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Where is Sea Lice Research Required?

Where is Sea Lice Research Required?. Rob Raynard. Sea Lice Multination. Gordon Ritchie - MH Kjell Maroni - FHF Randi Grontvedt - NVI. http://www.lusedata.no/Sider/FaktaTema.aspx?Tema=Sea%20lice%20multination. Medicine as control. 2015. 2005. 1995. 1990. 2010. 2000.

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Where is Sea Lice Research Required?

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  1. Where is Sea Lice Research Required? Rob Raynard

  2. Sea Lice Multination Gordon Ritchie - MH Kjell Maroni - FHF Randi Grontvedt - NVI http://www.lusedata.no/Sider/FaktaTema.aspx?Tema=Sea%20lice%20multination

  3. Medicine as control 2015 2005 1995 1990 2010 2000 Sustainable control Other methods of control

  4. Integrated Pest Management • Strategic use of a number of measures to provide sustainable control • combine good husbandry/management practices & biological control • optimise the effectiveness of available medicines • avoid resistance development • prolong the market life of medicines • minimise environmental inputs • With focus on ; • 1.Preventative measures • 2.Strategic and coordinated measures

  5. Integrated Pest Management - 5 Critical Measures 1. Well defined operational plans, biosecurity plans etc. 2. Monitoring – lice identification, medicine resistance monitoring.. 3. Management by prevention • Good husbandry and management • Biological approaches • Alternative technologies 4. Optimise medicinal control 5. Coordinated measures

  6. Validation & implementation of all mitigating measures R&D Development of best Integrated Pest Management Procedures Broad implementation

  7. Research needs - output from 2nd multination meeting • Structural measures and dispersion modelling • Aim: To develop scenario testing and decision support tools for a strategic approach to integrated pest management • Optimising use of assets in sea lice control • Modelling tools to predict best production plans with deployment of cages and treatment/control strategies • Need for data and new knowledge includes; • Oceanographic data • Sea lice data on farms • Sea lice biology • Treatment data

  8. Research needs 2. Farming and use of cleanerfish • Intensive culture • Sustainable capture fishery • Sustainable use • Fish health and welfare

  9. Research needs 3. Biological measures and molecular knowledge building • Aim: Sea lice control that involves the use of measures which exploit aspects of the parasite or host biology or environment • In-feed supplements • Vaccines • Breeding resistant salmon

  10. Research needs 4. Use of medication • Aim: Ensure that re-infection only occurs from wild source sea lice i.e. no added risk of lice infestation from fish farm • Integrated Pest/Resistance management • Minimal use of therapeutants • Optimal use of therapeutants • Assess treatment efficacy • Sensitivity testing • Technology development of bath and in-feed treatments • Generic best practice for sea lice control • Optimal intervention strategy – treatment thresholds, timing and size of management areas 5. Access to effective range of medicines

  11. Research needs 6. Resistance and surveillance • Aim: Standardisation of lice surveillance methods for counting lice and assessing treatment efficacy • International standard • Surveillance in wild fish • Measuring treatment efficacy • Comparable bioassay protocols • Pen-side bioassay kits • Integration of data and systems enabling analysis within regions and comparison across regions

  12. 7. Novel non-medical technologies • Examples • Lights • Depth • Physical removal

  13. Prioritised knowledge Gaps • Spatial distribution for development of IPM decision support. Farmed and wild interactions. • Sustainable use of wrasse. • Host pathogen interaction, resistant fish, immune modulation. • Optimal use of medicines. • International “meta data” standards enabling comparison of lice counts and bioassay data within and between regions. • Validation of novel non-medical controls.

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