Efficacy of 3 Types of Foraging Enrichment for Rhesus Macaques (Macaca mulatta)

被引:0
|
作者
Gottlieb, Daniel H. [1 ,2 ]
Ghirardo, Stephanie [1 ]
Minier, Darren E. [1 ,4 ]
Sharpe, Nicole [1 ,2 ]
Tatum, Lindsay [1 ]
McCowan, Brenda [1 ,3 ]
机构
[1] Univ Calif Davis, Calif Natl Primate Res Ctr, Davis, CA 95616 USA
[2] Univ Calif Davis, Anim Behav Grad Grp, Davis, CA 95616 USA
[3] Univ Calif Davis, Sch Vet Med, Davis, CA 95616 USA
[4] George Mason Univ, MAIS, Fairfax, VA 22030 USA
来源
JOURNAL OF THE AMERICAN ASSOCIATION FOR LABORATORY ANIMAL SCIENCE | 2011年 / 50卷 / 06期
关键词
SELF-INJURIOUS-BEHAVIOR; NONHUMAN-PRIMATES; MONKEYS; STEREOTYPIES; DISINHIBITION; ENVIRONMENT; ANIMALS; FOOD;
D O I
暂无
中图分类号
S85 [动物医学(兽医学)];
学科分类号
0906 ;
摘要
Primate facilities provide environmental enrichment to improve animal wellbeing, increase opportunities for expression of species-typical behaviors, and decrease the occurrence of stereotypic behaviors. The current study assessed the efficacy of 3 types of foraging enrichment: puzzle balls, supertubes, and shakers. We assigned 48 rhesus macaques to 3 experimental groups, each of which received (after a 3-wk baseline observation period) 1 of the 3 enrichment devices intermittently for 3 wk. Observations were collected during 10-min sessions by using 1-0 sampling with 15-s intervals (480 h total). Observations were collected at the same 10 specified time points each week during the baseline period and after enrichment. Data were analyzed by using generalized linear mixed-effects modeling under the assumption that the underlying response followed a Poisson distribution. Foraging behavior increased significantly in all 3 groups and remained increased in some groups when enrichment was removed after 43 h. The 3 enrichment devices had different effects on individual expression of stereotypy: supertubes decreased it, shakers increased it, and puzzle balls led to a decrease followed by an increase. We present potential reasons for the changes in stereotypy and postulate a likely balance between the beneficial and negative effects of enrichment in any given environment.
引用
收藏
页码:888 / 894
页数:7
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