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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2019)
[Effective from January 1, 2019]
For more details click here

ICV 2017: 100.00
Index Copernicus ICI Journals Master List 2017 - IJCMAS--ICV 2017: 100.00
For more details click here

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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : editorijcmas@gmail.com / submit@ijcmas.com
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2017: 100.00
NAAS RATING 2018: 5.38

Int.J.Curr.Microbiol.App.Sci.2019.8(8): 372-377
DOI: https://doi.org/10.20546/ijcmas.2019.808.042


Sub Lethal Effects of Dichlorvos on Physiological Parameters in Fingerlings of Cyprinus carpio
B. Laxmi1, K. Madhavi2, A. Adnan3*, B. Chamundeswari Devi1, K. Dhanapal1 and T.V. Ramana1
1College of Fishery Science Muthukur, Nellore, 524344, India
2Faculty of Fisheries Rangil, Ganderbal, J&K, 190006, India
3Fisheries Research Station, Kakinada, Andhra Pradesh, 533001, India
*Corresponding author
Abstract:

Dichlorvos, one of the extensively used insecticides was investigated in the present study for acute and sublethal toxicity. Fingerlings of common carp (Cyprinus carpio) were selected for the bioassay experiments. The 96 hour LC50 value was found to be 21.11 ppm. For sublethal toxicity study two concentrations i.e. 1/5th and 1/10th of LC50 were selected and semi-static bioassay method was used for 28 days (4 weeks) to observe pesticide induced changes in physiological activities (Feed consumption rate and Ammonia excretion rate). Present result revealed that Dichlorvos exposed fingerlings showed significant decrease in Food consumption rate and significant increase in ammonia excretion rate as compared to control groups. The obtained results indicate that Dichlorvos was toxic to fingerlings of common carp at sub lethal level.


Keywords: Dichlorvos, Cyprinus carpio, Sublethal toxicity and Physiological changes
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How to cite this article:

Laxmi, B., K. Madhavi, A. Adnan, B. Chamundeswari Devi, K. Dhanapal and Ramana, T.V. 2019. Sub Lethal Effects of Dichlorvos on Physiological Parameters in Fingerlings of Cyprinus carpio.Int.J.Curr.Microbiol.App.Sci. 8(8): 372-377. doi: https://doi.org/10.20546/ijcmas.2019.808.042