

 

 

77

2.7

0.2

0

0

0

20

 

 

 

 

Swine

0

18

13.2-24.0

 

 

 

 

 

 

75.4

5.7

0.5

0.5

0

0.5

17.5

 

 

 

 

Amoxicillin/Clavulanic Acid Chickens

0.2

15.6

13.4-18.0

 

 

 

 

 

 

82.2

0.7

0.2

1.1

0.2

1.5

14.1

 

 

 

 

Turkeys

17.3

11.1

7.7-15.6

 

 

 

 

 

 

60.5

2.6

0.4

8.1

17.3

2.6

8.5

 

 

 

 

Cattle

1.6

15.5

12.3-19.3

 

 

 

 

 

 

76.5

2.7

1.4

2.3

1.6

3.2

12.3

 

 

 

 

Swine

11.4

3.3

1.5-7.0

 

 

 

 

 

 

80.6

0.9

0

3.8

11.4

0.9

2.4

 

 

 

 

Ceftiofur Chickens

0.4

15.4

13.2-17.8

 

 

 

0.2

4

54.5

25.4

0.1

0.4

2.6

12.8

 

 

 

 

 

 

Turkeys

0

11.1

7.7-15.6

 

 

 

 

0.7

43.9

43.5

0.7

0

1.5

9.6

 

 

 

 

 

 

Cattle

0.9

15.5

12.3-19.3

 

 

 

0.2

1.8

39.6

41

0.9

0.9

2.1

13.4

 

 

 

 

 

 

Swine

0.9

2.8

1.1-6.3

 

 

 

 

 

40.3

55

0.9

0.9

0.5

2.4

 

 

 

 

 

 

Ceftriaxone Chickens

10

0.4

0.1-1.1

 

 

 

 

84.2

0.2

0

0

0.5

4.7

8

1.9

0.4

 

 

 

 

Turkeys

8.1

0

0.0-1.7

 

 

 

 

88.6

0.4

0

0

0

3

5.5

2.6

 

 

 

 

 

Cattle

13.4

0.7

0.2-2.2

 

 

 

 

82.9

0.7

0.2

0.2

0.5

1.4

8.9

4.6

0.7

 

 

 

 

Swine

1.9

0.5

0-3.1

 

 

 

 

96.7

0

0

0.9

0

0

1.9

0

0.5

 

 

 

 

Cefoxitin Chickens

2.3

13

11.0-15.3

 

 

 

 

 

0.2

12.3

45.5

22.2

4.5

2.3

9.8

3.2

 

 

 

 

Turkeys

3

9.2

6.2-13.4

 

 

 

 

 

 

7

49.8

25.1

5.9

3

4.4

4.8

 

 

 

 

Cattle

1.4

15

11.9-18.8

 

 

 

 

 

0.2

6.6

34.2

33.3

9.3

1.4

3.9

11.2

 

 

 

 

Swine

0

2.8

1.1-6.3

 

 

 

 

 

 

2.8

40.3

44.1

10

0

1.9

0.9

 

 

 

 

Sulfonamides Chickens

N/A

10.4

8.6-12.5

 

 

 

 

 

 

 

 

 

 

38.8

45.7

4.9

0.1

0.1

10.4

 

Turkeys

N/A

25.5

20.5-31.2

 

 

 

 

 

 

 

 

 

 

17

46.9

9.6

0.7

0.4

25.5

 

Cattle

N/A

21.6

17.9-25.8

 

 

 

 

 

 

 

 

 

 

25.1

42.6

10.5

0.2

0

21.6

 

Swine

N/A

30.8

24.7-37.6

 

 

 

 

 

 

 

 

 

 

35.1

27

6.6

0

0.5

30.8

 

Trimethoprim/Sulfamethoxazole Chickens

N/A

0

0.0-0.5

 

 

 

88

10

1.8

0.2

 

 

 

 

 

 

 

 

 

 

Turkeys

N/A

1.1

0.3-3.5

 

 

 

77.9

17.7

1.1

1.1

1.1

0

1.1

 

 

 

 

 

 

 

Cattle

N/A

3

1.7-5.2

 

 

 

73.1

18.7

4.1

0.9

0.2

0.7

2.3

 

 

 

 

 

 

 

Swine

N/A

1.9

0.6-5.1

 

 

 

69.7

23.2

3.3

1.9

0

0

1.9

 

 

 

 

 

 

 

Chloramphenicol Chickens

0.4

1.8

1.1-2.9

 

 

 

 

 

 

 

5.1

58

34.6

0.4

0.1

1.7

 

 

 

 

Turkeys

1.8

5.5

3.2-9.1

 

 

 

 

 

 

 

1.1

49.4

42.1

1.8

0

5.5

 

 

 

 

Cattle

0.9

20

16.4-24.1

 

 

 

 

 

 

 

0.7

28.7

49.7

0.9

0

20

 

 

 

 

