In Australia, aquaculture is undergoing a growth phase (approximately 18% p.a.) where the number of aquaculture facilities, as well as the number of aquatic animal species being cultured, is increasing. The current value of the aquaculture sector is placed at $800 million and is expected to increase to $2-3 billion over the next 10 years. As the industry expands and intensifies the risk of infectious disease outbreaks also increases and there is a need for a parallel increased level of research on these diseases (c.f. Federal Budget Initiative). As part of the R&D effort nationwide, there is a need for a scientific conference during which the key aquatic animal health specialists/researchers/managers can convene and discuss current and future aquatic animal health issues and resolutions.

In addition, the development of World Trade Organisation agreements on freedom of trade between countries is seeing an increase in the use of aquatic animal disease as a de facto trade barrier and increasing demands on exporting countries to demonstrate freedom from diseases of concern. The issue of Canadian exports of salmon to Australia and the national white spot survey of prawns and crabs are recent Australian examples. The demand of Australia by our trading partners for demonstrated competence in surveillance and monitoring is going to require a much greater investment by Australia in training of expertise, standardisation of diagnostic techniques and development of new methodology to back nationwide surveillance and monitoring programs. None of this activity will happen unless we foster a team approach by the limited numbers of individuals working in the aquatic animal disease disciplines. The development of AQUAPLAN and the Federal Budget Initiative has placed Australia at the forefront of aquatic animal disease management. An opportunity exists to capitalise on these initiatives and to value-add to planned outputs.

It is proposed that the Scientific Advisory Committee of the FRDC Aquatic Animal Health Subprogram plan, organise and lead a 3-day scientific conference entitled, ‘Emergency Disease Planning and Management’, the core activity of which will be reports/scientific presentations on current projects funded by the Health Subprogram. In addition to these presentations, there is a need to highlight other aquatic health research, methodological and policy issues which may be of current or potential, future concern to Australia and which impact on emergency disease management. This conference will provide a forum for communication of project outputs, for critical review of aquatic animal health R&D currently undertaken in Australia, and will allow full discussion of the research and provide feed-back to the Principal Investigators of Subprogram projects. In this way, projects will benefit from receiving input from a relatively large number of researchers from a broad range of backgrounds. Potential future projects would be identified. In addition, an international expert with first-hand experience in management/eradication of an exotic aquatic animal disease could be invited to lead a discussion on a special topic relevant to emergency disease planning and management.

Australian prawn production at around 22 kilotonnes is valued in excess of $250 million. Clearly, the prawn fishery is an important natural resource for Australia that is also the basis for a significant export industry. In addition, prawn aquaculture is a significant industry in northern Australia and accounts for around 14% of the total volume of Australian prawn production. Infectious myonecrosis is a viral disease that has caused significant disease outbreaks and mortalities in farmed Penaeus vannamei in Brazil and South-East Asia, including Indonesia. While P. vannamei is considered the principal host, experimental infection of P. stylirostris (Pacific blue shrimp) and P. monodon (black tiger shrimp) has been reported. The susceptibility of other shrimp/prawn species is unknown. Information on the susceptibility of prawn species important to Australia, including banana prawns (Fenneropenaeus merguiensis), brown tiger prawns (P. esculentus) is lacking. This project would provide information on the susceptibility of two important species of Australian prawns to exotic IMNV. Such information is important to policy-makers, regulators and primary producers with respect to relevant biosecurity issues at all levels of government.

Development of contingency plans for significant aquatic animal diseases is a critical first step in the management of disease outbreaks. In this respect, aquatic animal health policy development is lagging behind terrestrial animal health policy by approximately 20 years.

At the Melbourne workshops, all sectors of the fishing industry strongly supported the need for a national approach to aquatic animal disease control issues and identified the writing of contingency plans for disease incursions to be an important task. Also they noted there was a need to build on the unanimous support for this contingency planning process and there was an expectation that some generic, sectoral plans could be developed very rapidly.