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https://hdl.handle.net/2440/51954
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dc.contributor.author | Fitzgibbon, Q. | - |
dc.contributor.author | Baudinette, R. | - |
dc.contributor.author | Musgrove, R. | - |
dc.contributor.author | Seymour, R. | - |
dc.date.issued | 2008 | - |
dc.identifier.citation | Comparative Biochemistry and Physiology Part A: Molecular and Integrative Physiology, 2008; 150(2):231-238 | - |
dc.identifier.issn | 1095-6433 | - |
dc.identifier.issn | 1531-4332 | - |
dc.identifier.uri | http://hdl.handle.net/2440/51954 | - |
dc.description | Copyright © 2006 Elsevier Inc. All rights reserved. | - |
dc.description.abstract | Routine metabolic rate (RMR) was measured in fasting southern bluefin tuna, Thunnus maccoyii, the largest tuna species studied so far (body mass=19.6 kg (+/-1.9 SE)). Mean mass-specific RMR was 460 mg kg(-1) h(-1) (+/-34.9) at a mean water temperature of 19 degrees C. When evaluated southern bluefin tuna standard metabolic rate (SMR) is added to published values of other tuna species, there is a strong allometeric relationship with body mass (423 M(0.86), R(2)=0.97). This demonstrates that tuna interspecific SMR scale with respect to body mass similar to that of other active teleosts, but is approximately 4-fold higher. However, RMR (not SMR) is most appropriate in ram-ventilating species that are physiologically unable to achieve complete rest. Respiration was measured in a large (250,000 l) flexible polypropylene respirometer (mesocosm respirometer) that was deployed within a marine-farm sea cage for 29 days. Fasted fish were maintained within the respirometer up to 42 h while dissolved oxygen dropped by 0.056 (+/-0.004) mg l(-1) h(-1). Fish showed no obvious signs of stress. They swam at 1.1 (+/-0.1) fork lengths per second and several fed within the respirometer immediately after measurements. | - |
dc.description.statementofresponsibility | Q.P. Fitzgibbon, R.V. Baudinette, R.J. Musgrove and R.S. Seymour | - |
dc.description.uri | http://www.elsevier.com/wps/find/journaldescription.cws_home/525464/description#description | - |
dc.language.iso | en | - |
dc.publisher | Elsevier Science Inc | - |
dc.source.uri | http://dx.doi.org/10.1016/j.cbpa.2006.08.046 | - |
dc.subject | Animals | - |
dc.subject | Tuna | - |
dc.subject | Body Weight | - |
dc.subject | Oxygen | - |
dc.subject | Basal Metabolism | - |
dc.subject | Temperature | - |
dc.subject | Respiration | - |
dc.subject | Swimming | - |
dc.title | Routine metabolic rate of southern bluefin tuna (Thunnus maccoyii) | - |
dc.type | Journal article | - |
dc.identifier.doi | 10.1016/j.cbpa.2006.08.046 | - |
pubs.publication-status | Published | - |
dc.identifier.orcid | Seymour, R. [0000-0002-3395-0059] | - |
Appears in Collections: | Aurora harvest 5 Earth and Environmental Sciences publications |
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