2006
DOI: 10.1016/j.ecoenv.2005.09.001
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Effects of methamidophos on acetylcholinesterase activity, behavior, and feeding rate of the white shrimp (Litopenaeus vannamei)

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Cited by 74 publications
(34 citation statements)
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“…En el langostino Litopennaeus vannamei Boone, 1931, se han encontrado efectos subletales del metamidofos, observán-dose que las alteraciones en el comportamiento fueron más sensibles que la inhibición de la acetilcolinesterasa. En cambio la tasa de alimentación como punto final de lectura, no mostró diferencias significativas en comparación con el control (García de la Parra et al, 2006). En nuestro caso, las respuestas subletales de alteraciones en el comportamiento como nado extraño para P. innesi y de incremento del movimiento opercular para O. mykiss, fueron respuestas más sensibles que la mortalidad en ambos casos.…”
Section: Discussionunclassified
“…En el langostino Litopennaeus vannamei Boone, 1931, se han encontrado efectos subletales del metamidofos, observán-dose que las alteraciones en el comportamiento fueron más sensibles que la inhibición de la acetilcolinesterasa. En cambio la tasa de alimentación como punto final de lectura, no mostró diferencias significativas en comparación con el control (García de la Parra et al, 2006). En nuestro caso, las respuestas subletales de alteraciones en el comportamiento como nado extraño para P. innesi y de incremento del movimiento opercular para O. mykiss, fueron respuestas más sensibles que la mortalidad en ambos casos.…”
Section: Discussionunclassified
“…García de la Parra et al [20] found that AChE inhibition in whiteleg shrimp did not completely depend on the concentration of methamidophos tested, insofar as a slight increase in activity was observed at the highest tested concentration. The maximum level of inhibition was 48.7% in the group exposed to 1.17 mg/L methamidophos, whereas a slight increase in activity was observed at the highest tested concentration (1.35 mg/L).…”
Section: Effects Of Pesticides On Acetylcholinesterase Activitymentioning
confidence: 96%
“…Today, the relationship between many exposure-related behavioral alterations observed in the laboratory and their relevance to ecological effects observed in the field remains poorly understood. Several studies in penaeid shrimp have indicated that penaeid shrimp exposed to sublethal concentrations of pesticides show several behavioral alterations, such as restlessness and hyperexcitability, tremor in the appendages, uncoordinated swimming movements, spasms, and violent action of chelate legs [17][18][19][20]. These changes, in general, were more apparent with increasing concentrations of pesticides and were assumed to be a direct consequence of the action of the pesticides on the nervous system.…”
Section: Effects Of Pesticides and Antibiotics In Penaeid Shrimpmentioning
confidence: 99%
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