NDLI: Acclimation and Deacclimation of Brown Trout (Salmo trutta) to Zinc and Copper Singly and in Combination with Cadmium or Copper

Content Provider	Springer Nature Link
Author	Brinkman, Stephen F. Woodling, John D.
Copyright Year	2014
Abstract	Brown trout (Salmo trutta) were chronically exposed to low and high levels of zinc (Zn) alone, copper (Cu) alone, a Zn–Cu mixture, and a Zn–cadmium (Cd) mixture all starting with eyed eggs and continuing through to the fingerling stage. Exposure to the metals and metal mixtures resulted in acclimation as measured by greater median lethal concentrations (LC50) values relative to metal-naïve fry. The degree of acclimation was similar between the low and high exposures except for Cu, where acclimation was observed at the high but not the low acclimation level. The increases in tolerance relative to metal-naïve controls were usually less than a factor of 2 and never exceeded a factor of 3. Acclimation exposures did not affect hatch or survival except for the high-acclimation regime of Zn plus Cu. Acclimation came at an apparent metabolic cost because growth was decreased by most acclimation exposures. Deacclimation, as evidenced by a return of LC50 values to naïve levels, occurred after 2–5 weeks in clean water.
Starting Page	214
Ending Page	223
Page Count	10
File Format	PDF
ISSN	00904341
Journal	Archives of Environmental Contamination and Toxicology
Volume Number	67
Issue Number	2
e-ISSN	14320703
Language	English
Publisher	Springer US
Publisher Date	2014-04-26
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Ecotoxicology Pollution Environmental Health Environmental Chemistry Soil Science & Conservation Environmental Monitoring/Analysis
Content Type	Text
Resource Type	Article
Subject	Pollution Health, Toxicology and Mutagenesis Medicine Toxicology

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