Metabolic loss of organic carbon by the polychaete Capitella capitata (Fabricius) estimated from initial weight decrease during starvation, oxygen uptake, and release of 14C by uniformly-labeled animals

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Abstract
Rate of metabolic loss of organic C by the polychaete C. capitata (Fabricius) was estimated by following the initial decrease in weight during starvation. This estimate was compared to estimates from measuring O2 uptake and loss of 14C as 14CO2 and DO14C from uniformly-labeled worms. There was general agreement between the methods at all 3 experimental temperatures (10.degree., 20.degree., 30.degree. C). The weight loss method method may be a useful alternative to O2 uptake for estimating metabolism in some instances.

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