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Analysis of Individual Versus Group Behavior of Zebrafish: a Model Using pH Sublethal Effects.
MedLine Citation:
PMID:  22467059     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
An image analysis biomonitoring system was used to evaluate sublethal effects of pH on the mean swimming velocity of zebrafish. Responses to stress were tested comparing individual and group responses. Group analysis indicated no effect for all acid pH and for pH 9.0-9.5. Individual analysis indicated behavioral differences for most acid pH and higher than 9.5. Sensitivity to sublethal pH was best assessed when using individual analysis. Zebrafish decreased hyperactivity and increased hypoactivity with more acid or alkaline pH. Individual approach allowed to determine hyperactivity or hypoactivity and the species' thresholds of exposure, which is critical for the management of impairments.
Authors:
Danielly de Paiva Magalhães; Daniel Forsin Buss; Rodolfo Armando da Cunha; Ana Rosa Linde-Arias; Darcilio Fernandes Baptista
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-4-1
Journal Detail:
Title:  Bulletin of environmental contamination and toxicology     Volume:  -     ISSN:  1432-0800     ISO Abbreviation:  -     Publication Date:  2012 Apr 
Date Detail:
Created Date:  2012-4-2     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0046021     Medline TA:  Bull Environ Contam Toxicol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Laboratório de Avaliação e Promoção da Saúde Ambiental, Instituto Oswaldo Cruz, FIOCRUZ. Av Brasil 4.365, Manguinhos, Rio de Janeiro, RJ, 21045-900, Brazil, daniellypaiva@uol.com.br.
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