THE CHANGES OF SOME PHYSIOLOGICAL PARAMETERS IN PRUSSIAN CARP UNDER THE ACTION OF THE FOLPAN 80 WDG AND THE PROTECTIVE ROLE OF THIOUREA
Journal Title: Current Trends in Natural Sciences - Year 2012, Vol 1, Issue 2
Abstract
This study was carried out to analyze the effects of sublethal and lethal concentrations of Folpan 80 WDG (30x10-5g Folpan 80 WDG /l water, 6x10-4g Folpan 80WDG /l water) and 1‰ thiourea on some physiological parameters (oxygen consumption, breathing frequency) on prussian carp (Carassius auratus gibelio Bloch 1782). The subacute and acute toxicity of Folpan 80 WDG fungicide and thiourea was evaluated in glass aquaria under semystatic conditions. Folpan 80 WDG produced, in all organized experimental variants a decrease in respiratory frequency and consumption of oxygen in the case of prussian carp, the more powerful the higher the concentration of the toxic was. Prussian carp anemia could be due to hypoxia that was induced by injuring the gills, as the red-pink colour of the gills became redwhite, and at high concentrations the gills completely lost their red colour, while abundant secretions of mucus and even mucosal detachment with abundant bleeding could be observed. The antitoxic action of thiourea manifests itself by the fact that Folpan 80WDG are blocked by SH- groupings isothiourea, the mixture between Folpan 80WDG and thiourea produced no significant changes on the parameters physiological.
Authors and Affiliations
Gabriela Zgurschi, Alina Paunescu, Cristina Ponepal, Alina Andronescu, A. Gabriel Marinescu
Keywords
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