Optimisation of treatment of Ichthyophthirius multifiliis in farmed freshwater fish: Final Report to the Fisheries Research & Development Corporation

James Forwood, James Harris, Matt Landos, Marty Deveney

    Research output: Other contributionpeer-review

    Abstract

    Rainbow trout (Oncorhynchus mykiss Walbaum)are an ideal species for cultivation and are an important aquaculture species in Victoria, Australia (ABARES 2011). Rainbow trout are primarily cultured in flow-through systems with incoming water sourced from a river or lake. The cultured fish are therefore exposed to pathogens from outside the culture environment. Rainbow trout are susceptible to a number of diseases, in particular the ciliate parasite Ichthyophthirius multifiliis (Fouquet). Management of I. multifiliisprior to 2011 was often ineffective and I. multifiliis caused major stock losses. A meeting of the Victorian Trout Growers Association (VGTA) identified I. multifiliisas a limiting factor for the growth and sustainability of the industry. This study focused on developing effective treatment systems and is an extension of a previous DPI Victoria (Now DEPI) project Improving the resilience of aquaculture sectors to climate variability -better practice fish health management for salmonid farmers.
    Original languageEnglish
    PublisherSouth Australian Research and Development Institute (Aquatic Sciences)
    Number of pages80
    Place of PublicationAdelaide
    ISBN (Print)978-1-921563-57-7
    Publication statusPublished - Apr 2014

    Publication series

    NameSARDI Research Report Series
    PublisherSouth Australian Research and Development Institute
    No.762

    Keywords

    • Ichthyophthirius multifiliis
    • freshwater fish
    • ciliate parasite
    • rainbow trout

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