Exceptionally low daily energy expenditure in the bamboo-eating giant panda

Author:

Nie Yonggang1,Speakman John R.23,Wu Qi1,Zhang Chenglin4,Hu Yibo1,Xia Maohua4,Yan Li1,Hambly Catherine3,Wang Lu2,Wei Wei1,Zhang Jinguo4,Wei Fuwen1

Affiliation:

1. Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China.

2. State Key Laboratory of Molecular Developmental Biology, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, China.

3. Institute of Biological and Environmental Sciences, University of Aberdeen, Aberdeen, Scotland, UK.

4. Beijing Key Laboratory of Captive Wildlife Technologies, Beijing Zoo, Beijing, China.

Abstract

Laid-back bamboo eater Pandas are members of the order Carnivora but are entirely herbivorous, living almost exclusively on bamboo. Unlike most other herbivorous species, however, their digestive tract has not evolved the long twists and turns that facilitate the slower digestion necessary for cellulose-rich plants. Nie et al. measured energy expenditure in both wild and captive pandas, which was extremely low, relative to other mammals. The pandas' thyroid hormone levels are also a fraction of the mammalian norm. Science , this issue p. 171

Funder

National Natural Science Foundation of China

NSFC

Chinese Academy of Sciences

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference51 articles.

1. G. B. Schaller J. C. Hu W. S. Pan J. Zhu The Giant Panda of Wolong (Univ. of Chicago Press Chicago 1985).

2. Utilization of bamboo by the giant panda;Dierenfeld E. S.;J. Nutr.,1982

3. Giant Pandas Are Not an Evolutionary cul-de-sac: Evidence from Multidisciplinary Research

4. W. S. Pan Z. Lv X. J. Zhu D. J. Wang H. Wang Y. Long D. L. Fu X. Zhou A Chance for Lasting Survival W. J. McShea R. B. Harris D. L. Garshelis D. J. Wang Eds. (Smithsonian Institution Scholarly Press Washington DC 2014).

5. Measuring metabolic rate in the field: the pros and cons of the doubly labelled water and heart rate methods

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