LotaV3, Main, Exploration, bibRecord, 000A87

Development and validation of a bioenergetics model for juvenile and adult burbot

Identifieur interne : 000A87 ( Main/Exploration ); précédent : 000A86; suivant : 000A88

Development and validation of a bioenergetics model for juvenile and adult burbot

Auteurs : J. J. P Kkönen [Finlande] ; O. Tikkanen [Finlande] ; J. Karjalainen [Finlande]

Source :

Journal of Fish Biology [ 0022-1112 ] ; 2003-10.

RBID : ISTEX:EA7B9C300526D1EF46BA1D9A1949A7864E769378

Descripteurs français

Pascal (Inist)
- Accumulation biologique, Animal jeune, Biphényle(polychloro), Consommation alimentaire, Consommation oxygène, Croissance, Estimation, Etude en laboratoire, Etude sur terrain, Lota lota, Modèle bioénergétique, Méthode, Validation.
Wicri :
- topic : Consommation alimentaire.

English descriptors

KwdEn :
- Bioenergetic model, Biological accumulation, Estimation, Field study, Food intake, Growth, Laboratory study, Lota lota, Method, Oxygen consumption, PCB, Polychlorobiphenyl, Validation, Young animal, bioenergetics, burbot, oxygen consumption.

Abstract

Oxygen consumption of juvenile and adult burbot Lota lota was measured in an intermittent‐flow respirometer to determine the effect of temperature and fish body mass on metabolic rate. These results were combined with data from earlier experiments and the ‘Wisconsin bioenergetics’ model was constructed. The model was validated under laboratory conditions by comparing observed and predicted food consumption and growth of burbot fed on dead vendace Coregonus albula. There was a good correspondence between observed and estimated growth and food consumption under experimental conditions: the mean absolute per cent errors of growth and food consumption were 4·8 and 24·0%. Estimated values with the new model were an improvement over the Atlantic cod Gadus morhua model previously used for burbot. In the field, the reliability of food consumption estimates was verified by using polychlorinated biphenyls (PCB) accumulation as an indirect indicator of the food consumption rate. The total PCB concentration of nine out of 13 burbot was estimated accurately. Thus, the burbot model produced good estimates of food consumption, even under field conditions.

Url:

https://api.istex.fr/document/EA7B9C300526D1EF46BA1D9A1949A7864E769378/fulltext/pdf

DOI: 10.1046/j.1095-8649.2003.00203.x

Affiliations:

Le document en format XML

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<front><div type="abstract" xml:lang="en">Oxygen consumption of juvenile and adult burbot Lota lota was measured in an intermittent‐flow respirometer to determine the effect of temperature and fish body mass on metabolic rate. These results were combined with data from earlier experiments and the ‘Wisconsin bioenergetics’ model was constructed. The model was validated under laboratory conditions by comparing observed and predicted food consumption and growth of burbot fed on dead vendace Coregonus albula. There was a good correspondence between observed and estimated growth and food consumption under experimental conditions: the mean absolute per cent errors of growth and food consumption were 4·8 and 24·0%. Estimated values with the new model were an improvement over the Atlantic cod Gadus morhua model previously used for burbot. In the field, the reliability of food consumption estimates was verified by using polychlorinated biphenyls (PCB) accumulation as an indirect indicator of the food consumption rate. The total PCB concentration of nine out of 13 burbot was estimated accurately. Thus, the burbot model produced good estimates of food consumption, even under field conditions.</div>
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Development and validation of a bioenergetics model for juvenile and adult burbot

Development and validation of a bioenergetics model for juvenile and adult burbot

Source :

Descripteurs français

English descriptors

Abstract

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