Swine

2.4

15.2

10.8-20.9

 

 

 

 

 

 

 

1.4

20.4

60.7

2.4

0

15.2

 

 

 

 

Ciprofloxacin Chickens

0

0

0.0-0.5

79.6

18.3

2

0.1

 

 

 

 

 

 

 

 

 

 

 

 

 

Turkeys

0

0

0.0-1.7

74.5

21.8

2.6

0

0.7

0.4

 

 

 

 

 

 

 

 

 

 

 

Cattle

0

0

0.0-1.1

79

18.7

1.6

0.2

0

0.5

 

 

 

 

 

 

 

 

 

 

 

Swine

0

0

0.0-2.2

81.5

17.5

0.9

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Nalidixic Acid Chickens

N/A

0.1

0-0.6

 

 

 

 

 

 

1.4

43.7

42.9

11.7

0.3

0

0.1

 

 

 

 

Turkeys

N/A

1.1

0.3-3.5

 

 

 

 

 

 

 

38.7

39.5

20.3

0.4

0

1.1

 

 

 

 

Cattle

N/A

0.7

0.2-2.2

 

 

 

 

 

 

0.5

43.1

44

11.8

0

0.2

0.5

 

 

 

 

Swine

N/A

0

0.0-2.2

 

 

 

 

 

 

0.9

37.4

49.3

11.8

0.5

 

 

 

 

 

 

Tetracycline Chickens

1.4

35.5

32.5-38.6

 

 

 

 

 

 

 

 

63.1

1.4

0.6

1.7

33.2

 

 

 

 

Turkeys

0.4

73.8

68.1-78.8

 

 

 

 

 

 

 

 

25.8

0.4

0.4

13.3

60.1

 

 

 

 

Cattle

0.7

27.3

23.2-31.8

 

 

 

 

 

 

 

 

72

0.7

1.1

3.6

22.6

 

 

 

 

Swine

0.5

54.5

47.5-61.3

 

 

 

 

 

 

 

 

45

0.5

1.9

12.3

40.3

 

 

 

 

 

Table 3 notes:

95% confidence intervals for percent resistant (%R) were calculated using the Clopper-Pearson exact method

Antimicrobial subclasses and susceptible, intermediate and resistance breakpoints can be found in the antimicrobials and breakpoints section. 

N/A- Not applicable 

 

Table 4. Percent Antimicrobial Resistance among all Salmonella Isolates from Food Animals by Year, 1997-2007
Antimicrobial

