Open WL Archief (OWA)

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Het OWA, het open archief van het Waterbouwkundig Laboratorium heeft tot doel alle vrij toegankelijke onderzoeksresultaten van dit instituut in digitale vorm aan te bieden. Op die manier wil het de zichtbaarheid, verspreiding en gebruik van deze onderzoeksresultaten, alsook de wetenschappelijke communicatie maximaal bevorderen.

Dit archief wordt uitgebouwd en beheerd volgens de principes van de Open Access Movement, en het daaruit ontstane Open Archives Initiative.

Basisinformatie over ‘Open Access to scholarly information'.

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one publication added to basket [7475]
Morphological abnormalities in African catfish (Clarias gariepinus) larvae exposed to malathion Nguyen, T.H.L.; Adriaens, D.; Janssen, C.R. (1997). Morphological abnormalities in African catfish (Clarias gariepinus) larvae exposed to malathion. Chemosphere 35(7): 1475-1486 In: Chemosphere. Elsevier: Oxford. ISSN 0045-6535; e-ISSN 1879-1298, meer

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Trefwoorden

Biological effects Chemicals > Organic compounds > Organophosphorus compounds > Pesticides > Organophosphorus pesticides > Ectoparasiticides > Organophosphorus ectoparasiticides > Organothiophosphate insecticides > Organothiophosphate acaricides > Ectoparasiticides > Malathion Development Laboratory studies Organophosphorus compounds Pesticides > Insecticides Pollutants Clariidae Bonaparte, 1845 [WoRMS]; Pisces [WoRMS]; Vertebrata [WoRMS] Zoet water

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Auteurs		Top
Nguyen, T.H.L. Adriaens, D., meer Janssen, C.R., meer

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Abstract

Newly hatched larvae of Clarias gariepinus were exposed to malathion concentrations ranging from 0.3 mg/l to 5.0 mg/l. Their development was observed through five days posthatch, i.e. the stage in which the vertebral elements are not yet present and the notochord is the only functional body axis. A significant higher proportion of C. gariepinus larvae with deformed notochord and pericardial edema was detected at 2.5 mg/l malathion and higher. The results suggested that (1) deformed notochord was the result of the uncontrolled contractions of the body musculature due to malathion toxicity and (2) the vertebral deformities observed in the fish which have been exposed to malathion from the notochord-stage onwards were the result of a deformed notochord instead of the deformation of the vertebral elements themselves.

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