Parameter | Week Group 1 + 2 + 3 | Week Group 1 | Week Group 2 | Week Group 3 | ||||
---|---|---|---|---|---|---|---|---|
Unvaccinated pigs | Vaccinated pigs | Unvaccinated pigs | Vaccinated pigs | Unvaccinated pigs | Vaccinated pigs | Unvaccinated pigs | Vaccinated pigs | |
Number of animals | 674 | 690 | 214 | 224 | 226 | 230 | 234 | 236 |
BW (kg) at | ||||||||
Vaccination | 5.8 ± 0.05 | 5.8 ± 0.05 | 5.8 ± 0.09 | 5.7 ± 0.09 | 5.7 ± 0.09 | 5.7 ± 0.09 | 6.1 ± 0.09 | 6.1 ± 0.09 |
4 weeks post-vaccination | 14.6 ± 0.10 | 14.7 ± 0.10 | 14.4 ± 0.17 | 14.1 ± 0.17 | 15.1a ± 0.17 | 15.6b ± 0.17 | 14.2 ± 0.17 | 14.3 ± 0.16 |
10 weeks post-vaccination | 40.9a ± 0.23 | 41.5b ± 0.23 | 40.0 ± 0.41 | 39.4 ± 0.40 | 43.3a ± 0.42 | 44.9b ± 0.41 | 39.3 ± 0.40 | 40.4 ± 0.40 |
16–17 weeks post-vaccination† | 76.6 ± 0.37 | 76.9 ± 0.37 | 77.1 ± 0.65 | 76.4 ± 0.64 | 81.3 ± 0.66 | 80.9 ± 0.64 | 71.3a ± 0.64 | 73.4b ± 0.63 |
ADWG (g/d) from vaccination to | ||||||||
4 weeks post-vaccination | 310 ± 3.5 | 314 ± 3.4 | 306 ± 6.1 | 295 ± 6.0 | 328a ± 6.1 | 347b ± 6.0 | 296 ± 5.9 | 300 ± 5.9 |
10 weeks post-vaccination | 486a ± 3.3 | 495b ± 3.2 | 474 ± 5.7 | 465 ± 5.6 | 519a ± 5.8 | 542b ± 5.7 | 465 ± 5.5 | 479 ± 5.5 |
16–17 weeks post-vaccination† | 602 ± 3.2 | 605 ± 3.1 | 597 ± 5.6 | 591 ± 5.5 | 638 ± 5.6 | 635 ± 5.5 | 573a ± 5.4 | 590b ± 5.4 |
BW homogeneity‡ (%) at | ||||||||
16–17 weeks post-vaccination† | 85a | 86b | 86 | 86 | 87 | 87 | 82a | 85b |