Table 1

Effects of social isolation or crowding for 12 hours on serum corticosterone concentrations

GroupCorticosterone, mean (SE) ng/mL
Control76.7 (7.24)
Socially isolated167.5 (15.34)*
Crowded136.0 (8.43)*

  • SE = standard error.

  • ↵* p < 0.05 compared with the control group (1-way analysis of variance and Tukey tests).