Enrichment of the environments of captive primates is currently of interest as both a basic and an applied research question, particularly when social and inanimate enhancements are used simultaneously. We measured the hehavioural effects of...
The use of "pre-invasive" implantable radio telemetry has revolutionized the collection of physiological data under stress-free conditions. It is now possible to measure accurately 'normal' baseline data of haemodynamic and electrical parameters in conscious and...
It is important that all females of a new [heterosexual] group are related to each other, that is, that they come from the same natal group. The introduction of unfamiliar females to a small group...
The purpose of this study was to link abnormal behaviors often expressed by chimpanzees living in captive environments to factors related to their care and housing. Individuals who had spent more time with their mothers...
The objective of toxicology and pharmacology studies is to detect change or variation from normal and to interpret the significance of such change, with the intention of assessing risk to man. With non-human primates (NHPs)...
Successful bachelor group formation protocol is described.
Group-housing arrangements for rhesus macaques and husbandry implications are described.
The device consists of food treats ... mixed with shredded paper and stuffed into a 4 foot long section of cardboard tube which is cut into 4-inch lengths.
Adding a simple cow bell can increase use of vertical climbing poles and may have resulted in increased locomotor activity for [group-housed] captive chimpanzees. These data were collected in 1996/97 and the cow bells are...
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...