Rhabdovirus carpio as a causative agent of disease in rainbow trout (Oncorhynchus mykiss - Walbaum)

Svetlana, Jeremic; Ivetic, Vojin; Radosavljević, Vladimir

doi:10.2298/avb0606553j

Cited by 8 publications

(3 citation statements)

References 2 publications

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“…In the autumn of 2007, two strains of SVCV were isolated from cultured rainbow trout fingerlings due to increased mortality (cumulative mortality around 10%) with non‐specific clinical signs, which prompted sampling and examination. Previous reports from Serbia, Iran and Northern Ireland have described the isolation of SVCV from rainbow trout (Asl et al, 2008; Jeremic et al, 2006; Rowley et al, 2001). Haenen and Davidse (1993) reported that, following experimental infection, SVCV strains did not result in significant mortalities in rainbow trout.…”

Section: Discussionmentioning

confidence: 99%

Phylogenetic analysis of spring viraemia of carp virus isolated in Serbia

Radosavljevic,

Cuenca,

Wood

et al. 2023

Journal of Fish Diseases

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Spring viraemia of carp (SVC) is an infectious disease responsible for severe economic losses for various cyprinid species, particularly common carp (Cyprinus carpio carpio). The causative agent is the Rhabdovirus carpio or SVC virus (SVCV), a member of the Sprivivirus genus, within the Rhabdoviridae family. Phylogenetically, SVCV is divided into four genogroups (SVCV a, SVCV b, SVCV c and SVCV d), which have a reasonable correlation with the geographical distribution of the virus. In the late twentieth century, the disease was widespread in Serbian aquaculture and caused massive deaths in common carp. This study aimed to molecularly characterize the circulating SVCV isolates in Serbia over a 17‐year period. The genetic relationships between 21 SVCV isolates from common carp and rainbow trout in Serbia between 1992 and 2009 were determined based on the partial nucleotide sequence of the glycoprotein gene (G gene). The phylogenetic analysis showed that the dominant SVCV isolates in Serbia belong to the SVCV d genogroup, with only one isolate belonging to genogroup SVCV b. The SVCV strains circulating in Serbia exhibited high homogeneity, as several isolates shared 100% similarity within these genogroups. Most Serbian isolates belonged to SVCV d1 and d2 subgroups, with one isolate notably different and included in a new subgroup SVCV d5. Understanding the SVCV genetic variants circulating in Serbia would be helpful in future epizootic investigations.

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Section: Discussionmentioning

confidence: 99%

Phylogenetic analysis of spring viraemia of carp virus isolated in Serbia

Radosavljevic,

Cuenca,

Wood

et al. 2023

Journal of Fish Diseases

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“…Parameter 5 -Wild reservoir species (or family/orders) Species listed as having incomplete evidence for susceptibility to SVCV by WOAH include: spotfin shiner (Cyprinella spiloptera) (Boonthai et al, 2017) and creek chub (Semotilus atromaculatus) (Boonthai et al, 2017). SVCV has also been isolated from rainbow trout (Oncorhynchus mykiss) (Johnson et al, 1999;Jeremi c et al, 2006), crucian carp (Carassius carassius), pike (Esox lucius), fire belly newt (Cynops orientalis), silver carp (Hypophthalmichthys molitrix), yellow perch (Perca flavescens), white sucker (Catostomus commersonii), Nile tilapia (Oreochromis niloticus), emerald shiner (Notropis atherinoides), mrigal carp (Cirrhinus mrigala), tench (Tinca tinca), Chinook salmon (Oncorhynchus tshawytscha), sockeye salmon (Oncorhynchus nerka) and Pacific white shrimp (Litopenaeus vannamei) (Johnson et al, 1999).…”

Section: Reservoir Animal Speciesmentioning

confidence: 99%

Assessment of listing and categorisation of animal diseases within the framework of the Animal Health Law (Regulation (EU) 2016/429): Spring Viraemia of Carp (SVC)

