Benefits of positive human interaction for socially housed chimpanzees (2004)

Baker, K. C.

Abstract

For chimpanzees housed indoors and in small social groups [2-3 animals], providing additional positive human interaction [50 min/animal/week] influenced their behaviours. .. Levels of abnormal behaviour fell, subjects were less tense and reactive .. spent less time idel, and engaged in higher levels of affiliative behaviour.