Document Detail


Effects of dietary cadmium and its bioconcentration in tilapia Oreochromis niloticus.
MedLine Citation:
PMID:  10702349     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The administration of cadmium, as food supplement, its bioaccumulation, and the effects on the development of tilapia Oreochromis niloticus were investigated. The average size and weight and its behavior compared with controls were investigated during the period January 31, 1997, until March 31, 1999. At intervals of 60 days the measurements of size and weight were performed, and the concentration of cadmium in feces, water, muscular tissue, and viscera were determined by atomic absorption spectroscopy. The initial average cadmium concentration in food was 5 mg small middle dotkg(-1) and only after 6 months a small effect on size and weight could be observed. With increases in cadmium concentration to 50 mg small middle dotkg(-1), beginning after the 7th month, and 100 mg small middle dotkg(-1) after the 16th month, a clear difference in size and weight and also in behavior could be observed. An LC(50) value of 40 mg small middle dotkg(-1) was observed after the 23rd month.
Authors:
E M Nogami; C C Kimura; C Rodrigues; A R Malagutti; E Lenzi; J Nozaki
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Ecotoxicology and environmental safety     Volume:  45     ISSN:  0147-6513     ISO Abbreviation:  Ecotoxicol. Environ. Saf.     Publication Date:  2000 Mar 
Date Detail:
Created Date:  2000-04-12     Completed Date:  2000-04-12     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  7805381     Medline TA:  Ecotoxicol Environ Saf     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  291-5     Citation Subset:  IM    
Copyright Information:
Copyright 2000 Academic Press.
Affiliation:
Ecology of Aquatic and Continental Environments-UEM, Maringa-PR, Brazil.
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MeSH Terms
Descriptor/Qualifier:
Administration, Oral
Animals
Body Weight / drug effects
Cadmium / pharmacokinetics*,  toxicity*
Calcium / analysis
Chlorine / adverse effects
Dose-Response Relationship, Drug
Feces / chemistry
Fresh Water / chemistry
Magnesium / analysis
Muscle, Skeletal / chemistry
Tilapia / growth & development*,  metabolism*
Viscera / chemistry
Chemical
Reg. No./Substance:
7439-95-4/Magnesium; 7440-43-9/Cadmium; 7440-70-2/Calcium; 7782-50-5/Chlorine

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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