EXPERIMENTS ON THE BIOCHEMICAL CHANGES IN THE FRESH WATER PRAWN MACROBRACHIUM ROSENBERGII, EXPOSED TO A SELECTIVE ORGANOPHOSPHATE INSECTICIDE.
*S. Angelina Glorita Parimala and S. Nagaraj
ABSTRACT
Environmental protection has attracted the attention of the wide cross-section of people all over the world, which has now become a global issue among scientists and researchers working in this area (Aruna Khare and Sudha Singh, 2002) pollution of water, is an important dimention of environmental degradation. Prawns are the important part of aquatic ecosystems and adversely affected by these pollutants and they are recognized as an excellent source of high quality protein (Gautam et al., 2002). As the prawns are economically important non-target organisms, they are quite sensitive to a wide variety of pollutants and are used as pollution indicators in water quality management. The prawns could serve as biological indicators to monitor are aquatic pollution. To known the adverse effects of pollutants on prawns, it is necessary to understand the mode of action of pollutants and more knowledge about biochemical changes brought about pesticides. The insecticidal treatment leads to biochemical alterations in the body tissues of prawns. Keeping this in view, in the present study has been designed to understand the alterations in the biochemical components of the tissue of a fresh water prawn, Macrobrachium rosenbergii made after the treatment of Monocrotophos.It was confirmed that biochemical alterations gave two conclusions firstly, prawns could be used as the best bio indicators of aquatic pollution. Secondly prawns have high nutritive values with more biological importance.
Keywords: Insecticide, Fresh water prawn, Pollution and Monocrotophos.
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