Paternal Association of Increased Susceptibility to Viral Haemorrhagic Septicaemia (VHS) in Rainbow Trout (Oncorhynchus mykiss)

P. Kaastrup, Viggo Hørlyck, Niels Jørgen Olesen, Niels Lorenzen, P.E.V. Jørgensen, P. Berg

    Research output: Contribution to journalJournal articleResearchpeer-review

    Abstract

    Farming of rainbow trout (Oncorhynchus mykiss) in Europe is hampered by unacceptably heavy losses due to the severe infectious disease viral haemorrhagic septicaemia (VHS). Strain-dependent variation of VHS resistance exists. A long-term breeding programme to increase VHS resistance in rainbow trout has been started in Denmark. This programme will be based on experimental VHS challenge of the parental fish (n = 84) as well as their normal and gynogenetic offspring (16 fullsib F1 groups). We found a paternal influence on the average VHS resistance of the offspring; partial regression coefficients for sire-offspring were estimated at 0.30 ± 0.09 and for dam-offspring at −0.1 ± 0.12.
    Original languageEnglish
    JournalCanadian Journal of Fisheries and Aquatic Sciences
    Volume48
    Issue number7
    Pages (from-to)1188–1191
    ISSN0706-652X
    DOIs
    Publication statusPublished - 1991

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