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Effects of Ag nanoparticles on the growth and spawning reproductive phases of the female Indian minor carp Labeo bata

Author Affiliations

  • 1Department of Zoology, Ramananda College, Bishnupur, Bankura, West Bengal, India
  • 2Department of Zoology, Vidyasagar University, West Bengal, India
  • 3Department of Zoology, Vidyasagar University, West Bengal, India

Res. J. Recent Sci., Volume 8, Issue (3), Pages 12-18, July,2 (2019)


The Ag nanoparticles synthesized in its cleanest form using fish bile has been administered in definite concentration upon Labeo bata exposed for different time periods. The fish exposed for greater time periods have been found to show marked changes in their liver histology as well as in the architecture of the ovarian tissue with reference to the different seasonal reproductive phases. Under controlled condition during the maturation phase of ovary the oocyte undergoing vitellogenesis have been found to increase in number as well as size leading to the production of yolk laden matured oocytes. On the contrary fish exposed for 3 to 4 weeks have been observed to show prolonged and most often incomplete vitellogenesis leading to the formation of a large number of late yolk vesicular stage oocytes ending up with the fate of atretic follicle formation.


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