Social environment affects peripheral oxytocin and cortisol during stress responses in guinea-pigs (2004)

Machatschke, I. H., Wallner, B., Schams, D. et al.

Abstract

Cortisol was elevated in individually housed animals compared to male-female pairs. The stress-induced behavioral immobility response after exposure to a noise stressor was significantly reduced in preferred males and to a lesser extent in their female partners.