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Published yearly: 

4 Issues

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ISSN: 2320-964X (Online) 

ISSN: 2320-7817  (Print)

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Dr. Santosh Pawar 


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RESEARCH ARTICLE

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Int. Journal of Life Sciences, 2018; 6(1): 137-142       |                 Available online, March 04, 2018

Influence of cadmium in the testicular recrudescence of fresh water teleost, Rasbora dandia

Rajan Priya and Kuzhivelil Balu T*

 

 

Applied Biochemistry and Biotechnology Laboratory, Department of Zoology, Christ College (Autonomous), Irinjalakuda, University of Calicut, Kerala-680 125, India

*Corresponding author Email: balu99@rediff.com  

Received : 28.11.2017     |     Accepted : 11.02.2018      |     Published : 04.03.2018

Heavy metals are one of the major pollutants influencing aquatic ecosystems. Toxic heavy metals often interfere with the normal physiological processes of organisms in various levels. Cadmium is a heavy metal with no known biological function, raising severe threat to the environment. In the present study influence of cadmium on the testicular recrudescence of Rasbora dandia is evaluated. R. dandia were exposed to three sublethal doses of cadmium (0.1 ppm, 0.2 ppm and 0.3 ppm) from February to May during which active gonad development take place before the onset of breeding season associated with south west monsoon in Kerala, India. At the end of the exposure period, control fishes became sexually mature with abundant ripe spermatozoa in the tubular lumen of the testis. Initial stages of spermatogenesis were prominent in cadmium treated fishes indicating that the testes were still in the recrudescence condition. However, reduction in ripe spermatozoa was observed in cadmium exposed fishes. GSI was found to be declined significantly by increasing concentrations of cadmium exposure during gonadal recrudescence.

 

Key words- Gonadal recrudescence, cadmium, testis, Rasbora dandia

 

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Editor: Dr.Arvind Chavhan

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Cite this article as:

Rajan Priya and Kuzhivelil Balu T(2018) Influence of cadmium in the testicular recrudescence of fresh water teleost, Rasbora dandia, Int. J. of. Life Sciences, Volume 6(1): 137-142. 

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Conflicts of interest: The authors stated that no conflicts of interest.

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Copyright: © 2018 | Author(s), This is an open access article under the terms of the Creative Commons Attribution-Non-Commercial - No Derives License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.

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