Author Contributions:Anne Bakke: Conceptualization, Methodology, Writing – original draft preparation, Writing – review & editing; Alexander Rebl: Conceptualization, Methodology; Petter Frost: Writing – review & editing; Sergey Afanasyev: Software and Data curation; Kristoffer Alnes Røyset: Methodology, Writing – review & editing; Tina Søfteland: Writing – review & editing; Hege Lund: Conceptualization, Writing – review & editing, Supervision; Preben Boysen: Conceptualization, Writing – review & editing, Supervision, Project administration and Funding acquisition; Aleksei Krasnov: Conceptualization, Methodology, Writing – original draft preparation, Writing – review & editing, Project administration and Funding acquisition, All authors have read and agreed to the published version of the manuscript.Effect of two constant light regimens on antibody profiles and immune gene expression in atlantic salmon following vaccination and experimental challenge with salmonid alphavirus