From: Effect of local anaesthesia and/or analgesia on pain responses induced by piglet castration
 | Treatment | |||||||
---|---|---|---|---|---|---|---|---|
Threshold value (mg/l) | C | M | L | LM | C+M | L+LM | C+L | M+LM |
50 | 51 | 48 | 54 | 57 | 50 | 56 | 52 | 52 |
100 | 35 | 32 | 45 | 37 | 34 | 40 | 40 | 34 |
200 | 25 | 17 | 36 | 16 | 21 | 25 | 30 | 16 ** |
400 | 20 | 11 | 15 | 8 | 15 | 11 | 17 | 9 * |
600 | 15 | 6 | 8 | 5 | 9 | 6 | 11 | 5 (*) |