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Table 2 Means of abortion rate over time, following 65 herd vaccinations, compared to baseline

From: Assessment of immediate production impact following attenuated PRRS type 2 virus vaccination in swine breeding herds

Weeks post PRRSv MLV vaccination Abortion rate means Standard Error of the mean P-value*
Baseline 0.069% 0.000116
1 0.073% 0.000129 0.1658
2 0.070% 0.000124 0.4082
3 0.076% 0.000133 0.0775
4 0.068% 0.000119 0.6336
5 0.070% 0.000124 0.4148
6 0.068% 0.000120 0.6193
  1. * = mixed regression model of each group compared to baseline