Effects of food size on foraging time and behavior of captive ring-tailed lemurs (<i>Lemur catta</i>)
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- Murakami Shoki
- Osaka Aquarium NIFREL
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- Otani Yuki
- International Affairs Office, Faculty of Veterinary Medicine, Hokkaido University Jeanne Marchig International Centre for Animal Welfare Education, The Royal (Dick) School of Veterinary Studies, The University of Edinburgh
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- Doi Hiroyuki
- Osaka Aquarium NIFREL
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- Obata Hiroshi
- Osaka Aquarium NIFREL
Bibliographic Information
- Other Title
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- 餌の大きさが飼育下ワオキツネザルの採食時間と行動に与える影響
Abstract
<p>It is a common practice in zoos to provide chopped diets to exhibit animals for the purpose of increasing time spent foraging and reducing aggression between group-housed animals, but the studies to measure effects of this practice is still limited. In this study, 10 ring-tailed lemurs in captivity at NIFREL were examined for 30 minutes to observe their behaviors when fed chopped food (1×1×1 cm) or stick-shaped food (1×1×6 cm). As results, ring-tailed lemurs picked up chopped food directly from the floor using their mouths, whereas they ate stick-shaped food by holding it with their forelimbs. In the 30-minute observation, no significant difference was observed between conditions in percentage of time spent for feeding/foraging. On the other hand, the percentage of time spent for allo-grooming significantly increased when stick-shaped food was given (P <0.05). Although similar time-course change of their behavior was seen despite of different shape of food, auto-grooming behavior was significantly more often observed between 11 to 20 minutes in the observation when stick-shaped food was presented than so was chopped food. These results show ring-tailed lemurs could change their behaviors when fed small-chopped food or large stick-shaped food, whereas no extension of time spent feeding/foraging was observed which highlights importance of assessing the effect of feeding animals with chopped food.</p>
Journal
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- Animal Behaviour and Management
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Animal Behaviour and Management 59 (4), 145-151, 2023-12-25
Japanese Society for Animal Behaviour and Management
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Details 詳細情報について
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- CRID
- 1390861847633880576
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- ISSN
- 24350397
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- Text Lang
- ja
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- Data Source
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- JaLC
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- Abstract License Flag
- Disallowed