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Rahnama, Roya, Seyfiabad Shapouri, Masoud Reza, Peyghan, Rahim, Rezaie, Anahita, Shahbazian, Nastaran. (1399). Definite diagnosis of viral haemorrhagic septicaemia infected farmed rainbow trout and histopathologic study of acutely diseased fish in Iran. سامانه مدیریت نشریات علمی, 19(3), 1556-1572. doi: 10.22092/ijfs.2019.118390
Roya Rahnama; Masoud Reza Seyfiabad Shapouri; Rahim Peyghan; Anahita Rezaie; Nastaran Shahbazian. "Definite diagnosis of viral haemorrhagic septicaemia infected farmed rainbow trout and histopathologic study of acutely diseased fish in Iran". سامانه مدیریت نشریات علمی, 19, 3, 1399, 1556-1572. doi: 10.22092/ijfs.2019.118390
Rahnama, Roya, Seyfiabad Shapouri, Masoud Reza, Peyghan, Rahim, Rezaie, Anahita, Shahbazian, Nastaran. (1399). 'Definite diagnosis of viral haemorrhagic septicaemia infected farmed rainbow trout and histopathologic study of acutely diseased fish in Iran', سامانه مدیریت نشریات علمی, 19(3), pp. 1556-1572. doi: 10.22092/ijfs.2019.118390
Rahnama, Roya, Seyfiabad Shapouri, Masoud Reza, Peyghan, Rahim, Rezaie, Anahita, Shahbazian, Nastaran. Definite diagnosis of viral haemorrhagic septicaemia infected farmed rainbow trout and histopathologic study of acutely diseased fish in Iran. سامانه مدیریت نشریات علمی, 1399; 19(3): 1556-1572. doi: 10.22092/ijfs.2019.118390

Definite diagnosis of viral haemorrhagic septicaemia infected farmed rainbow trout and histopathologic study of acutely diseased fish in Iran

Iranian Journal of Fisheries Sciences
مقاله 150، دوره 19، شماره 3، مرداد 2020، صفحه 1556-1572    اصل مقاله (1.05 M)
نوع مقاله: Research Paper
شناسه دیجیتال (DOI): 10.22092/ijfs.2019.118390
نویسندگان
Roya Rahnama* 1؛ Masoud Reza Seyfiabad Shapouri1؛ Rahim Peyghan1؛ Anahita Rezaie1؛ Nastaran Shahbazian2
1Shahid Chamran university of Ahvaz
2Iranian fisheries Sciences research institute
چکیده
Viral haemorrhagic septicaemia (VHS) is one of the most important viral diseases in rainbow trout that has caused great losses to the Iranian rainbow trout aquaculture industry in few recent years. In the early autumn of 2015, in order to identify the possible causes of loss, farmed fish were sampled from the epicenter where massive mortalities and economic losses had occurred. Three samples were collected from relevant tissues (i.e. liver, kidney, spleen, heart, and brain) of the rainbow trout with clinical signs of VHS disease. The samples were stored in 70% ethanol, Eagle’s minimum essential medium (EMEM) and 10% formalin to perform RT-PCR, cell-culture and histopathology examinations, respectively. A virus was isolated using fish cell lines inoculated with a homogenate of the internal organs. Sequencing analysis of truncated N gene confirmed the existence of VHS virus. RT-PCR and histopathology tests indicated the suitability and simplicity of the test as a paraclinical diagnostic method for VHS virus in the region. Haemorrhage, necrosis and other changes in histological sections of the diseased fish demonstrated pathological changes identical with the typical VHS pathology in target organ of the virus (i.e. heart, spleen, liver and kidney). To our knowledge, this is one the first studies that fully focused on the identification of VHSV from farmed trout in Iran by using histopathology examinations.
کلیدواژه‌ها
Histopathology؛ Rainbow trout؛ RT-PCR؛ Viral haemorrhagic septicaemia
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تعداد مشاهده مقاله: 370
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