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Table 1 Feeding parameters for 77 tail-bitten pigs treated either with ketoprofen or placebo for three days starting on the day when the tail wound was first noted (day 0). Overall data are reported from day −2 to day 3. Results between treatments are presented from day 0 to 3. All results are presented as mean ± SEM

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   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