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Impact of environmental pollution on reproduction of Tilapia: an indispensable perception for understanding SDGs

Indrani Banerjee
PG Department of Zoology, Barasat Government College, Barasat, India.
OrchideID Icon https://orcid.org/0009-0009-2237-3223

Hiya Roy
PG Department of Zoology, Barasat Government College, Barasat, India.

Sumana Saha
PG Department of Zoology, Barasat Government College, Barasat, India.

Published online: 17th December, 2023

DOI: https://doi.org/10.52756/boesd.2023.e02.022

Keywords: Pollution, heavy metal, physicochemical parameter, tilapia, histopathology.

Abstract:

Fish and the fishery economy play a pivotal role in global sustenance and economic stability. Understanding the impact of physicochemical parameters and heavy metal toxicity on Tilapia reproduction is imperative for achieving the Sustainable Development Goals (SDGs). Numerous water bodies, referred to as “bheri,” located in North 24 Parganas, are grappling with substantial environmental contamination. The pollution in this region stems from diverse industrial, sewage, agricultural, and petroleum activities prevalent in the area. Consequently, investigating the contamination of fish with heavy metals becomes imperative for the well-being of the populace residing in a country surrounded by water bodies. This study aims to ascertain and compare the concentrations of heavy metals (Lead, Cadmium, Mercury, and Copper) in distinct water samples obtained from various zones within North 24 Parganas. The current investigation seeks to explore the impact of physicochemical parameters and the toxicity of heavy metals on the reproductive processes of tilapia collected from diverse sampling sites in North 24 Parganas. The samples were categorized into two groups: one from severely polluted water bodies (designated as the intoxicated group) and the other from uncontaminated water bodies (designated as the control group). The results revealed a noteworthy disparity between the intoxicated group and the control group. The histological examination of fish organs (Ovary, testes, and brain) was documented. In the testes of the intoxicated group, degenerative changes and a reduced number of seminiferous tubules were observed. The ovaries exhibited deformities in their normal shapes, and severe lymphocytic infiltration, and the brain displayed neuronal degeneration along with a significant loss of granular cells. Hence, our present investigation aims to raise awareness within communities regarding the environmental pollution affecting edible aquatic organisms. We advocate for the enhancement of water quality in these water bodies and the implementation of government laws and regulations about the safeguarding of these aquatic environments.

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A Basic Overview of Environment and Sustainable Development [Volume: 2]

How to Cite
Indrani Banerjee, Hiya Roy, Sumana Saha (2023). Impact of environmental pollution on reproduction of Tilapia: an indispensable perception for understanding SDGs. © International Academic Publishing House (IAPH), Shubhadeep Roychoudhury, Tanmay Sanyal, Koushik Sen & Sudipa Mukherjee Sanyal (eds.), A Basic Overview of Environment and Sustainable Development [Volume: 2], pp. 337-346. ISBN: 978-81-962683-8-1.
DOI: https://doi.org/10.52756/boesd.2023.e02.022

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