Fungal infection in freshwater fishes of Mymensingh Bangladesh


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Authors

  • U A Zahura Department of Aquaculture, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh
  • M B R Chaudhary Department of Aquaculture, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh
  • M A R Faruk Department of Aquaculture, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh

Abstract

Fungal infection in the cultured and wild freshwater fishes in some selected water bodies of Mymensingh area in Bangladesh was investigated during November 2000 to March 2001. A total of 16 culture ponds and 10 wild water bodies (ditches) were selected for this study. Ten fishes from each pond and
wild were randomly sampled monthly to examine the incidence of fungal infection. Barbodes gonionotus, Cirrhinus cirrhosus and Pangasius hypophthalamus among the cultured fishes, while Channa punctatus, Nandus nandus, Puntius ticto and Anabas testudineus among the wild were the most
affected fish species. Clinically, cotton wool type lesions on the fish body surface, ulceration and erosion of skin and muscles were observed. Mycotic granuloma, presence of fungal hyphae, haemorrhages and cell necrosis were the major histopathological findings of the affected tissues due to Aphanomyces sp. infection. In total, 19 fungal isolates were recovered belonging to the genera of Aphanomyces, Saprolegnia and Achlya. Only Aphanomyces invadans could
be identified up to species level.

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Author Biographies

  • U A Zahura, Department of Aquaculture, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh
    Department of Aquaculture, Bangladesh Agricultural University,
    Mymensingh-2202, Bangladesh
  • M B R Chaudhary, Department of Aquaculture, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh
    Department of Aquaculture, Bangladesh Agricultural University,
    Mymensingh-2202, Bangladesh
  • M A R Faruk, Department of Aquaculture, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh
    Department of Aquaculture, Bangladesh Agricultural University,
    Mymensingh-2202, Bangladesh

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Issue

Vol. 51 No. 1 (2004)

Section

Articles

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How to Cite

Zahura, U. A., Chaudhary, M. B. R., & Faruk, M. A. R. (2011). Fungal infection in freshwater fishes of Mymensingh Bangladesh. Indian Journal of Fisheries, 51(1), 61-68. https://epubs.icar.org.in/index.php/IJF/article/view/7148