| Effect of periodical water current on the phasing of demand feeding rhythms in sea bass (Dicentrarchus labrax L.). | |
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MedLine Citation:
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PMID: 15985274 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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The demand feeding rhythms of sea bass (Dicentrarchus labrax L.) maintained at rest or subjected to exercise (increase in swimming activity) as a result of an induced water current are compared. Both sea bass kept individually and in group (4 and 8 individuals) shifted their food demands towards the exercise period or to just after the same (the latter especially in individually kept fish). The origin of such a response is discussed in view of innate behaviour, the energy cost of locomotor activity and changes in agonistic behaviour. Induced diurnal exercise favoured diurnal feeding. The periodic exercise regime led to lower rates of daily feeding pattern inversions (diurnal-to-nocturnal or vice-versa). Sea bass were capable of learning to press an exercise sensor and to distinguishing exercise sensors from demand feeding sensors. |
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Authors:
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J Cerezo Valverde; P Mendiola López; J de Costa Ruiz |
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Publication Detail:
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Type: Comparative Study; Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Physiology & behavior Volume: 85 ISSN: 0031-9384 ISO Abbreviation: Physiol. Behav. Publication Date: 2005 Jul |
Date Detail:
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Created Date: 2005-07-25 Completed Date: 2006-01-04 Revised Date: 2006-11-15 |
Medline Journal Info:
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Nlm Unique ID: 0151504 Medline TA: Physiol Behav Country: United States |
Other Details:
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Languages: eng Pagination: 394-403 Citation Subset: IM |
Affiliation:
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Department of Physiology, Faculty of Biology, University of Murcia, Campus de Espinardo, 30100 Murcia, Spain. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Animals Bass / physiology* Behavior, Animal Circadian Rhythm / physiology* Feeding Behavior / physiology* Marine Biology Motor Activity / physiology Photoperiod Physical Conditioning, Animal / methods |
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