Does the Aquasmart(TM) feeding system reduce sea louse [Lepeophtheirus salmonis (Kroyer)] infestation on farmed Atlantic salmon (Salmo salar L.) in winter?

A. R. Lyndon, J. P G Toovey

    Research output: Contribution to journalArticle

    8 Citations (Scopus)

    Abstract

    Infections of sea lice [Lepeophtheirus salmonis (Kroyer)] were studied over winter on a working, commercial salmon farm in relation to two types of feeding system: A regular, pneumatic spray feeder and an irregular. 'demand feed' sensor system (Aquasmart(TM)). Contrary to prediction, the Aquasmart(TM) system alone had no significant effect on chalimus infestation compared with fish fed by pneumatic spray. However, it was associated with significantly reduced numbers of mobile stages, both at the beginning of the study (P < 0.05) and, more particularly, in conjunction with treatment of all pens using hydrogen peroxide (P < 0.001). It is suggested that feeding regime may represent a useful tool in reducing lice infestation when coordinated with other methods of control, such as peroxide treatment, and that further work in this field is merited.

    Original languageEnglish
    Pages (from-to)843-847
    Number of pages5
    JournalAquaculture Research
    Volume31
    Issue number11
    DOIs
    Publication statusPublished - 2000

    Keywords

    • Automated feeding
    • Hydrogen peroxide
    • Infection intensity
    • Parasite control
    • Reinfection
    • Salmon lice

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