Preference assessments as a tool to evaluate environmental enrichment,Zoo Biology

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Preference assessments as a tool to evaluate environmental enrichment
Zoo Biology ( IF 1.2 ) Pub Date : 2020-08-19 , DOI: 10.1002/zoo.21566
Jocelyn M Woods ₁ , Erin K Lane ₂ , Lance J Miller _{1,

2}

Affiliation

Environmental enrichment is an important tool utilized to improve animal welfare in zoological institutions through opportunity for mental and physical stimulation. Many past studies have focused on the impact enrichment has on animal behavior; however, none have conducted preference assessments on enrichment items to examine the relationship between animals' preferences and interaction with enrichment over a 24-hr period. Ten-minute free operant, paired-choice preference assessments were implemented in Study 1 to determine the enrichment preferences of African lions (N = 3). Following Study 1, Study 2 was conducted, which examined the behavior of African lions with enrichment items over the course of 30, 24-hr trials to evaluate the relationship between preferences established in Study 1 and long-term interaction with the enrichment. Generalized estimating equations revealed a statistically significant relationship between the percentage of time the enrichment was approached first and the average duration of interaction in Study 1 to the total duration of interaction and the percent of hours interacted with the item in Study 2. Additionally, the first 2 min of the preference data resulted in comparable statistically significant findings, demonstrating shorter preference assessments can produce similar results. The results support our prediction that preference assessments can be used to estimate the amount of interaction with enrichment over the course of time, with preferred items being interacted with more frequently and in longer duration. Information gained from this study suggests preference assessments can be a time and cost-effective tool to evaluate enrichment preference and predicted efficacy.

中文翻译：

偏好评估作为评估环境丰富度的工具

环境丰富是一种重要的工具，用于通过精神和身体刺激的机会改善动物园机构的动物福利。许多过去的研究都集中在富集对动物行为的影响上。然而，没有人对富集项目进行偏好评估，以检查动物偏好与 24 小时内与富集相互作用之间的关系。在研究 1 中实施了 10 分钟自由操作、配对选择偏好评估，以确定非洲狮 (N = 3) 的丰富偏好。在研究 1 之后，进行了研究 2，该研究在 30 次 24 小时的试验过程中检查了非洲狮在富集项目中的行为，以评估研究 1 中建立的偏好与与富集的长期互动之间的关系。广义估计方程显示，首先接近富集的时间百分比和研究 1 中交互的平均持续时间与交互总持续时间和研究 2 中与项目交互的小时数百分比之间存在统计学上的显着关系。此外，第一个2 分钟的偏好数据导致了可比较的统计显着性结果，表明更短的偏好评估可以产生类似的结果。结果支持我们的预测，即偏好评估可用于估计随时间推移与丰富的交互量，偏好项目的交互频率更高，持续时间更长。

更新日期：2020-08-19

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