From: Removing prophylactic antibiotics from pig feed: how does it affect their performance and health?
 | Weaner stage |  | Finisher stage |  | ||
---|---|---|---|---|---|---|
Variables | NOI | ABI | P-value | NOI | ABI | P-value |
Mortality rate%a | 2.14 | 1.9 | 0.806 | 3.13 | 1.33 | 0.099 |
Injections tot %b | 25 | 13.8 | <  0.001 | 34.1 | 31.2 | 0.406 |
Injections lame%1 | 1.4 | 1.4 | 0.999 | 18.7 | 13.1 | 0.036 |
Injections sick%2 | 23.6 | 12.4 | < 0.001 | 15.3 | 18.1 | 0.314 |