Figure 1From: The Effect of Transdermal Delivery of Fentanyl on Activity in Growing PigsPercentage (mean ± SD) numbers of observations of active behaviours in pigs treated with a fentanyl patch with (treatment A/F) and without isoflurane anaesthesia (treatment F), during the pre-treatment day and 24, 48 and 72 h after application of the patch. (n = 8)Back to article page