Metabolic Rate, Q10 and Respiratory Quotient (RQ) in Crocodylus porosus, and Some Generalizations about Low RQ in Reptiles
Metabolic Rate, Q10 and Respiratory Quotient (RQ) in Crocodylus porosus, and Some Generalizations about Low RQ in Reptiles
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多孔鳄的代谢率、Q10 和呼吸商 (RQ),以及爬行动物低 RQ 的一些概括
DOI:
10.1086/physzool.51.4.30160960
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发表时间:
1978
期刊:
影响因子:
--
通讯作者:
G. Grigg
中科院分区:
文献类型:
--
作者:
G. Grigg
In juvenile Crocodylus porosus, the dependence of oxygen consumption on temperature can be described by the relationship log10 \documentclass{aastex}
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\begin{document}$${\mathrm{Q_{O_{2}}}}$$\end{document} = 0.7221 + 0.0428T C. The Q10 was found to be 2.68 over the temperature range 20-33 C. No trend was observed between body weight and weight-specific oxygen consumption. At Ta (27-33 C) respiratory quotient (RQ) (measured gasometrically) was invariably low (0.32 - 0.74, mean 0.49, 0.13 SD) in animals from freshwater. The low values of gasometric RQ are attributed to incorporation of carbon dioxide in the urine, forming ammonium bicarbonate. Support for this hypothesis is afforded by the similarity of measured values (0.49) to values predicted by the hypothesis (0.51).