Nonhuman Primate

Effect of enclosure size and complexity on the behaviors of captive chimpanzees (Pan troglodytes)

Changes in behavior of 5 adult chimpanzees that coincided with transfer to a larger, complex environment are described. The percentage of time spent traveling nearly doubled in the larger enclosure. The animals used all structures and all areas in the...

Year Published: 2001Animal Type: Chimpanzee, Nonhuman Primate

Citation: Jensvold, M. L. A., Sanz, C. M., Fouts, R. S. et al. 2001. Effect of enclosure size and complexity on the behaviors of captive chimpanzees (Pan troglodytes). Journal of Applied Animal Welfare Science 4, 53-69.

The effects of privacy walls on aggression in a captive group of rhesus macaques (Macaca mulatta)

Preliminary results suggest that non-contact aggression (vocalizations, fear grimaces, chases, and threats) is significantly reduced after the introduction of the privacy walls (p

Year Published: 2001Animal Type: Macaque, Nonhuman Primate

Citation: McCormack, K., Megna, N. L. 2001. The effects of privacy walls on aggression in a captive group of rhesus macaques (Macaca mulatta). American Journal of Primatology 54(Supplement 1), 50-51 (Abstract).

Effects of chair restraint on the strength of the tibia in rhesus monkeys

To determine the effects of the relative inactivity .. we used a non-invasive test to measure bending stiffness, or EI. ... Five monkeys, restrained in chairs for 14 days, showed decreases in EI.

Year Published: 2001Animal Type: Macaque, Nonhuman Primate

Citation: Hutchinson, T. M., Bakulin, A. V., Rakhmanov, A. S. et al. 2001. Effects of chair restraint on the strength of the tibia in rhesus monkeys. Journal of Medical Primatology 30, 313-321.

Psychological wellbeing of common marmoset (Callithrix jacchus) females living in same-sex pairs

Common marmosets are often housed in same-sex pairs in laboratories for practical reasons. .. We found that females in same-sex pairs spent more time watching out of their cages than those in family groups, but we found no other significant...

Year Published: 2001Topics: Social Housing & CompanionshipAnimal Type: Marmoset, Nonhuman Primate

Citation: Majolo, B., Buchanan-Smith, H. M. 2001. Psychological wellbeing of common marmoset (Callithrix jacchus) females living in same-sex pairs. Primate Eye 74, 9-10 (Abstract).

Mr. Sockies for Chimpanzees

The Primate Foundation of Arizona (PFA) makes Mr. Sockies for chimpanzees. They consist of a food treat (popcorn, pretzel, crackers, etc...) knotted inside a sock or small piece of fabric (10' or less). The legs of old jeans work well....

Year Published: 2001Topics: Environmental EnrichmentAnimal Type: Chimpanzee, Nonhuman Primate

Citation: Howell, S. M., Fritz, J. 2001. Mr. Sockies for Chimpanzees. Primate Enrichment Network (PEN), Item #: A108.

Factors affecting the successful pairing of unfamiliar common marmoset (Callithrix jacchus) females

There are no data available on factors affecting the success rate for pair formation in female marmosets. Same sex aggression between unrelated females is well documented in marmosets, yet laboratories frequently require individuals of the same sex to be housed...

Year Published: 2001Animal Type: Marmoset, Nonhuman Primate

Citation: Majolo, B., Buchanan-Smith, H. M., Morris, K. 2001. Factors affecting the successful pairing of unfamiliar common marmoset (Callithrix jacchus) females. Primate Eye 73, 12-13 (Abstract).

A community-based occupational enrichment program for captive chimpanzees

Providing sufficient materials for a relatively large number [76] of animals can be difficult and costly in terms of staff time and materials. To relieve the financial burden, our enrichment program relies on donated materials or those purchased at relatively...

Year Published: 2001Topics: Environmental EnrichmentAnimal Type: Chimpanzee, Nonhuman Primate

Citation: Howell, S., Fritz, J., Schwandt, M. et al. 2001. A community-based occupational enrichment program for captive chimpanzees. Lab Animal 30(8), 30-33.

Self-injurious behavior in male rhesus macaques: association with aggression and stress

When levels of stress or arousal were held constant, self-biting was independent of social aggression.

Year Published: 2001Animal Type: Macaque, Nonhuman Primate

Citation: Lutz, C. K., Marinus, L., Chase, W. et al. 2001. Self-injurious behavior in male rhesus macaques: association with aggression and stress. American Journal of Primatology 54(Supplement ), 76-77 (Abstract).

Feeding gum arabic to New World monkeys: Species differences and palatability

Members of the New World primate generaCallithrixandCebuellahave specialisations for eating plant exudates. Exudates are also an important component of the diets of many other callitrichid species in the wild, especially at times of nutritional stress. Gum arabic is fed daily...

Year Published: 2001Animal Type: Marmoset, Nonhuman Primate, Other Nonhuman Primate

Citation: Herron, S., Price, E., Wormell, D. 2001. Feeding gum arabic to New World monkeys: Species differences and palatability. Animal Welfare 10(3), 249-256.

A cart cage for transferring macaques, capuchins, and small dogs

A novel mobile monkey transport cart cage allows ease of handling, safety, secure holding, good visual access to the monkeys, room for large macaques, and ease of assembly, all at a modest cost.

Year Published: 2001Topics: HandlingAnimal Type: Capuchin, Dog, Macaque, Nonhuman Primate

Citation: Lowery, T. 2001. A cart cage for transferring macaques, capuchins, and small dogs. Lab Animal 30(1), 45-46.