Metabolism and thermoregulation in the tree shrew, Tupaia belangeri

Zhang, L.; Cai, J.; Wang, Z.

Journal of Stress Physiology & Biochemistry, Vol. 8 No. 2 2012, pp. 167-178 ISSN 1997-0838
Original Text Copyright (cc) 2012 by Zhang, Cai and Wang

ORIGINAL ARTICLE

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Metabolism and thermoregulation in the tree shrew, Tupaia belangeri

Lin Zhang# , Jin-hong Cai# , Zheng-kun Wang*

School of Life Sciences of Yunnan Normal University, Kunming 650500, China
# Lin Zhang and Jin-hong Cai contributed equally to this work.
* Tel. : +8613708485996.

E-mail: wzk_930@yahoo.com.cn

Received March 28 2012

Maximum metabolic rate is a physiological limitation that is an important for animals' survival, reproduction and geographic. Basal metabolic rate (BMR), nonshivering thermogenesis (NST), and maximum metabolic rate (MMR) were measured was in a small mammal species, Tupaia belangeri, which is a unique species of small-bodied mammals in the Oriental realm. Thermal neutral zone (TNZ) was 30 - 35°C and BMR was 1.38±0.09 ml g^-1 h^-1. NST and MMR were 2.64±0.08 ml g^-1 h^-1 and 7.14±0.38 ml g^-1 h^-1 in summer, respectively. The ecophysiological properties of relatively high body temperature, wide TNZ, low BMR and thermogenic capacity enable this species to adapt to its environment.

Key words: Basal metabolic rate; Maximum metabolic rate; Nonshivering thermogenesis; Tupaia belangeri