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International Journal of Fisheries and Aquatic Studies
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E-ISSN: 2347-5129, P-ISSN: 2394-0506

International Journal of Fisheries and Aquatic Studies

2018, Vol. 6, Issue 1, Part B

Parasitic infestation in Clarias batrachus at haor region of north-eastern Bangladesh


Author(s): Md. Sourove Islam, MM Mahbub Alam, Sayed mashequl Bari, Md. Abdullah-Al-Mamun, Md. Abdullah-Al Mamun and Basir Ahammad

Abstract: Clarias batrachus has a great demand and high market value in Bangladesh. Diseases and parasitic infestations are the most severe limiting factors in culture and management of this fish. The study was conducted to investigate parasitic infestation in C. batrachus during August to December 2016. Fish samples were collected from five beels of two haors of North-eastern Bangladesh. The study summarizes the percentage of prevalence, mean intensity, abundance and the effect of parasite on length and weight of C. batrachus. A total of 113 fishes were investigated of which 100 individuals were found infested with five different parasites i.e. Lytocestus indicus, L. birmanicus, Bovienia serialis, Pseudocaryophyllaeus indica and Orioentocreadium batrachoides. Variations in prevalence were observed in different months. The highest prevalence (100%) was observed in November and the lowest (68.75%) in September. Changes in the nature of growth and loss of weight as a result of parasitic infestation were noticed. Length, weight and condition factors were found greatly affected due to parasitic infestation. The highest gain of mean head length (11.11%) was found at the higher level of infestation in larger length group and the lowest value (2.51%) was found in higher level of infestation of medium length group. The highest loss of weight (21.30%) and the lowest loss of weight (7.65%) were noticed in smaller length group and larger length group, respectively. The highest condition factor (1.20) was found in uninfested fish and the lowest (0.98) in infested fish. This information will be useful for management and aquaculture of the species through prevention and management of the parasitic infestation.

Pages: 97-101  |  527 Views  57 Downloads

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How to cite this article:
Md. Sourove Islam, MM Mahbub Alam, Sayed mashequl Bari, Md. Abdullah-Al-Mamun, Md. Abdullah-Al Mamun and Basir Ahammad. Parasitic infestation in Clarias batrachus at haor region of north-eastern Bangladesh. International Journal of Fisheries and Aquatic Studies. 2018; 6(1): 97-101.
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