O'Brien, J. K., Heffernan, S., Thomson, P. C. et al. 2008. Effect of positive reinforcement training on physiologocal and behavioural stress responses in the hamadryas baboons (Papio hamadryas). Animal Welfare 17, 127-138.

Absenced of elevated salivary cortisol was taken as evidence that PRT [traget touching/holding] has no adverse effect on animal welfare.

Year

2008