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Table 4 Summary of positive sera from the vaccinated flocks

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

 

abortion rate§

 

# positive sera vs.

# sera tested

# of animals

flock #

prior to vaccination

upon

vaccination

vaccination*

1st

serum

d1/2 p.p.

2nd serum

d21 p.p.

total

sero-conversion

13

1-10%

0.8-2%

since 1995 all teggs

3/30

4/30

4/30

1/30

19

7%

< 1%

in 2004 complete flock; since 2005 all teggs

6/29

4/27

6/29

0/27

28

2009: 17%

6%

since 1998 all teggs;

in 2009 complete flock

9/29

9/29

9/29

0/29

30

< 1%

< 1%

since 1980 all teggs

2/29

0/25

2/29

0/25

31

< 1%

< 1%

since 2002 all teggs

2/29

2/29

2/29

0/29

36

< 1%

0

since 1995 all teggs

2/29

3/28

4/29

2/28

38

2003: 49%

< 1%

in 2003 complete flock; since 2004 all teggs

3/29

4/28

4/29

1/28

  1. *Ovilis Enzovax (Intervet Deutschland GmbH, Unterschleißheim, Germany)
  2. § according to the sheep farmers and the Thuringian sheep health authority