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[Download] "Effect of Deltamethrin on Glycogen Phosphorylase and Glucose-6-Phosphatase Activity in Freshwater Fish Labeo Rohita." by Bulletin of Pure & Applied Sciences-Zoology * eBook PDF Kindle ePub Free

Effect of Deltamethrin on Glycogen Phosphorylase and Glucose-6-Phosphatase Activity in Freshwater Fish Labeo Rohita.

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eBook details

  • Title: Effect of Deltamethrin on Glycogen Phosphorylase and Glucose-6-Phosphatase Activity in Freshwater Fish Labeo Rohita.
  • Author : Bulletin of Pure & Applied Sciences-Zoology
  • Release Date : January 01, 2007
  • Genre: Engineering,Books,Professional & Technical,
  • Pages : * pages
  • Size : 191 KB

Description

INTRODUCTION Globally agriculture accounts for nearly 70 percent of all fresh water resources withdrawn from rivers, lakes and underground water etc. In addition, increasing population and industries have put further pressure on these limited resources. The problem associated with monoculture practices such as use of synthetic fertilizers, pesticides have become integral part of intensive agriculture. The aquatic organisms are subjected to stress by the dissolved pesticides which enter into the aquatic medium by the surface runoff. Alteration in the chemical composition of a natural aquatic environment usually induces changes in the behavior and physiological aspects of the inhabitants. Particularly the fish (O'Brien, 1967). Studies have revealed the importance of principal tissue metabolites viz carbohydrates, proteins and fats as energy sources as well as biomass builders. Carbohydrates serve as a reservoir of chemical energy, which is utilized according to the requirement of organisms. Animal coming in contact with pesticide experience stress and this stressful situation elicit neuroendocrine response, which in turn induces disturbance in carbohydrate metabolism. Administration of chemicals has been shown to alter the above metabolites (Murthy and Priyamvadadevi 1982; Palanichamy et al., 1986; Rajalakshmi and Reddi., 1988).Alongwith principal metabolites, intermediate metabolites may also provide information regarding energy metabolism and path way. But their in tissues are in turn influenced by the metabolic state of the organism. In the present study, an attempt has been made to study the effect of deltamethrin on enzymatic changes in carbohydrate metabolism in the freshwater fish Labeo rohita.


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