Abnormal/Problematic Behavior

Includes stereotypies, self-injurious behavior, hair pulling (alopecia), barbering, feather pecking, tail biting, etc.

Vanjonack, W. J., Johnson, H. D. 1973. Relationship of thyroid and adrenal function to fur-chewing in the chinchilla. Comparat

The fur-chewing chinchillas showed increased thyroid activity (P 0·5), increased adrenalcortical function (P 0·05) and decreased rectal temperature (P 0·01). This study suggested that increased endocrine activity could be due to the loss of insulation...

Lam, K., Rupniak, N. M. J., Iversen, S. D. 1991. Use of a grooming and foraging substrate to reduce cage stereotypies in macaques. Journal of Medical Primatology 20(3), 104-109.

We examined the effects of a synthetic fleece pad on cage stereotypies in individually housed cynomolgus monkeys. Animals exhibited idiosyncratic repertoires of stereotyped behaviour, including repetitive pacing, swaying circling, bouncing, cage charging, and rocking that...

Steen, Z. 1995. Effects of enriched food acquisition on activity budgets of two tamarin species at Adelaide Zoo. International Zoo News 42, 284-298.

Simple bamboo pipe feeder is described and tested in group-housed animals. The aim of the study was to [successfully] increase foraging time with an increasing number of feeding devices [brawn bowl, bamboo pipe]. ... Prior...

Philbin, N. 1998. Towards an understanding of stereotypic behaviour in laboratory macaques. Animal Technology 49, 19-33.

Comprehensive discussion and review of the possible causes of stereotypic behaviour in laboratory macaques. A great deal of debate and controversy has surrounded what does does and does not constitute psychological well-being in primates [p...