年龄和性别对日本猕猴（Macaca fuscata）对同种个体电影的兴趣的影响。
The effects of age and sex on interest toward movies of conspecifics in Japanese macaques (Macaca fuscata).
作者信息
Tsuchida Junko, Izumi Akihiro
机构信息
Department of Behavioral and Brain Sciences, Primate Research Institute, Kyoto University, Aichi, Japan.
出版信息
J Am Assoc Lab Anim Sci. 2009 May;48(3):286-91.
Previous studies have suggested that images of conspecifics are useful for environmental enrichment for nonhuman primates, but whether the age and sex of the animals alter the effectiveness of such images is unclear. We investigated preferences to movies in Japanese macaques (Macaca fuscata; male and female; age, 2 to 19 y). Each monkey was housed individually in a cage outfitted with a touch-sensitive computer display. A subject monkey that touched the display was shown 1 of 30 movies that were recorded at an open enclosure containing their conspecifics. During the experimental sessions, 25 of 38 subjects touched the display at least once. The response duration was longer when monkeys appeared in the movies. The response duration decreased with age in male monkeys but not female monkeys. The results suggested the movies of conspecifics are useful for environmental enrichment, but further consideration seems appropriate for various subpopulations, particularly aged monkeys.
先前的研究表明，同种动物的图像对非人灵长类动物的环境丰富化有益，但动物的年龄和性别是否会改变此类图像的效果尚不清楚。我们调查了日本猕猴（猕猴属；雄性和雌性；年龄2至19岁）对影片的偏好。每只猴子单独饲养在一个配备了触摸感应电脑显示屏的笼子里。触摸显示屏的受试猴子会看到30部影片中的一部，这些影片是在一个有同种动物的露天围场拍摄的。在实验过程中，38只受试猴子中有25只至少触摸了显示屏一次。当猴子出现在影片中时，反应持续时间更长。雄性猴子的反应持续时间随年龄增长而缩短，而雌性猴子则不然。结果表明，同种动物的影片对环境丰富化有益，但对于不同亚群体，尤其是老年猴子，似乎需要进一步考虑。
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