Isolation and identification of fungi associated with diseased freshwater fishes in Terengganu, Malaysia

Khairulbariyyah Zakaria and Sudau Eh Teet and Nor Hazwani Hamzah and Alia Syafiqah Aznan and Mohamed Tajuddin Abdul Manaf and Wan Nurhafizah Wan Ibrahim and Lee, Kok Leong and NurulAqilah Iberahim and Nadirah Musa and Laith Abdulrazzak and Hassan Mohd Daud and Mariam Taib and Kishio Hatai and Akbar John B and Jalal K. C. A. and Hassan I. Sheikh and Najiah Musa (2021) Isolation and identification of fungi associated with diseased freshwater fishes in Terengganu, Malaysia. Songklanakarin Journal of Science and Technology, 43. pp. 1131-1139. ISSN 0125-3395 (P-ISSN) , 2408-1779 (E-ISSN)

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URL: https://rdo.psu.ac.th/sjst/journal/43-4/28.pdf

Abstract

Fish health problem presents an ongoing challenge for aquaculture as disease outbreaks cause fish mortalities and financial losses. This study investigated the fungal infections in common freshwater ornamental and food fish species in Terengganu, Malaysia. Diseased gold gourami (Trichopodus trichopterus), snakeskin gourami (Trichogaster pectoralis), angelfish (Pterophyllum scalare), African sharptooth catfish (Clarias gariepinus), and red hybrid tilapia (Oreochromis spp.) with dermal lesions were sampled for fungal isolation. A total of 12 fungal isolates were isolated, and characterized by macro- and micro-morphologies of colonies. Isolates were identified by sequence analysis of ribosomal internal transcribed spacer (ITS) region. Genera Aspergillus, Geotrichum and Pestalotiopsis were more prevalent than Flavodon, Pseudopestalotiopsis, Trichoderma and Apiotrichum (Trichosporon). This study indicated the advantage of good hatchery settings and management practices in reducing fungal infections.

Item Type:	Article
Keyword:	Aquaculture , Freshwater fishes , Fungi , Internal Transcribed Spacer , ITS
Subjects:	S Agriculture > SH Aquaculture. Fisheries. Angling > SH1-691 Aquaculture. Fisheries. Angling > SH20.3-191 Aquaculture > SH151-179 Fish culture > SH171-179 Diseases and adverse factors
Department:	INSTITUTE > Borneo Marine Research Institute
Depositing User:	SAFRUDIN BIN DARUN -
Date Deposited:	16 Jun 2022 15:28
Last Modified:	16 Jun 2022 15:28
URI:	https://eprints.ums.edu.my/id/eprint/32816

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