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) |