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Issue:ISSN 1000-7083
          CN 51-1193/Q
Director:Sichuan Association for Science and Technology
Sponsored by:Sichuan Society of Zoologists; Chengdu Giant Panda Breeding Research Foundation; Sichuan Association of Wildlife Conservation; Sichuan University
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Your Position :Home->Past Journals Catalog->2009 Vol.28 No.6

Plasticity of Energy Metabolism and Behavior in Mice under A Random Food Restriction and Recovery
Author of the article:ZHAO Zhi-jun1, 2, WANG Rui-rui1, CAO Jing1
Author's Workplace: (1. School of Agricultural Science, Liaocheng University, Liaocheng, Shandong Province 252059, China; 2. Shandong Key Laboratory for Ecology and Biodiversity)
Key Words:food restriction; energy metabolism; behavior; recovery; KM mice; plasticity
Abstract:Body weight, food intake, basal metabolic rate (BMR), behavior, body fat, and gonad mass were measured in female KM mice that acclimated to a random food restriction (FR) and recovery. Food intake increased significantly, but body weight, gonad mass, BMR and activity decreased in FR mice and there was no group difference in fat mass. That all the parameters above recovered after re-feeding indicated a significant plasticity. The present data suggested that an energy trade-off was employed to meet unpredictable variation of food availability. The plasticity of energy metabolism and behavior played an important role in the trade-off strategy.
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