Excess post hypoxic oxygen consumption in Atlantic cod (Gadus morhua)

Marie Plambech, Mikael van Deurs, J.F. Steffensen, B. Tirsgaard, Jane Behrens

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Abstract

Atlantic cod Gadus morhua experienced oxygen deficit (DO2 ) when exposed to oxygen levels below their critical level (c. 73% of pcrit) and subsequent excess post-hypoxic oxygen consumption (CEPHO) upon return to normoxic conditions, indicative of an oxygen debt. The mean±s.e. CEPHO:DO2 was 6·9±1·5, suggesting that resorting to anaerobic energy production in severe hypoxia is energetically
expensive
Original languageEnglish
JournalJournal of Fish Biology
Volume83
Issue number2
Pages (from-to)396-403
ISSN0022-1112
Publication statusPublished - 2013

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