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Divergent stress coping styles in juvenile brown trout (Salmo trutta)
Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology, Comparative Physiology. Department of Ecology and Evolution, Animal Ecology. jämförande fysiologi. (fiskfysiologi)
Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology, Comparative Physiology. Department of Ecology and Evolution, Animal Ecology. populationsbiologi.
Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology. Uppsala University, Teknisk-naturvetenskapliga vetenskapsområdet, Faculty of Science and Technology, Biology, Department of Physiology and Developmental Biology, Comparative Physiology. Department of Ecology and Evolution, Animal Ecology. jämförande fysiologi. (fiskfysiologi)
2005 (English)In: ANNALS OF THE NEW YORK ACADEMY OF SCIENCES: TRENDS IN COMPARATIVE ENDOCRINOLOGY AND NEUROBIOLOGY, Vol. 1040, 239-245 p.Article in journal (Refereed) Published
Abstract [en]

Two distinct stress coping styles, proactive and reactive, have been stated in various animal studies. This divergence in coping has also been indicated in salmonid fish. Here, we test the hypothesis that divergent stress coping styles are identifiable in a sea-ranched brown trout population. To that end, we used a series of tests on individual juvenile brown trout, with each test including a common key aspect of the two different coping styles. Using a clustering method (SAS: PROC FASTCLUS), two groups that clearly differed both in blood chemistry (noradrenalin and adrenalin levels) following confinement and in behavior during hypoxia were identified.

Place, publisher, year, edition, pages
2005. Vol. 1040, 239-245 p.
Keyword [en]
brown trout; Salmo trutta; teleost fish; stress coping; stress response; noradrenalin; adrenalin; dopamine; cortisol; hypoxia; confinement; resident-intruder
National Category
Zoology
Identifiers
URN: urn:nbn:se:uu:diva-77022OAI: oai:DiVA.org:uu-77022DiVA: diva2:104934
Available from: 2006-12-15 Created: 2006-12-15 Last updated: 2011-01-11

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Brelin, DanielPetersson, ErikWinberg, Svante

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