highly significantP < 0.001
Experiment one: open field There was a highly significant effect of drug treatment on the pigs’ scores on dimension one (a continuum from nervous to confident) of the QBA consensus profile ( W = 19.66, P < 0.001; Fig. 1 a), with no effect on dimension two (a continuum from calm to agitated) ( W = 0.00, P = 0.98).