Nielsen,

Alvarez,

Calistri

et al. 2023

EFS2

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Spring Viraemia of Carp (SVC) was assessed according to the criteria of the Animal Health Law (AHL), in particular the criteria of Article 7 on disease profile and impacts, Article 5 on its eligibility to be listed, Annex IV for its categorisation according to disease prevention and control rules as in Article 9 and Article 8 for listing animal species related to SVC. The assessment was performed following the ad hoc method for data collection and assessment previously developed by the AHAW panel and already published. The outcome reported is the median of the probability ranges provided by the experts, which indicates whether each criterion is fulfilled (lower bound ≥ 66%) or not (upper bound ≤ 33%), or whether there is uncertainty about fulfilment. Reasoning points are reported for criteria with an uncertain outcome. According to the assessment performed here, it is uncertain whether SVC can be considered eligible to be listed for Union intervention according to Article 5 of the AHL (45-90% probability). According to the criteria in Annex IV, for the purpose of categorisation related to the level of prevention and control as in Article 9 of the AHL, the AHAW Panel concluded that SVC does not meet the criteria in Section 1 (Category A; 5-33% probability of meeting the criteria) and it is uncertain whether it meets the criteria in Sections 2, 3, 4 and 5 (Categories B, C, D and E; 33-66%, 10-66%, 45-90% and 45-90% probability of meeting the criteria, respectively). The animal species to be listed for SVC according to Article 8 criteria are provided.

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“…Experimental infection of other cyprinid species included roach (Rutilus rutilius) [8], zebrafish (Danio rerio) [9], and fathead minnow (Pimephales promelas) [Emmenegger unpublished data]. Fish species from other families of Poeciliidae, Esocidae, Centrarchidae, Siluridae, and Salmonidae have also been infected by SVCV [2,10]. Due to the highly infectious nature of SVCV and potential impact this virus could have on susceptible fish populations globally, any detection of SVCV requires notification within 48 h to the Office of Internationale Epizootic (OIE), the organization charged with regulating world animal health.…”

Section: Introductionmentioning

confidence: 99%

DNA vaccine protects ornamental koi (Cyprinus carpio koi) against North American spring viremia of carp virus

Emmenegger

Kurath

2008

Vaccine

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The emergence of spring viremia of carp virus (SVCV) in the United States constitutes a potentially serious alien pathogen threat to susceptible fish stocks in North America. A DNA vaccine with an SVCV glycoprotein (G) gene from a North American isolate was constructed. In order to test the vaccine a challenge model utilizing a specific pathogen-free domestic koi stock and a cold water stress treatment was also developed. We have conducted four trial studies demonstrating that the pSGnc DNA vaccine provided protection in vaccinated fish against challenge at low, moderate, and high virus doses of the homologous virus. The protection was significant (p < 0.05) as compared to fish receiving a mock vaccine construct containing a luciferase reporter gene and to non-vaccinated controls in fish ranging in age from 3 to 14 months. In all trials, the SVCV-G DNA immunized fish were challenged 28-days post-vaccination (546 degree-days) and experienced low mortalities varying from 10 to 50% with relative percent survivals ranging from 50 to 88%. The non-vaccinated controls and mock construct vaccinated fish encountered high cumulative percent mortalities ranging from 70 to 100%. This is the first report of a SVCV DNA vaccine being tested successfully in koi. These experiments prove that the SVCV DNA (pSGnc) vaccine can elicit specific reproducible protection and validates its potential use as a prophylactic vaccine in koi and other vulnerable North American fish stocks.

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Rhabdovirus carpio as a causative agent of disease in rainbow trout (Oncorhynchus mykiss - Walbaum)

Cited by 8 publications

References 2 publications

Phylogenetic analysis of spring viraemia of carp virus isolated in Serbia

Phylogenetic analysis of spring viraemia of carp virus isolated in Serbia

Assessment of listing and categorisation of animal diseases within the framework of the Animal Health Law (Regulation (EU) 2016/429): Spring Viraemia of Carp (SVC)

DNA vaccine protects ornamental koi (Cyprinus carpio koi) against North American spring viremia of carp virus

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