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Table 5 Means of wean to first service interval 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 Wean-to-first-service interval means Standard Error of the mean P-value*
Baseline 5.82 0.3121
1 5.87 0.7289 0.4727
2 5.88 0.7305 0.4665
3 5.86 0.7272 0.4796
4 5.81 0.7217 0.5021
5 5.83 0.7357 0.4915
6 5.72 0.7213 0.5490
  1. * = mixed regression model of each group compared to baseline