From: The effect of ketoprofen on feeding behavior of tail-bitten pigs
 | Overall value from day −2 to 3 | Differences between treatments from day 0 to day 3 |  | |
---|---|---|---|---|
Parameter | Â | Ketoprofen | Placebo | P |
Intervals between feeder visits (min) | 59.6 ± 3.9 | 58.7 ± 4.8 | 58.8 ± 4.6 | 1.0 |
Feeding efficiency (g/s) | 0.5 ± 0.007 | 0.5 ± 0.03 | 0.6 ± 0.03 | 0.5 |
Average frequency of feeder visits per day | 30.7 ± 2.6 | 33.0 ± 3.2 | 29.0 ± 3.1 | 0.3 |
Average feed conversion ratio | 2.3 ± 0.2 | 2.3 ± 0.2 | 2.2 ± 0.2 | 0.6 |