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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 (2020)
[Effective from January 1, 2020]
For more details click here

ICV 2018: 95.39
Index Copernicus ICI Journals Master List 2018 - IJCMAS--ICV 2018: 95.39
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 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2020.9(6): 3781-3786
DOI: https://doi.org/10.20546/ijcmas.2020.906.448


Infection Dynamics of Helminth Parasites in the Silver Carp, Hypophthalmichthys molitrix with Reference to Season
G. P. Thakur*, A. N. Jha and B. S. Jha
Department of Zoology, L.N. Mithila University, Darbhanga- 846008, India
*Corresponding author
Abstract:

The present study, carried out from September 2018 to August 2019, reports the seasonal fluctuations in the intensity of infection level of helminth parasites in the silver carp, Hypophthalmichthys molitrix, reared along with native carps in ponds and other water bodies of Darbhanga , Bihar, India. The host fish were found to parasitize two monogenean ecto-parasites, Dactylogyrus vastator (in gill & skin) and Gyrodactylus elegans (in skin); one cestode (Bothriocephalus acheilognathi in intestine) and one nematode (Camallanus ophiocephali in stomach). These parasites revealed seasonal fluctuations in their prevalence percentage, mean intensity and abundance. The overall highest prevalence and abundance were of Dactylogyrus (54% and 0.064) followed by Gyrodactylus (5% and 0.06) Bothriocephalus (3.9% and 0.05) and Camallanus (3.3% and 0.05). However, the mean intensity was highest for Camallanus (1.5) and lowest (1.18) for Dactylogyrus. The highest prevalence and abundance of the parasites were recorded during summer (June-Aug) followed by spring (Mar-May) and autumn (Sept-Nov) and lowest in winter (Dec-Feb) seasons. The winter months did not show infection of any parasites except Dactylogyrus which was also minimal. The observed seasonal fluctuations have been attributed to physico-chemical parameters, especially temperature, feeding habits and lifecycle patterns of the parasites.


Keywords: Helminth parasites, Seasonal variations, Silver carp
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How to cite this article:

Thakur, G. P., A. N. Jha and Jha, B. S. 2020. Infection Dynamics of Helminth Parasites in the Silver Carp, Hypophthalmichthys molitrix with Reference to Season.Int.J.Curr.Microbiol.App.Sci. 9(6): 3781-3786. doi: https://doi.org/10.20546/ijcmas.2020.906.448