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Effect of an Endocrine-disrupting Chemical Dimethyl Phthalate on Poecilia sphenops


Affiliations
1 Department of Environmental Studies, The Maharaja Sayajirao University of Baroda, Vadodara-390002, Gujarat, India
 

Dimethyl phthalate (DMP) has been recognized as a significant environmental contaminant due to wide applications in industry. It has been reported to be an endocrine disrupting chemical which promotes chromosomal injuries in human leucocytes, thereby causing abnormalities in reproductive system and interference with the development of animals and humans. In current investigation, a batch experiment was conducted under control conditions to assess the added effects of DMP on Poecilia sphenops. LC50 of DMP on P. sphenops was determined and observed to be 55.8 mg/L. Growth performance, macroscopic observation and mortality of fingerlings of P. sphenops in experimental tank containing 50 mg/L of DMP was monitored for 60 days. Mortality of the fish in the experimental tank was observed to be ~20% after 60 days of incubation. Significant changes in morphometric, behaviour and diminution in growth performance were observed. These results evidently indicate the sensitivity of P. sphenops to DMP.

Keywords

Black Molly, Dimethyl Phthalate, Growth Performance, Lethal Concentration (LC50), Poecilia sphenops, Toxicity.
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  • Effect of an Endocrine-disrupting Chemical Dimethyl Phthalate on Poecilia sphenops

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Authors

Khushboo Rana
Department of Environmental Studies, The Maharaja Sayajirao University of Baroda, Vadodara-390002, Gujarat, India
Jay Patel
Department of Environmental Studies, The Maharaja Sayajirao University of Baroda, Vadodara-390002, Gujarat, India
Bablu Prasad
Department of Environmental Studies, The Maharaja Sayajirao University of Baroda, Vadodara-390002, Gujarat, India

Abstract


Dimethyl phthalate (DMP) has been recognized as a significant environmental contaminant due to wide applications in industry. It has been reported to be an endocrine disrupting chemical which promotes chromosomal injuries in human leucocytes, thereby causing abnormalities in reproductive system and interference with the development of animals and humans. In current investigation, a batch experiment was conducted under control conditions to assess the added effects of DMP on Poecilia sphenops. LC50 of DMP on P. sphenops was determined and observed to be 55.8 mg/L. Growth performance, macroscopic observation and mortality of fingerlings of P. sphenops in experimental tank containing 50 mg/L of DMP was monitored for 60 days. Mortality of the fish in the experimental tank was observed to be ~20% after 60 days of incubation. Significant changes in morphometric, behaviour and diminution in growth performance were observed. These results evidently indicate the sensitivity of P. sphenops to DMP.

Keywords


Black Molly, Dimethyl Phthalate, Growth Performance, Lethal Concentration (LC50), Poecilia sphenops, Toxicity.

References