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El objetivo principal de este trabajo es estudiar la letalidad de los Plaguicidas organofosforados: Metil Paratión, Metil Azinfós, Clorpirifos, Diazinón y Metamidofos, en camarones del género Penaeus sp. Se ha realizado una exposición a diferentes concentraciones de los compuestos, determinándose la CL50 (concentración que ocasiona e1 50 % de mortalidad) en un tratamiento agudo de 48 horas. Clorpirifos resultó ser el más tóxico con una CL50-48h de 0.0027 mg/l mientras que Metamidofos presentó la menor toxicidad con una CL50-48 h. de 5.132 mg/l.
L'objectif principal de ce travail est d'étudier l'efficacité létale des anti-fléaux organophosphorés: Metil Paration, Metil Azinfos, Clorpirifos, Diazinon et Metamidofos, sur les crevettes du genre Penaeus sp. Les crevettes ont été exposées a différentes concentrations de composants, pour déterminer la CL50 (concentration qui provoque 50% de mortalité) pendant un traitement aigu de 48 heures. Clorpirifos a démontré être le plus toxique avec une LC50-48 h de 0,0027 mg/l, et Metamidofos le moins toxique avec une CL50-48 h de 5.132 mg/l.
The main purpose of this work is to study the lethality of the pesticides Methyl Parathion, Methyl Azinfos, Chlorpyrifos, Diazinon and Methamidophos on shrimps of the genus Penaeus sp. exposed at diferent concentrations of these compounds; CL50 was determined (the one causing 50% of death rate) in an acute treatment of 48 hours. Results show that Chlorpyrifos is the most toxic (48h-LC50:0.0027 mg/l) and Methamidophos presented the lowest toxicity of al1 them (48h-LC50:5.132 mg/l).
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Plaguicides -- Toxicologia, Àrees temàtiques de la UPC::Enginyeria tèxtil ::Impacte ambiental, Pesticides - Toxicology, CL50
Plaguicides -- Toxicologia, Àrees temàtiques de la UPC::Enginyeria tèxtil ::Impacte ambiental, Pesticides - Toxicology, CL50
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