Appendix Figure 1 a, b Body weight (bw). The bw (kg) for each dog one day before (–1) and one (1), 7 and 14 days after anaesthetic treatment of group 1 (a) and group 2 (b) are shown. Dog 3 showed an unrealistic decrease in bw of 2.5 kg 24 h after the very last anaesthesia, therefore this value was omitted