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Mineral content and blood parameters of dying brown trout (Salmo trutta L.) exposed to acid and aluminum in soft water.

Authors
  • Sayer, M D
  • Reader, J P
  • Dalziel, T R
  • Morris, R
Type
Published Article
Journal
Comparative biochemistry and physiology. C, Comparative pharmacology and toxicology
Publication Date
Jan 01, 1991
Volume
99
Issue
3
Pages
345–348
Identifiers
PMID: 1685405
Source
Medline
License
Unknown

Abstract

1. Whole body mineral content and blood parameters were monitored in dying brown trout exposed to acid (pH 4.5) and aluminium (12 mumol l-1) at low external calcium concentration (20 mumol l-1). 2. Fish surviving the treatment had elevated haematocrit, low plasma sodium levels, and low whole body sodium and potassium content. 3. Dying trout had haematocrit and plasma sodium levels similar to treatment survivors, but whole body mineral content was unaffected and moisture content increased. 4. Death was probably caused by redistribution of fluid from the extracellular compartment to the intracellular compartment.

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