Nonhuman Primate

The Sacred Monkeys of Bali

Excellent overview of species-typical behavior of wild long-tailed macaques. The study tropp spent more than 97 percent of their time in the trees. ... It is very doubtful, however, that terrestriality ever exceeded 10 percent of the day.

Year Published: 1999Animal Type: Macaque, Nonhuman Primate

Citation: Wheatley, B. P. 1999. The Sacred Monkeys of Bali. Waveland Press, Prospect Heights, IL.

Effective strategy for evaluating tactile enrichment devices for singly caged macaques

We present a simple, yet effective, tactile device scoring system used with singly caged macaques indicating that creating and documenting enrichment ideas can be accomplished without a large personnel and budgetary commitment.Abstract of this work has been published in: Contemporary...

Year Published: 1999Topics: Environmental EnrichmentAnimal Type: Macaque, Nonhuman Primate

Citation: Rice, T. R., Harvey, H., Kayheart, R. et al. 1999. Effective strategy for evaluating tactile enrichment devices for singly caged macaques. Contemporary Topics in Laboratory Animal Science 38(5), 24-26.

Rhesus macaque (Macaca mulatta) group formation and housing: Wounding and reproduction in a specific pathogen free (SPF) colony

Initially small groups were formed consisting of one male and up to eight females. Subsequently larger groups [about 3 males and 21 females] were formed by releasing group members simultaneously or incrementally. Wounding rates were higher among males than among...

Year Published: 1999Animal Type: Macaque, Nonhuman Primate

Citation: Westergaard, G. C., Izard, M. K., Drake, J. D. et al. 1999. Rhesus macaque (Macaca mulatta) group formation and housing: Wounding and reproduction in a specific pathogen free (SPF) colony. American Journal of Primatology 49, 339-347.

The monkey cave: The dark lower-row cage

The typical lower-row cage provides a cave-like housing environment which may impair well-being, invalidate research data, and undermine good housekeeping.

Year Published: 1999Animal Type: Nonhuman Primate

Citation: Reinhardt, V., Reinhardt, A. 1999. The monkey cave: The dark lower-row cage. Laboratory Primate Newsletter 38(3), 8-9.

Can puzzle feeders be used as cognitive screening instruments? Differential performance of young and aged female monkeys on a puzzle feeder task

The monkeys' interest seemed directed more toward the task than the reward, as evidenced by the observation that animals would occasionally discard an uneaten pellet in order to work on the task at the next level of difficulty.

Year Published: 1999Animal Type: Nonhuman Primate

Citation: Watson, S. L., Shively, C. A., Voytko, M. L. 1999. Can puzzle feeders be used as cognitive screening instruments? Differential performance of young and aged female monkeys on a puzzle feeder task. American Journal of Primatology 49, 195-202.

Are legal cage space requirements sound? Laboratory Primate Newsletter 38(2), 5-6

In order to make the minimum cage space requirements of the Animal Welfare Act more realistic, an amendment is needed which explicitly states that perches, ledges, swings, or other suspended fixtures have to be placed in such a way that...

Year Published: 1999Animal Type: Nonhuman Primate

Citation: Reinhardt, V., Reinhardt, A. 1999. Are legal cage space requirements sound? Laboratory Primate Newsletter 38(2), 5-6.

Exposure to novelty enhances problem-solving proficiency in cynomolgus macaques (Macaca fascicularis)

Year Published: 1999Animal Type: Macaque, Nonhuman Primate

Citation: Watson, S. L., Stavisky, R., Kaplan, J. 1999. Exposure to novelty enhances problem-solving proficiency in cynomolgus macaques (Macaca fascicularis). American Journal of Primatology 49(1), 113 (Abstract).

Pair-housing overcomes self-biting behavior in macaques

Subjects exhibited self-biting behavior predictably in the presence of personnel. "The transfer to a compatible social-housing arrangement [isosexual pair-housing] effectively cured the [seven] rhesus subjects from the behavioral pathology of habitual self-biting."

Year Published: 1999Animal Type: Macaque, Nonhuman Primate

Citation: Reinhardt, V. 1999. Pair-housing overcomes self-biting behavior in macaques. Laboratory Primate Newsletter 38(1), 4.

A behavioral comparison of male rhesus macaques (Macaca mulatta) in four different housing conditions

Animals in socially restricted housing [single-housing, single-housing with intermittent social contact] paced significantly more, locomoted significantly less and were more aggressive than subjects housed in groups.

Year Published: 2000Topics: Social Housing & CompanionshipAnimal Type: Macaque, Nonhuman Primate

Citation: Chase, W. K., Marinus, L. M., Novak, M. A. 2000. A behavioral comparison of male rhesus macaques (Macaca mulatta) in four different housing conditions. American Journal of Primatology 51, Supplement 1, 51 (Abstract).

Environmental enrichment effects of a tool using task for captive chimpanzees

Year Published: 2000Topics: Environmental EnrichmentAnimal Type: Chimpanzee, Nonhuman Primate

Citation: Celli, M. L., Tomonaga, M., Udono, T. et al. 2000. Environmental enrichment effects of a tool using task for captive chimpanzees. Reichorui Kenkyu/Primate Research 16, 278 (Abstract).