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Zoological Research
Kunming Institute of Zoology, Chinese Academy of Sciences
ISSN: 2095-8137
Vol. 25, No. 2, 2004, pp. 117-121
Bioline Code: zr04020
Full paper language: Chinese
Document type: Research Article
Document available free of charge

Zoological Research, Vol. 25, No. 2, 2004, pp. 117-121

 en Metabolic Thermogenesis of Siberian Accentor ( Prunella montanella check for this species in other resources )
LIU Jin-song CHEN Ming-huan WANG Ying WANG Xiao-heng SONG Chun-guang

Abstract

To study the characteristics of energy metabolism,metabolic rate (MR),body temperature (Tb),and thermal conductance (C) were determined at a temperature range of 5-35° in 5 male and 3 female Siberian accentors ( Prunella montanella check for this species in other resources ) from Qiqihar City of Heilongjiang Province from April to June in 2003.MR was measured by using closed circuit respirometer,Tb was measured by insertion of a digital thermometer into the cloaca,and C was calculated using the formula:C=MR/(Tb-Ta,where Ta is ambient temperature.With a temperature range of 5-35°C,Siberian accentors can keep their Tbs stable 41.25±0.12°C.The mean minimum MR was 4.27±0.07 mL O2/(g·h).C was 0.26±0.00 mL O2/(g·h·°C) with a temperature range of 5-26.5°C.Within this range of temperatures,MR increased with the declining in Ta,and the relationship between MR and Ta can be described as:MR[mL O2/(g·h)]=10.39-0.24 Ta (°C) for Siberian accentors.The ecophysiological characteristics of Siberian accentors were high level in MR and Tb,relative higher in C.These properties might make them adapt to their environments and survive at relatively colder areas.

Keywords
Prunella montanella; Metabolic rate; Thermal conductance; Thermoregulation

 
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