| Short-term and long-term survival studies in Rana tigrina tadpoles with reference to methyl parathion toxicity. | |
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MedLine Citation:
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PMID: 12018596 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Toxicity of methyl parathion was studied on survival of Rana tigrina tadpoles. The LC50 values for short-term (upto 96 h) and long term studies (hatching to froglet) were determined. The LC50 values for 96 h and the total larval period were 4.36 and 1.30 ppm respectively. The toxicity of methyl parathion enchanced in relation to increase in concentration and duration. Teratological defects such as scoliosis and failure in emergence of fore limb were noticed. Safe levels were calculated for short-term (0.1 ppm) and long-term (0.03 ppm) studies. The present work stresses the neccessity of long term study especially for the developing amphibians. |
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Authors:
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I J Kennedy; K Sampath |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Journal of environmental biology / Academy of Environmental Biology, India Volume: 22 ISSN: 0254-8704 ISO Abbreviation: J Environ Biol Publication Date: 2001 Oct |
Date Detail:
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Created Date: 2002-05-20 Completed Date: 2002-06-18 Revised Date: 2009-03-09 |
Medline Journal Info:
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Nlm Unique ID: 8300544 Medline TA: J Environ Biol Country: India |
Other Details:
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Languages: eng Pagination: 267-71 Citation Subset: IM |
Affiliation:
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V V Classic Matriculation School, Tuticorin, India. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Animals Environmental Exposure* Insecticides / toxicity* Larva / drug effects Lethal Dose 50 Methyl Parathion / toxicity* Ranidae / growth & development* Survival Analysis Water Pollutants, Chemical / toxicity* |
| Chemical | |
Reg. No./Substance:
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0/Insecticides; 0/Water Pollutants, Chemical; 298-00-0/Methyl Parathion |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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