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Histopathology and culturable bacteria associated with "big belly" and "skin nodule" syndromes in ornamental Siamese fighting fish, Betta splendens.
Dong, H T; Senapin, S; Phiwsaiya, K; Techatanakitarnan, C; Dokladda, K; Ruenwongsa, P; Panijpan, B.
Afiliación
  • Dong HT; Department of Microbiology, Faculty of Science, King Mongkut's University of Technology Thonburi (KMUTT), Bangkok, 10140, Thailand; Fish Health Platform, Center of Excellence for Shrimp Molecular Biology and Biotechnology (Centex Shrimp), Faculty of Science, Mahidol University, 272 Rama VI Road, Ban
  • Senapin S; Fish Health Platform, Center of Excellence for Shrimp Molecular Biology and Biotechnology (Centex Shrimp), Faculty of Science, Mahidol University, 272 Rama VI Road, Bangkok, 10400, Thailand; National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Developme
  • Phiwsaiya K; Fish Health Platform, Center of Excellence for Shrimp Molecular Biology and Biotechnology (Centex Shrimp), Faculty of Science, Mahidol University, 272 Rama VI Road, Bangkok, 10400, Thailand; National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Developme
  • Techatanakitarnan C; Fish Health Platform, Center of Excellence for Shrimp Molecular Biology and Biotechnology (Centex Shrimp), Faculty of Science, Mahidol University, 272 Rama VI Road, Bangkok, 10400, Thailand.
  • Dokladda K; Tuberculosis Research Laboratory, BIOTEC, NSTDA, Pathum Thani, 12120, Thailand.
  • Ruenwongsa P; Fish Health Platform, Center of Excellence for Shrimp Molecular Biology and Biotechnology (Centex Shrimp), Faculty of Science, Mahidol University, 272 Rama VI Road, Bangkok, 10400, Thailand.
  • Panijpan B; Fish Health Platform, Center of Excellence for Shrimp Molecular Biology and Biotechnology (Centex Shrimp), Faculty of Science, Mahidol University, 272 Rama VI Road, Bangkok, 10400, Thailand. Electronic address: bhinyop@gmail.com.
Microb Pathog ; 122: 46-52, 2018 Sep.
Article en En | MEDLINE | ID: mdl-29864533
The Siamese fighting fish (Betta splendens) is one of the popular aquarium ornamental fish in the global trade. Large numbers of ornamental fish farmed in central Thailand suffered from two common syndromes; preliminarily named skin nodule syndrome (SNS) and big belly syndrome (BBS): they showed noticeable clinical signs of abnormal appearances resulting in depressed saleability. Since very few specifics are known about causative agents of these syndromes, this study aimed at investigating histopathological features and culturable bacteria associated with these fish infected in the process of farming. Histopathologically, SNS fish consistently exhibited necrosis and severe melanization in the muscles and multiple internal organs. Whereas BBS fish exhibited either typical granulomas or tissue damage associated with acid-fast stained bacteria and Gram negative bacteria, respectively. Six different Gram negative bacterial species were recovered from BBS fish while 23 bacterial species belonging to 14 genera were recovered from fish suffering from SNS. Most of the culturable bacteria are new to betta fish and some of them are known to be marine bacteria, suggesting possible entry route via a contaminated live feed, commercial Artemia shrimp. The true causative agents of these syndromes remain unclear. However, histopathological changes and existence of a wide range of bacteria associated with the naturally diseased fish suggest involvement of multiple bacterial infections.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Piel / Bacterias / Infecciones Bacterianas / Enfermedades de los Peces Tipo de estudio: Risk_factors_studies Límite: Animals País/Región como asunto: Asia Idioma: En Revista: Microb Pathog Asunto de la revista: DOENCAS TRANSMISSIVEIS / MICROBIOLOGIA Año: 2018 Tipo del documento: Article Pais de publicación: Reino Unido
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Piel / Bacterias / Infecciones Bacterianas / Enfermedades de los Peces Tipo de estudio: Risk_factors_studies Límite: Animals País/Región como asunto: Asia Idioma: En Revista: Microb Pathog Asunto de la revista: DOENCAS TRANSMISSIVEIS / MICROBIOLOGIA Año: 2018 Tipo del documento: Article Pais de publicación: Reino Unido