Abstract
Abstracto1.Closed system respirometry was used to measure total and weight-specific oxygen consumption of female blue crabs, Callinectes sapidus, in their final premolt (D2-D4), molt (E) and postmolt (A1-B1) stages.2.Total oxygen consumption increased with an increase in wet weight. Weight-specific oxygen consumption decreased as wet weight increased.3.Premolt crabs had a greater oxygen consumption than molting or postmolt crabs. Weight-specific oxygen consumption was depressed in exuviating and early postmolt crabs (≤ 12 hr after withdrawal from exoskeleton). Crabs > 12 hr into the postmolt period showed an increased oxygen uptake. Closed system respirometry was used to measure total and weight-specific oxygen consumption of female blue crabs, Callinectes sapidus, in their final premolt (D2-D4), molt (E) and postmolt (A1-B1) stages. Total oxygen consumption increased with an increase in wet weight. Weight-specific oxygen consumption decreased as wet weight increased. Premolt crabs had a greater oxygen consumption than molting or postmolt crabs. Weight-specific oxygen consumption was depressed in exuviating and early postmolt crabs (≤ 12 hr after withdrawal from exoskeleton). Crabs > 12 hr into the postmolt period showed an increased oxygen uptake.
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