Infectious salmon anaemia virus detected by RT‐qPCR in Norwegian farmed rainbow trout, Oncorhynchus mykiss (Walbaum, 1792)

Abstract

How to cite this article: Alarcón M, Moldal T, Dverdal Jansen M, et al. Infectious salmon anaemia virus detected by RT-qPCR in Norwegian farmed rainbow trout, Oncorhynchus mykiss (Walbaum, 1792).

Salmon Erythrocytes Sequester Active Virus Particles in Infectious Salmon Anaemia

“…While no evidence of causality exists, the ability to elute from erythrocytes appears to relate inversely to the susceptibility to disease. Rainbow trout can sustain ISAV infection [18,19], yet experimental infection does not appear to induce signs of ISA in this species, with the exception of a single study where ISA-like disease was observed in a few family groups [19][20][21]. Furthermore, the one reported case of natural ISAV infection in rainbow trout was not associated with disease [18].…”

“…Rainbow trout can sustain ISAV infection [18,19], yet experimental infection does not appear to induce signs of ISA in this species, with the exception of a single study where ISA-like disease was observed in a few family groups [19][20][21]. Furthermore, the one reported case of natural ISAV infection in rainbow trout was not associated with disease [18]. In contrast, Atlantic salmon is the only species where natural outbreaks of ISA have been reported.…”