Macaque

Influences of blood sampling procedures on basal hypothalamic-pituitary-adrenal hormone levels and leukocyte values in rhesus macaques (Macaca mulatta)

Differences in housing location and the amount of room disturbance associated with blood sampling have a significant impact on cell counts, but not on ACTH or cortisol levels. We believe that the critical factor that explains our housing location results...

Year Published: 1996Topics: Biological Sampling & Physiological Measurement, Housing, Husbandry & ManagementAnimal Type: Macaque, Nonhuman Primate

Citation: Capitanio, J. P., Mendoza, S. P., McChesney, M. 1996. Influences of blood sampling procedures on basal hypothalamic-pituitary-adrenal hormone levels and leukocyte values in rhesus macaques (Macaca mulatta). Journal of Medical Primatology 25(1), 26-33.

Conflict and reconciliation in two groups of crab-eating monkeys differing in social status by birth

Two groups of captive macaques (M. fascicularis) were studied at Kassel University, Germany. One included animals whose mothers were high-ranking, another, those whose mothers were low-ranking. The first group was a despotic community in which conflicts were severe and occurred...

Year Published: 1996Animal Type: Macaque, Nonhuman Primate

Citation: Butovskaya, M., Kozintsev, A., Welker, C. 1996. Conflict and reconciliation in two groups of crab-eating monkeys differing in social status by birth. Primates 37, 261-270.

Toys for the boys: Environmental enrichment for singly housed adult male macaques (Macaca fascicularis)

Structural enhancements and enrichment toys and devices are listed. The opportunity to chew and tear has also benefited the animals' dental health.

Year Published: 1996Topics: Environmental EnrichmentAnimal Type: Macaque, Nonhuman Primate

Citation: Brinkman, C. 1996. Toys for the boys: Environmental enrichment for singly housed adult male macaques (Macaca fascicularis). Laboratory Primate Newsletter 35(2), 5-9.

Urinary free cortisol as a measure of psychological well-being in laboratory macaques housed in grooming-contact cages

Males had significantly elevated cortisol when paired with males. Female pairs engaged in much more social grooming than male pairs.

Year Published: 1996Animal Type: Macaque, Nonhuman Primate

Citation: Bellanca, R. U., Crockett, C. M., Bowers, C. L. et al. 1996. Urinary free cortisol as a measure of psychological well-being in laboratory macaques housed in grooming-contact cages. Proceedings of the Congress of the International Primatological Society and Conference of the American Society of Primatologists, 670 (Abstract).

Formation of outdoor multimal breeding groups of rhesus macaques

Gradually forming new breeding groups resulted in 0.27 severe wounds per individual per year; rapidly forming new groups resulted in twice as much wounding.

Year Published: 1996Animal Type: Macaque, Nonhuman Primate

Citation: Conlee, K. M., Lilly, A. A., Taub, D. M. 1996. Formation of outdoor multimal breeding groups of rhesus macaques. Proceedings of the Congress of the International Primatological Society and Conference of the American Society of Primatologists, 671 (Abstract).

The effectiveness of cage toys in reducing abnormal behavior in individually housed pigtail macaques

Abnormal behavior accounted for 24% [!] of the time during baseline observations. The repeated provision of several toys resulted in a significant decrease in abnormal behaviors during the first 30 minutes. The new toys were used for 27% of the...

Year Published: 1996Animal Type: Macaque, Nonhuman Primate

Citation: Kessel, A. L., Brent, L. 1996. The effectiveness of cage toys in reducing abnormal behavior in individually housed pigtail macaques. Proceedings of the Congress of the International Primatological Society and Conference of the American Society of Primatologists, 519 (Abstract).

Group formation of female pigtail macaques (Macaca nemestrina)

Eight adult females and one adult male were moved from individual cages and simultaneously introduced. The animals showed conspicuous physiological stress responses though they established a dominance hierarchy with no serious fighting and a complete absence of wounding.

Year Published: 1996Animal Type: Macaque, Nonhuman Primate

Citation: Gust, D. A., Gordon, T. P., Wilson, M. E. et al. 1996. Group formation of female pigtail macaques (Macaca nemestrina). American Journal of Primatology 39, 263-273.

Effect of companions in modulating stress associated with new group formation in juvenile rhesus macaques

To determine if the presence of one or more familiar peers buffers the physiological effect of a stressor, 10 juvenile rhesus monkeys were removed from their natal group and placed together to form a new peer group. Six of the...

Year Published: 1996Animal Type: Macaque, Nonhuman Primate

Citation: Gust, D. A., Gordon, T. P., Brodie, A. R. et al. 1996. Effect of companions in modulating stress associated with new group formation in juvenile rhesus macaques. Physiology and Behavior 59(4-5), 941-945.

Multiple daily dosing regimens need not be a barrier to group housing of primates undergoing toxicology studies

It is demonstrated how same-sex group-housing of long-tailed macaques and regulatory toxicology are compatible.

Year Published: 1996Animal Type: Macaque, Nonhuman Primate

Citation: Grainger, S. , Sheppard, D. B. 1996. Multiple daily dosing regimens need not be a barrier to group housing of primates undergoing toxicology studies. In: Harmonization of Laboratory Animal Husbandry. O'Donoghue, P. N. (ed. ), 26-27. Royal Society of Medicine Press, London, UK.

Hormonal response to restraint in rhesus monkeys

These experiments indicate clearly that placement in a restraining chair represents a stimulus of different systems in monkeys. The responses observed in the present study are predominantly psychoendocrine responses to unconditioned emotional stimuli associated with the chair-restraint situation, despite the...

Year Published: 1996Animal Type: Macaque, Nonhuman Primate

Citation: Gauquelin-Koch, G., Blanquie, J.-P., Florence, G. et al. 1996. Hormonal response to restraint in rhesus monkeys. Journal of Medical Primatology 25, 387-396.