Animal Source

1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007
Amikacin Chickens

0

0

0

0

0

0

0

0

0

0

0

Turkeys

0

0

0

0

0

0

0

0

0

0

0

Cattle

0

0

0

0

0

0

0

0

0

0

0

Swine

0

0

0

0

0

0

0

0

0

0

0.3

Gentamicin Chickens

17.8

15.3

10.4

14.9

7.9

5.5

6.3

4.9

4.3

5.7

4.5

Turkeys

20.6

18.3

17.5

16.2

20.9

19.3

21

25.4

22.9

16.4

12.9

Cattle

0

1.8

1.6

2.1

2.1

2.6

2.7

1.8

2.4

3.9

1.6

Swine

0.9

0.8

1.1

1.3

1.4

0.8

0.5

1.3

2.7

2

0.9

Kanamycin Chickens

2.3

3.2

1.2

4.1

2.4

2

2.8

2.7

2.5

3.6

3.4

Turkeys

24.3

17.1

21.5

21.4

22.9

24.2

16

14.4

19.8

10.5

16.2

Cattle

8.3

9.5

7.1

6.6

6.9

10.1

13.7

8.9

13.1

9.5

7.7

Swine

11.7

7.2

6.7

9.3

6.9

4.2

5.7

3.9

5

8.6

7.1

Streptomycin Chickens

24.3

27.8

27.5

28.6

21

22.9

19.6

22.2

23.3

21.2

19.3

Turkeys

34.6

40.8

43.6

41.9

46.7

37.7

29.4

33.9

40.1

28.9

34.7

Cattle

12.5

16.2

15.4

21.3

20.3

25.9

28.7

20.9

24.3

23.7

19.8

Swine

27.9

29.4

29.3

39.2

35.6

40.1

30.8

36.4

36.5

26.3

27

Ampicillin Chickens

11.7

12.8

12.4

13

9.4

14.3

13.7

14.5

14

14.9

17

Turkeys

12.1

10.4

17.7

16.2

19.5

18

18.7

22

22.9

25.3

36.9

Cattle

12.5

9.2

12.5

18.7

17.9

23.9

28.1

19.3

26.7

22.4

20

Swine

16.2

12.9

10.8

18.8

11.7

13.7

12.8

16.2

13.6

11.5

18

Amoxicillin/Clavulanic Acid Chickens

0.5

2

4.9

7.3

4.5

10.2

9.7

12.4

12.1

12.9

15.6

Turkeys

4.7

0.4

4.3

3.5

6.9

3.7

1.5

4.7

3.5

5.6

11.1

Cattle

8.3

2.5

3.9

9.9

11.8

17.7

21

13.5

21

18.5

15.5

Swine

0

0.4

1

1.8

2.6

3.7

3.8

1.9

4.3

2.3

3.3

Ceftiofur Chickens

0.5

2

5.2

7.6

4.1

10.2

9.8

12.4

12.2

12.8

15.4

Turkeys

3.7

0.4

4.6

3.3

5.1

3.3

1.5

4.7

3.5

5.3

11.1

Cattle

0

2.1

4.2

9.8

11.4

17.4

21

13.3

21.6

18.8

15.5

Swine

0

0.1

1.9

1.3

2.2

3.2

4.3

1.9

3.7

2

2.8

Ceftriaxone Chickens

0

0

0

0.1

0

0.3

0.1

0.5

0.3

0.1

0.4

Turkeys

0

0

0.8

0.4

0.2

0

0.4

0.4

0.9

0

0

Cattle

0

0

0.1

0.1

0.1

0.2

0.1

1.3

2.1

1

0.7

Swine

0

0

0

0

0

0

0

0

0

0

0.5

Cephalothin Chickens

1.4

4.5

5.8

7.8

4.7

10.5

10.4

10.4

NT

NT

NT

Turkeys

5.6

5

10.5

8.3

13.1

9.8

11.1

11.1

NT

NT

NT

Cattle

0

2.1

4.7

9.9

11.6

17.7

21.2

21.2

NT

NT

NT

Swine

0

0.1

0.8

2.4

2.2

3.2

3.8

3.8

NT

NT

NT

Cefoxitin Chickens

NT

NT

NT

7.2

4.1

8.7

8.2

12.4

12

12.8

13

Turkeys

NT

NT

NT

3.3

4.5

2.5

1.1

5.1

3.5

5.3

9.2

Cattle

NT

NT

NT

9.1

11.1

15.9

17.8

13.2

19.8

17.7

15

Swine

NT

NT

NT

1.3

2.2

2.9

4.3

1.9

3.7

2

2.8

Sulfonamides Chickens

24.8

23.7

15.9

18.4

11.8

8.9

10.3

11.9

8.5

10.7

10.4

Turkeys

37.4

32.1

36

25.1

38

30.3

28.2

36.4

37

27.3

25.5

Cattle

20.8

15.5

15

19.9

19.7

22.3

25.1

22.7

27.4

24.2

21.6

Swine

34.2

29

30.7

35.7

34.9

34.6

25.1

37

32.9

26.6

30.8

Trimethoprim/Sulfamethoxazole Chickens

0.5

1.2

1.1

0.4

0.5

0.8

0.3

0.2

0.2

0.1

0

Turkeys

3.7

2.5

4.2

1.5

2.5

2.5

2.3

0.8

1.8

1

1.1

Cattle

4.2

2.5

2.4

2.2

2.6

2.5

3.3

1.5

4.9

4.6

3

Swine

1.8

0.3

1.1

0.9

0

1.6

2.4

1.6

2.3

2

1.9

Chloramphenicol Chickens

2.3

2.9

1.8

4.6

2.5

2.4

2.1

1.3

1.8

1.7

1.8

Turkeys

3.7

0.8

4.1

4.1

3.8

5.3

4.2

4.7

4.8

3.9

5.5

Cattle

4.2

5.6

8.5

15.1

16.5

20.6

25.1

17.6

21.9

19.8

20

Swine

11.7

8.4

8

12.4

7.7

10

8.5

12.7

10.6

7.9

15.2

Ciprofloxacin Chickens

0

0

0

0

0

0

0.1

0

0

0

0

Turkeys

0

0

0

0

0

0

0

0

0

0

0

Cattle

0

0

0

0

0

0

0

0

0

0

0

Swine

0

0

0

0

0

0

0

0

0

0

0

Nalidixic Acid Chickens

0

0.2

0.2

0.5

0

0.8

0.4

0.5

0.3

0.1

0.1

Turkeys

4.7

2.1

5.3

5.4

5.1

5.3

3.8

2.1

2.2

0.7

1.1

Cattle

0

0.4

0.1

0.4

0.4

0.4

0.4

2

1.5

0.5

0.7

Swine

0

0

0

0.2

0

0.3

0

0

0.3

0

0

Tetracycline Chickens

20.6

20.5

25

26.3

21.9

24.9

26.2

27.4

28.3

31.8

35.5

Turkeys

52.3

45.8

52.9

56.2

54.9

54.5

58.8

48.3

54.6

61.8

73.8

Cattle

25

24.3

20.9

25.8

26.3

32

36.9

31.8

34

30.3

27.3

Swine

52.3

47.5

48.4

54.3

53.1

57.8

43.1

58.8

54.8

62.8

54.5

Table 4 notes:

NT- Not tested 

 

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