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Table 3 Flock details

From: Ovine Enzootic Abortion (OEA): a comparison of antibody responses in vaccinated and naturally-infected swiss sheep over a two year period

Flock

Examination dates

Average no. sheep

Sheep tested all 4 times

Flock history

OEA status1

Vaccination with live vaccine

A

spring & autumn 2005/2006

54

15

chlamydial abortions in autumn 2004

positive

15 sheep (spring 2005)

B

spring & autumn 2005/2006

48

26

chlamydial abortion outbreak nearby in 2003

negative

14 sheep (spring 2003), no vaccination booster

C

spring & autumn 2005/2006

452

173

chlamydial abortions (positive control)

positive

no

D

spring & autumn 2005/2006

105

63

no abortions (negative control)

negative

no

E

spring & autumn 2005/2006

118

63

chlamydial abortions in the past

positive

13 sheep (winter 2005)

  1. 1OEA = ovine enzootic abortion
  2. 2Average no. goats: 11
  3. 3Goats tested all 4 times: 4