From: Assessment of immediate production impact following attenuated PRRS type 2 virus vaccination in swine breeding herds
Weeks post PRRSv MLV vaccination
Pigs weaned per sow means
Standard Error of the mean
P-value*
Baseline
10.49
0.1338
–
1
10.74
0.1389
1.000
2
10.50
0.1359
0.5920
3
0.1358
0.5480
4
10.52
0.1361
0.9046
5
10.81
0.1399
6
10.64
0.1377