In-depth health surveillance and clinical nutrition in farmed Atlantic salmon: a strategic attempt to detect and mitigate an HSMI outbreak ...

Abstract Fish health personnel have limited tools in combatting viral diseases such as heart and skeletal muscle inflammation (HSMI) in open net-pen farmed Atlantic salmon. In this study, we aimed to predict HSMI by intensified health monitoring and apply clinical nutrition to mitigate the condition...

Full description

Bibliographic Details
Main Authors: Rennemo, Johan, Myrvold, Steinar, Berge, Kjetil, Kileng, Øyvind, Pedersen, Børge, Aksberg, Dan Sindre, Lisik, Piotr, Crappe, Delphine, McGurk, Charles, Rimstad, Espen, Wessel, Øystein, Koppang, Erling Olaf, Bjørgen, Håvard
Format: Article in Journal/Newspaper
Language:unknown
Published: figshare 2023
Subjects:
Medicine
Biotechnology
59999 Environmental Sciences not elsewhere classified
FOS Earth and related environmental sciences
Ecology
FOS Biological sciences
Immunology
FOS Clinical medicine
69999 Biological Sciences not elsewhere classified
Cancer
Inorganic Chemistry
FOS Chemical sciences
Science Policy
60506 Virology
Atlantic salmon
Online Access:https://dx.doi.org/10.6084/m9.figshare.c.6584032.v1
https://springernature.figshare.com/collections/In-depth_health_surveillance_and_clinical_nutrition_in_farmed_Atlantic_salmon_a_strategic_attempt_to_detect_and_mitigate_an_HSMI_outbreak/6584032/1
Description
Summary:Abstract Fish health personnel have limited tools in combatting viral diseases such as heart and skeletal muscle inflammation (HSMI) in open net-pen farmed Atlantic salmon. In this study, we aimed to predict HSMI by intensified health monitoring and apply clinical nutrition to mitigate the condition. We followed a commercial cohort (G1) of Atlantic salmon that was PRV-1 naïve when transferred to a sea cage at a location where HSMI outbreaks commonly occur. The fish in the other cages (G2-G6) at the location had a different origin than G1 and were PRV-1 positive prior to sea transfer. By continuous analysis of production data and sequentially (approximately every fourth week) performing autopsy, RT-qPCR (for PRV-1 and selected immune genes), blood and histological analysis of 10 fish from G1 and G2, we identified the time of PRV-1 infection in G1 and predicted the onset of HSMI prior to any clinical signs of disease. Identical sequences across partial genomes of PRV-1 isolates from G1 and G2 suggest the ...

Similar Items