Table 4 Average percentage of pigs per pen affected by tail lesions for pigs provided with in-feed antibiotics (ABI) and for pigs with no in-feed antibiotics (NOI) during three time points of the production system
From: Removing prophylactic antibiotics from pig feed: how does it affect their performance and health?
Production stages | NOI | ABI | P-value |
|---|---|---|---|
First weaner % | 5.9 ± 1.69 | 11.1 ± 3.47 | 0.215 |
Second weaner % | 2.9 ± 1.34 | 8.2 ± 3.11 | 0.152 |
Finisher % | 22.4 ± 7.35 | 13.6 ± 4.80 | 0.312 |