Table 2 Behaviour of representative pigs in a group having a respiratory infection presented as proportion of observations mean ± sd out of 24 observations in two hours before treatment (DAY 0) and on the last day of treatment (DAY 3). The pigs were given ketoprofen or placebo on DAY 1–3

Lie flank

Placebo

0.32 ± 0.17^A

0.37 ± 0.12^A

Ketoprofen

0.43 ± 0.19^a,B

0.23 ± 0.11^b,B

Lie sternum

Placebo

0.52 ± 0.17^a

0.44 ± 0.11^b,A

Ketoprofen

0.43 ± 0.13^a

0.51 ± 0.10^b,B

Sit

Placebo

0.03 ± 0.02

0.04 ± 0.02

Ketoprofen

0.02 ± 0.02

0.03 ± 0.02

Stand

Placebo

0.09 ± 0.07

0.10 ± 0.05^A

Ketoprofen

0.09 ± 0.08^a

0.17 ± 0.08^b,B

Walk

Placebo

0.04 ± 0.01

0.05 ± 0.05

Ketoprofen

0.03 ± 0.03^a

0.07 ± 0.04^b

Lie alone

Placebo

0.09 ± 0.09

0.09 ± 0.06

Ketoprofen

0.09 ± 0.10^a

0.14 ± 0.11^b

Active

Placebo

0.16 ± 0.10

0.20 ± 0.16

Ketoprofen

0.11 ± 0.09^a

0.21 ± 0.14^b

Passive

Placebo

0.69 ± 0.14

0.67 ± 0.16

Ketoprofen

0.80 ± 0.16^a

0.60 ± 0.13^b

Eat

Placebo

0.03 ± 0.03

0.03 ± 0.02

Ketoprofen

0.03 ± 0.03

0.04 ± 0.04

Nosing

Placebo

0.10 ± 0.07

0.10 ± 0.07^A

Ketoprofen

0.05 ± 0.06^a

0.15 ± 0.11^b,B