Barnett, J. L., Hemsworth, P. H., Hennessy, D. P. et al. 1994. The effects of modifying the amount of human contact on behavioural, physiological and production responses of laying hens. Applied Animal Behaviour Science 41, 87-100.
Increasing the amount of human contact reduced the level of fear of humans ... and decreased corticosterone response to handling, with consequent positive effects on production.
Year
1994