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Table 6 Means of pre-weaning mortality 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 Pre-weaning mortality means Standard Error of the mean P-value*
Baseline 13.97% 0.01497
1 13.12% 0.01407 1.000
2 14.23% 0.01526 0.0076
3 13.89% 0.01490 1.000
4 13.28% 0.01424 1.000
5 12.59% 0.01351 1.000
6 13.09% 0.01404 1.000
  1. * = mixed regression model of each group compared to baseline