Table 2.
The effect of vaccinations on growth performance, antibiotic treatment and mortality
|
Herd |
A |
B |
||||
|---|---|---|---|---|---|---|
| Treatment group | ThoroVAX®VET | Ingelvac®MycoFLEX | Control | ThoroVAX®VET | Ingelvac®MycoFLEX | Control |
|
Nursery pigs | ||||||
| Mean weight start nursery (sd*) |
7.2 (1.3) |
7.3 (1.2) |
7.2 (1.2) |
6.5 (1.8) |
6.5 (1.8) |
6.5 (1.6) |
| Mean weight end nursery (sd) |
32.7 (7.5) |
32.8 (7.6) |
32.5 (7.4) |
31.6 (6.1) |
32.4 (5.9) |
31.4 (5.4) |
| ADG** nursery (sd) |
508 (9) |
516 (9) |
507 (9) |
538 (10) |
545 (10) |
537 (10) |
| Pigs individually treated with antibiotics (%) |
1.9 |
3.4 |
1.0 |
3.3 |
1.4 |
3.2 |
| Mortality (%) |
2.9 |
3.2 |
3.1 |
1.9 |
1.9 |
1.3 |
|
Grower/finishers | ||||||
| Mean weight when first pig in a batch was ready for slaughter (sd) |
79.4 (14.6) |
79.4 (14.4) |
79.1 (15.3) |
76.3 (11.6) |
76.9 (11.4) |
75.5 (11.8) |
| ADG grower/finisher pigs (sd) |
868 (11) |
863 (11) |
867 (11) |
807 (11) |
803 (11) |
807 (11) |
| Pigs individually treated with antibiotics (%) |
1.9 |
0.8 |
2.0 |
5.2 |
5.5 |
6.1 |
| Mortality (%) | 3.5 | 3.6 | 3.2 | 3.6 | 2.3 | 2.7 |
*Sd: Standard deviation of the mean. **ADG: Average daily gain.