A case of natural co-infection of Tilapia Lake Virus and Aeromonas veronii in a Malaysian red hybrid tilapia (Oreochromis niloticus × O. mossambicus) farm experiencing high mortality

This paper reports a case of natural co-infection of Tilapia Lake Virus (TiLV) and Aeromonas veronii in a Malaysian red hybrid tilapia (Oreochromis niloticus × O. mossambicus) farm. In May 2017, a tilapia farm operator reported a mass mortality among cultured red hybrid tilapia juveniles, approximat...

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Huvudupphovsmän: Azmai, Mohammad Noor Amal, Koh, Chik Boon, Mohd Yaakob, Nurliyana, Suhaiba, M. S., Z., Nor Amalina, Santha, Silvaraj, K.P., Diyana Nadhirah, Yusof, Mohd Termizi, Md Yasin, Ina Salwany, Saad, Mohd Zamri
Materialtyp: Artikel
Språk:English
Publicerad: Elsevier 2018
Länkar:http://psasir.upm.edu.my/id/eprint/54470/1/A%20case%20of%20natural%20co-infection%20of%20Tilapia%20Lake%20Virus%20.pdf
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spelling oai:psasir.upm.edu.my:54470 http://psasir.upm.edu.my/id/eprint/54470/ A case of natural co-infection of Tilapia Lake Virus and Aeromonas veronii in a Malaysian red hybrid tilapia (Oreochromis niloticus × O. mossambicus) farm experiencing high mortality Azmai, Mohammad Noor Amal Koh, Chik Boon Mohd Yaakob, Nurliyana Suhaiba, M. S. Z., Nor Amalina Santha, Silvaraj K.P., Diyana Nadhirah Yusof, Mohd Termizi Md Yasin, Ina Salwany Saad, Mohd Zamri This paper reports a case of natural co-infection of Tilapia Lake Virus (TiLV) and Aeromonas veronii in a Malaysian red hybrid tilapia (Oreochromis niloticus × O. mossambicus) farm. In May 2017, a tilapia farm operator reported a mass mortality among cultured red hybrid tilapia juveniles, approximately 45 days after introduction into earthen ponds. Affected fish showed lethargy, loss of appetite, swim near the pond edge, pale and isolated from schooling group. There were skin redness and haemorrhages, particularly at the operculum area and at the base of dorsal, caudal and anal fins. Histopathological examinations revealed swollen hepatocytes, haemorrhagic spleens and perivascular cuffing consisted of mononuclear cells in the brains. PCR and sequence analyses confirmed the presence of TiLV and A. veronii in the diseased fish. Phylogenetic tree revealed that Malaysian's TiLV strain was more closely related with the virus isolated in Israel than in Egypt or Thailand, while Malaysian's A. veronii strain 5L was closely related with strains from China. TiLV infection is a significant threat to global tilapia industry. However, synergistic co-infection of TiLV and other bacterial might aggravate the problem. Elsevier 2018-02 Article PeerReviewed text en http://psasir.upm.edu.my/id/eprint/54470/1/A%20case%20of%20natural%20co-infection%20of%20Tilapia%20Lake%20Virus%20.pdf Azmai, Mohammad Noor Amal and Koh, Chik Boon and Mohd Yaakob, Nurliyana and Suhaiba, M. S. and Z., Nor Amalina and Santha, Silvaraj and K.P., Diyana Nadhirah and Yusof, Mohd Termizi and Md Yasin, Ina Salwany and Saad, Mohd Zamri (2018) A case of natural co-infection of Tilapia Lake Virus and Aeromonas veronii in a Malaysian red hybrid tilapia (Oreochromis niloticus × O. mossambicus) farm experiencing high mortality. Aquaculture, 485. pp. 12-16. ISSN 0044-8486; ESSN: 1873-5622 https://www.sciencedirect.com/science/article/pii/S004484861731390X 10.1016/j.aquaculture.2017.11.019
institution UPM IR
collection UPM IR
language English
description This paper reports a case of natural co-infection of Tilapia Lake Virus (TiLV) and Aeromonas veronii in a Malaysian red hybrid tilapia (Oreochromis niloticus × O. mossambicus) farm. In May 2017, a tilapia farm operator reported a mass mortality among cultured red hybrid tilapia juveniles, approximately 45 days after introduction into earthen ponds. Affected fish showed lethargy, loss of appetite, swim near the pond edge, pale and isolated from schooling group. There were skin redness and haemorrhages, particularly at the operculum area and at the base of dorsal, caudal and anal fins. Histopathological examinations revealed swollen hepatocytes, haemorrhagic spleens and perivascular cuffing consisted of mononuclear cells in the brains. PCR and sequence analyses confirmed the presence of TiLV and A. veronii in the diseased fish. Phylogenetic tree revealed that Malaysian's TiLV strain was more closely related with the virus isolated in Israel than in Egypt or Thailand, while Malaysian's A. veronii strain 5L was closely related with strains from China. TiLV infection is a significant threat to global tilapia industry. However, synergistic co-infection of TiLV and other bacterial might aggravate the problem.
