Increased sensitivity to the effects of chronic social defeat stress in an innately anxious mouse strain

▶C57BL/6 and BALB/c strains differing markedly in anxiety behaviours. ▶BALB/c mice are sensitive to social stressors of both short and long duration. ▶C57BL/6 mice are only sensitive to the effects of chronic stressors of long duration. ▶These data highlight different coping strategies to stress between these strains.