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Acclimation of the brown trout, Salmo trutta L., to the stress of daily exposure to malachite green

Pickering, A.D.; Pottinger, T.G.. 1985 Acclimation of the brown trout, Salmo trutta L., to the stress of daily exposure to malachite green. Aquaculture, 44 (2). 145-152. 10.1016/0044-8486(85)90017-1

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Abstract/Summary

Exposure of brown trout to a single dose of malachite green (2.27 ppm) caused a significant elevation of blood cortisol levels within 1 h. After 4 weeks of daily exposure to malachite green, however, this stress response was totally abolished. Daily treatment had no long-term effects on basal plasma cortisol levels, or on the numbers of circulating erythrocytes, thrombocytes and lymphocytes. Blood neutrophil numbers were significantly reduced in malachite green-treated fish, an effect thought to be due to a decreased ectoparasitic load.

Item Type: Publication - Article
Digital Object Identifier (DOI): 10.1016/0044-8486(85)90017-1
CEH Sections: _ Pre-2000 sections
ISSN: 0044-8486
Additional Keywords: brown trout, malachite green, anti-fungal, fungicide, stress response, habituation, acclimation, cortisol, erythrocytes, thrombocytes, lymphocytes, neutrophils, ectoparasite
NORA Subject Terms: Zoology
Biology and Microbiology
Date made live: 21 Sep 2015 13:29 +0 (UTC)
URI: http://nora.nerc.ac.uk/id/eprint/511190

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