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Table 1 Summary of the sampled flocks and collected samples

From: High frequency of chlamydial co-infections in clinically healthy sheep flocks

     # of samples taken
flock # flock size (ewes) vaccine Status abortion rate (%)§ 1st serum d1/2 p.p. 2nd serum d21 p.p. vaginal swab/ PCR vaginal swab/ culture rectal swab afterbirth foetus/foetal swab
1 500 - 0 - 29 11 11 11 - -
2 1000 - 0 29 25 11 11 11 9 -
3 1800 - < 1 29 27 11 11 11 12 4
4 1300 - 0 29 29 11 11 11 - -
5 1200 - 3 29 6 11 11 11 3 4
6 500 - 0 29 27 11 11 11 - -
7 450 - 0 29 25 11 11 11 9 -
8 1100 - < 1 30 30 11 11 11 - -
9 1800 - 0 29 29 11 11 11 - -
10 550 - 0 29 29 11 11 11 3 -
11 700 - < 1 29 29 11 11 11 - -
12 330 - 0 30 29 11 11 11 2 -
13* 2500 + 2 30 30 11 11 11 11 -
14 400 - < 1 29 28 11 11 11 - -
15 700 - < 1 29 28 11 11 11 - -
16 750 - < 1 29 29 11 11 11 - -
17 900 - < 1 29 29 11 11 11 3 -
18 250 - < 1 29 29 11 11 11 - -
19* 450 + < 1 29 27 11 11 11 1 -
20 1000 - < 1 29 25 11 11 11 - -
21 500 - < 1 29 29 11 11 11 - -
22 406 - < 1 29 29 11 11 11 - -
23 700 - < 1 29 29 11 11 11 - -
24 700 - 0 29 19 11 11 11 - -
25 550 - < 1 29 25 11 11 11 - -
26 1000 - 1 29 29 11 11 11 - -
27 317 - < 1 29 29 11 11 11 - -
28* 350 + 6 29 29 11 11 11 1 2
29 420 - 0 29 27 11 11 11 - -
30* 1178 + < 1 29 25 11 11 11 - -
31* 500 + < 1 29 29 11 11 11 - -
32 120 - 0 29 29 11 11 11 4 -
33 115 - < 1 29 28 11 11 11 11 -
34 400 - < 1 29 29 11 11 11 1 -
35 650 - < 1 29 29 11 11 11 - -
36* 133 + 0 29 28 11 11 11 - -
37 377 - < 1 29 26 11 11 11 2 -
38* 409 + < 1 29 28 11 11 11 - -
39** 25 - 0 25 24 11 11 11   
40 460 - < 1 29 - 11 11 11 - -
total     1130 1059 440 440 440 72 10
  1. §according to the sheep farmers and the Thuringian sheep health authority
  2. *due to a vaccination history not included in the prevalence study but analysed separately
  3. **excluded from the prevalence study due to flock size