format Article
author Azmai, Mohammad Noor Amal
Koh, Chik Boon
Mohd Yaakob, Nurliyana
Suhaiba, M. S.
Z., Nor Amalina
Santha, Silvaraj
K.P., Diyana Nadhirah
Yusof, Mohd Termizi
Md Yasin, Ina Salwany
Saad, Mohd Zamri
spellingShingle Azmai, Mohammad Noor Amal
Koh, Chik Boon
Mohd Yaakob, Nurliyana
Suhaiba, M. S.
Z., Nor Amalina
Santha, Silvaraj
K.P., Diyana Nadhirah
Yusof, Mohd Termizi
Md Yasin, Ina Salwany
Saad, Mohd Zamri
A case of natural co-infection of Tilapia Lake Virus and Aeromonas veronii in a Malaysian red hybrid tilapia (Oreochromis niloticus × O. mossambicus) farm experiencing high mortality
author_facet Azmai, Mohammad Noor Amal
Koh, Chik Boon
Mohd Yaakob, Nurliyana
Suhaiba, M. S.
Z., Nor Amalina
Santha, Silvaraj
K.P., Diyana Nadhirah
Yusof, Mohd Termizi
Md Yasin, Ina Salwany
Saad, Mohd Zamri
author_sort Azmai, Mohammad Noor Amal
title A case of natural co-infection of Tilapia Lake Virus and Aeromonas veronii in a Malaysian red hybrid tilapia (Oreochromis niloticus × O. mossambicus) farm experiencing high mortality
title_short A case of natural co-infection of Tilapia Lake Virus and Aeromonas veronii in a Malaysian red hybrid tilapia (Oreochromis niloticus × O. mossambicus) farm experiencing high mortality
title_full A case of natural co-infection of Tilapia Lake Virus and Aeromonas veronii in a Malaysian red hybrid tilapia (Oreochromis niloticus × O. mossambicus) farm experiencing high mortality
title_fullStr A case of natural co-infection of Tilapia Lake Virus and Aeromonas veronii in a Malaysian red hybrid tilapia (Oreochromis niloticus × O. mossambicus) farm experiencing high mortality
title_full_unstemmed A case of natural co-infection of Tilapia Lake Virus and Aeromonas veronii in a Malaysian red hybrid tilapia (Oreochromis niloticus × O. mossambicus) farm experiencing high mortality
title_sort case of natural co-infection of tilapia lake virus and aeromonas veronii in a malaysian red hybrid tilapia (oreochromis niloticus × o. mossambicus) farm experiencing high mortality
publisher Elsevier
publishDate 2018
url http://psasir.upm.edu.my/id/eprint/54470/1/A%20case%20of%20natural%20co-infection%20of%20Tilapia%20Lake%20Virus%20.pdf
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