Artículo
Tortorelli, M.C.; Hernández, D.A.; Vázquez, G.R.; Salibián, A. "Effects of paraquat on mortality and cardiorespiratory function of catfish fry Plecostomus commersoni" (1990) Archives of Environmental Contamination and Toxicology. 19(4):523-529
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Abstract:
The effects of a paraquat commercial herbicide formulation on an early stage of the development of Plecostomus commersoni were evaluated. Mortality, opercular ventilation rate, cardiac contraction rate and body length and weight were examined every 12 hr. The effects of the paraquat formulation on the morphology of the branchial epithelium were also examined by light microscopy. The assayed paraquat formulation significantly affected cardiac contraction and opercular ventilation. Ecotoxicologically, this could represent an important deleterious effect for early development of the catfish. Mortality data may not be sufficient for an appropriate evaluation of secondary environmental hazards associated with the application of paraquat formulation because: a) The LC-50 values for Plecostomus commersoni fry were higher than the recommended individual application rate of paraquat for aquatic weed control (0.1-2.0 mg/L). b) The estimated maximum acceptable toxicant concentration (MATC) resulted in a concentration similar to the application rate when calculated from acute toxicity tests. When the MATC was estimated from opercular ventilation or cardiac contraction rates, it was lower and fell within the recommended single application rate. © 1990 Springer-Verlag New York Inc.
Registro:
| Documento: | Artículo |
| Título: | Effects of paraquat on mortality and cardiorespiratory function of catfish fry Plecostomus commersoni |
| Autor: | Tortorelli, M.C.; Hernández, D.A.; Vázquez, G.R.; Salibián, A. |
| Filiación: | Laboratorio de Ecotoxicología, Departamento de Ciencias Básicas, Universidad Nacional de Luján, C.C. 221, Luján, Provincia de Buenos Aires, 6700, Argentina Laboratorio de Ecofisiología Animal, Departamento de Ciencias Básicas, Universidad Nacional de Luján, C.C. 221, Luján, Provincia de Buenos Aires, 6700, Argentina Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Buenos Aires, Argentina Departamento de Biología, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina Comisión de Investigaciones Científicas de la Provincia de Buenos Aires (CIC-Bs.As.), La Plata, Provincia de Buenos Aires, Argentina |
| Palabras clave: | paraquat; animal experiment; article; fish; heart function; histology; lc 50; mortality; nonhuman; priority journal; respiratory system; toxicity; Animals; Argentina; Catfishes; Female; Hemodynamic Processes; Oxygen Consumption; Paraquat; Animalia; Plecostomus |
| Año: | 1990 |
| Volumen: | 19 |
| Número: | 4 |
| Página de inicio: | 523 |
| Página de fin: | 529 |
| DOI: | http://dx.doi.org/10.1007/BF01059071 |
| Título revista: | Archives of Environmental Contamination and Toxicology |
| Título revista abreviado: | Arch. Environ. Contam. Toxicol. |
| ISSN: | 00904341 |
| CODEN: | AECTC |
| CAS: | paraquat, 1910-42-5, 3240-78-6, 4685-14-7; Paraquat, 4685-14-7 |
| Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00904341_v19_n4_p523_Tortorelli |
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Citas:
---------- APA ----------
Tortorelli, M.C., Hernández, D.A., Vázquez, G.R. & Salibián, A. (1990) . Effects of paraquat on mortality and cardiorespiratory function of catfish fry Plecostomus commersoni. Archives of Environmental Contamination and Toxicology, 19(4), 523-529.http://dx.doi.org/10.1007/BF01059071
---------- CHICAGO ----------
Tortorelli, M.C., Hernández, D.A., Vázquez, G.R., Salibián, A. "Effects of paraquat on mortality and cardiorespiratory function of catfish fry Plecostomus commersoni" . Archives of Environmental Contamination and Toxicology 19, no. 4 (1990) : 523-529.http://dx.doi.org/10.1007/BF01059071
---------- MLA ----------
Tortorelli, M.C., Hernández, D.A., Vázquez, G.R., Salibián, A. "Effects of paraquat on mortality and cardiorespiratory function of catfish fry Plecostomus commersoni" . Archives of Environmental Contamination and Toxicology, vol. 19, no. 4, 1990, pp. 523-529.http://dx.doi.org/10.1007/BF01059071
---------- VANCOUVER ----------
Tortorelli, M.C., Hernández, D.A., Vázquez, G.R., Salibián, A. Effects of paraquat on mortality and cardiorespiratory function of catfish fry Plecostomus commersoni. Arch. Environ. Contam. Toxicol. 1990;19(4):523-529.http://dx.doi.org/10.1007/BF01059071
