Table 1 Use of oxytetracykline in 8 batches of pigs vaccinated against proliferative enteropathy (PE) caused by Lawsonia intracellularis compared to 8 non-vaccinated batches.
Vaccinated | Non-vaccinated | Reduction after vaccination | P-valuea | |
|---|---|---|---|---|
Total # pigs | 7900 | 7756 | - | - |
# batches | 8 | 8 | - | - |
# batches treated against PE | 1 | 3 | 2 | 0.2482 |
# pigs treated against PE Nursery site 1 | 300 | 2346 | 2046 | < 0.0001 |
# pigs treated against PE Nursery site 2 | 220 | 499 | 279 | < 0.0001 |
Total # pigs treated against PE | 520 | 2845 | 2325 | < 0.0001 |
Vaccinated | Non-vaccinated | Reduction after vaccination | Reduction in % | |
Total amount of oxytetracykline | 8.3 kg | 38.9 kg | 30.5 kg | 79 |