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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