Factors influencing thiocyanate toxicity in rainbow trout Salmo gairdneri
- Alberta Environmental Centre, Vegreville, Alberta (Canada)
The toxicity of thiocyanate (SCN{sup {minus}}) to fish is influenced by the level of fish activity. This is evidenced most dramatically when fish are forced to perform short bouts of strenuous swimming, such as occurs during capture avoidance. Strenuous exercise of SCN{sup {minus}}-exposed fish results in sudden death syndrome, characterized by the immediate onset of convulsions, loss of equilibrium and buoyancy, flaring of the operculum, darkening of the skin epithelium and, within minutes, cessation of ventilation and extreme rigor. The present study was undertaken to examine the accumulation and toxicity of SCN{sup {minus}} in rainbow trout (Salmo gairdneri), in relation to exercise stress and ambient water quality. The effect of a single bout of exercise on blood SCN{sup {minus}} concentration was measured. In addition, effects of water hardness and Cl{sup {minus}} concentration on the accumulation of SCN{sup {minus}} in blood were determined.
- OSTI ID:
- 7104500
- Journal Information:
- Bulletin of Environmental Contamination and Toxicology; (USA), Vol. 43:3; ISSN 0007-4861
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
EXERCISE
BIOLOGICAL EFFECTS
THIOCYANATES
TOXICITY
TROUT
BEHAVIOR
BIOLOGICAL ACCUMULATION
BIOLOGICAL STRESS
CHLORIDES
IONS
WATER QUALITY
ANIMALS
ANTITHYROID DRUGS
AQUATIC ORGANISMS
CARBONIC ACID DERIVATIVES
CHARGED PARTICLES
CHLORINE COMPOUNDS
DRUGS
ENVIRONMENTAL QUALITY
FISHES
HALIDES
HALOGEN COMPOUNDS
HORMONE ANTAGONISTS
ORGANIC COMPOUNDS
ORGANIC SULFUR COMPOUNDS
VERTEBRATES
560300* - Chemicals Metabolism & Toxicology