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Table 1 Farm description, environmental parameters, water supply sources and system, prevalence and genotyping of Campylobacter spp. isolated from organic turkey flocks

From: Prevalence, genotyping and risk factors of thermophilic Campylobacter spreading in organic turkey farms in Germany

 

Flock I

Flock II

Flock III

Flock IV

Flock V

Total number of birds/flock

1003

2000

1400

1100

1500

Age of birds (weeks)

8

8

4

8

6

Turkey-line

Kelly BBB

B.U.T. 6

B.U.T. 6

Kelly BBB

B.U.T. 6

Water supply type

Tap water

Tap water

Well water

Tap water

Tap water

Type of drinkers

Cups + pendulous

Cups

Cups + drinking trough

Pendulous

Cups

Number of examined cloacal swabs

30

30

30

30

30

No. of positive cloacal swabs

30

27

30a

30a

30

Flock prevalence (%)

100

90

100

100

100

No. of isolated C. jejuni

8

19

5

17

20

No. of isolated C. coli

22

8

30

19

10

Prevalence of C. jejuni (%)

26.67

70.37

14.29

47.22

66.67

Prevalence of C. coli (%)

73.33

29.63

85.71

52.78

33.33

No. of positive water samples

1 (C. coli)

2 (C. jejuni)

0

0

0

No. of positive beetles sample

0

3 (C. coli)

0

0

0

No. of C. jejuni genotypes

3

4

1

2

5

No. of C. coli genotypes

2

1

2

4

4

Temperature (°C)

15.8

23.1

21.30

21.80

15.4

Relative humidity (RH in %)

63.6

64.2

74.8

58.3

56.6

Ammonia (ppm)

1

14

22

1

0

CO2 (ppm)

500

1400

800

350

400

  1. aFrom the same cloacal swabs both C. coli as well as C. jejuni were isolated in 5 swabs of farm III and 8 swabs of farm IV