Effects of woodchips and buried food on behavior patterns and psychological well‐being of captive rhesus monkeys

Effects of woodchips and buried food on behavior patterns and psychological well‐being of... The effects of adding woodchip litter to bare‐floored pens, burying monkey chow in the woodchips, and scattering sunflower seeds in woodchips was studied in 2 stable social groups of rhesus macaques (Macaca mulatta) to ascertain the effects of these manipulations on levels of foraging, exploration, abnormal behavior, social interactions, and urinary cortisol levels. The addition of woodchips increased exploration and feeding levels and decreased social interactions. Burial of regular monkey chow in woodchips had little effect on behavior beyond that of the woodchips alone, increasing exploration and decreasing passivity. The addition of sunflower seeds to the woodchips encouraged increased feeding and exploration and led to decreases in passivity and social interaction. There was little discernible effect of woodchip enrichment on urinary cortisol values. In contrast to some previous studies, there was no effect of wood chips or sunflower seeds on the occurrence of agonistic interactions, play, or abnormal behavior patterns. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png American Journal of Primatology Wiley

Effects of woodchips and buried food on behavior patterns and psychological well‐being of captive rhesus monkeys

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Publisher
Wiley
Copyright
Copyright © 1991 Wiley‐Liss, Inc., A Wiley Company
ISSN
0275-2565
eISSN
1098-2345
D.O.I.
10.1002/ajp.1350230302
Publisher site
See Article on Publisher Site

Abstract

The effects of adding woodchip litter to bare‐floored pens, burying monkey chow in the woodchips, and scattering sunflower seeds in woodchips was studied in 2 stable social groups of rhesus macaques (Macaca mulatta) to ascertain the effects of these manipulations on levels of foraging, exploration, abnormal behavior, social interactions, and urinary cortisol levels. The addition of woodchips increased exploration and feeding levels and decreased social interactions. Burial of regular monkey chow in woodchips had little effect on behavior beyond that of the woodchips alone, increasing exploration and decreasing passivity. The addition of sunflower seeds to the woodchips encouraged increased feeding and exploration and led to decreases in passivity and social interaction. There was little discernible effect of woodchip enrichment on urinary cortisol values. In contrast to some previous studies, there was no effect of wood chips or sunflower seeds on the occurrence of agonistic interactions, play, or abnormal behavior patterns.

Journal

American Journal of PrimatologyWiley

Published: Jan 1, 1991

References

  • Successful feeding enrichment for captive chimpanzees
    Bloomsmith, Bloomsmith; Alford, Alford; Maple, Maple

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