First detection of spring viraemia of carp virus in common carp (Cyprinus carpio L.) affected by a septicaemic disease in Mexico

Cesar Ortega, Leticia Cañas-Lopez, Rute Irgang, Raúl Fajardo, Matías Poblete-Morales, Benjamin Valladares-Carranza, Diana Tapia-Cammas, Ruben Avendaño-Herrera

Research output: Contribution to journalArticlepeer-review

12 Citations (Scopus)


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 SVC virus (SVCV), a member of the Sprivivirus genus, Rhabdoviridae family, and a List 1 pathogen notifiable by the World Organization for Animal Health. This study describes the diagnosis of an SVCV pathogen isolated in October 2015 from wild common carp inhabiting a natural lagoon in central Mexico. While neither an epidemic nor fish mortalities were reported, the collected killed specimens exhibited clinical signs of disease (e.g., exopthalmia, moderate abdominal distension and haemorrhaging, as well as internal haemorrhages and adhesions). Histological results of injuries were consistent with the pathology caused by SVCV. This finding was supported by the isolation of a virus in EPC and BF-2 cells and subsequent RT-PCR confirmation of SVCV. The phylogenetic analyses of partial SVCV glycoprotein gene sequences classified the isolates into the Ia genogroup. These findings make this the first report of SVCV detection in Mexico, extending the southern geographical range of SVCV within North America. However, since this pathogen was detected in fish inhabiting a natural body of water without tributaries or effluents, it is difficult to estimate the risk of SVCV for other wild/feral cohabitating cyprinid species in the lagoon. The status of this virus is also unknown for other bodies of water within this region.

Original languageEnglish
Pages (from-to)667-675
Number of pages9
JournalJournal of Fish Diseases
Issue number5
Publication statusPublished - 1 May 2019


  • Cyprinus carpio
  • México
  • spring viraemia of carp virus

ASJC Scopus subject areas

  • Aquatic Science
  • veterinary (miscalleneous)


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