Effects of body mass and temperature on standard metabolic rate of the herbivorous desert lizardUromastyx philbyi

1996 ◽  
Vol 33 (4) ◽  
pp. 457-461 ◽  
Author(s):  
Talal A. Zari
Keyword(s):  
Metabolic Rate ◽  
Body Mass ◽  
Standard Metabolic Rate

Effect of sloughing and digestion on metabolic rate in the Australian carpet python, Morelia spilota imbricata

1999 ◽  
Vol 47 (6) ◽  
pp. 605 ◽  
Author(s):  
Graham G. Thompson ◽  
Philip C. Withers
Keyword(s):  
Metabolic Rate ◽  
Body Mass ◽  
Standard Metabolic Rate ◽  
Two Factors

The standard metabolic rate for juvenile carpet pythons, Morelia spilota imbricata, with a mean body mass of 129.6 g (range 57.7–253 g) increased from 6.75 ± 0.96 (s.e.) mL h–1 to 42.6 ± 12.40 (s.e.) mL h–1 in 48 h after ingesting mice equal to approximately 23% of their body mass, at a temperature of 30°C. Sloughing increased metabolic rate to approximately 146% of standard metabolic rate at 30°C. Metabolic rate is elevated before the eyes become opaque and other visual signs indicate that a slough is imminent. The implications of these two factors when measuring standard metabolic rate are discussed.

scholarly journals Effects of Season, Temperature, and Body Mass on the Standard Metabolic Rate of Tegu Lizards (Tupinambis merianae)

2008 ◽  
Vol 81 (2) ◽  
pp. 158-164 ◽  
Author(s):  
Luís F. Toledo ◽  
Simone P. Brito ◽  
William K. Milsom ◽  
Augusto S. Abe ◽  
Denis V. Andrade
Keyword(s):  
Metabolic Rate ◽  
Body Mass ◽  
Standard Metabolic Rate ◽  
Tupinambis Merianae

scholarly journals The scaling and temperature dependence of vertebrate metabolism

2005 ◽  
Vol 2 (1) ◽  
pp. 125-127 ◽  
Author(s):  
Craig R White ◽  
Nicole F Phillips ◽  
Roger S Seymour
Keyword(s):  
Body Size ◽  
Metabolic Rate ◽  
Temperature Dependence ◽  
Body Mass ◽  
Standard Metabolic Rate ◽  
Power Scaling ◽  
Scaling Exponents ◽  
Magnitude Variation ◽  
Over 40 Years

Body size and temperature are primary determinants of metabolic rate, and the standard metabolic rate (SMR) of animals ranging in size from unicells to mammals has been thought to be proportional to body mass ( M ) raised to the power of three-quarters for over 40 years. However, recent evidence from rigorously selected datasets suggests that this is not the case for birds and mammals. To determine whether the influence of body mass on the metabolic rate of vertebrates is indeed universal, we compiled SMR measurements for 938 species spanning six orders of magnitude variation in mass. When normalized to a common temperature of 38 °C, the SMR scaling exponents of fish, amphibians, reptiles, birds and mammals are significantly heterogeneous. This suggests both that there is no universal metabolic allometry and that models that attempt to explain only quarter-power scaling of metabolic rate are unlikely to succeed.

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