O’ Kane, Patricia
KeywordFish Health Ireland
Aquatic Animal Health,
Fish Health Approvals
Fish Health Competent Authority,
Fish Health Unit
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AbstractThis report summarises the activities undertaken by the Fish Health Unit of the Marine Institute in 2022. Regulation (EU) 2016/429 lays down the rules for the prevention and control of animal diseases which are transmissible to animal or humans and the Marine Institute is the Competent Authority responsible for implementation of this regulation in Ireland. The purpose of this report is to provide all stakeholders with an improved understanding of the operations of the Marine Institute in fish health, and the findings encountered by the Fish Health Unit in 2022.
CitationDore, B., Kenny, E., Bradley, F., O' Kane, P., Clancy, J., Farragher, E., Cheslett, D., White, S., & Griffin, B. (2023). Fish Health Unit Report of Activities Undertaken in 2022. Marine Environment and Health Series, No. 45. Marine Institute, Ireland.
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Fish Health Unit Report of Activities Undertaken in 2018 and 2019Dore, W.; Power, A.; Kenny, E.; Bradley, F.; Cheslett, D.; White, S.; McCarthy, U.; Ruane, N. M. (Marine Institute, 2020)This report summarises the activities undertaken by the Fish Health Unit (FHU) of the Marine Institute (MI) in 2018 and 2019. The services of the FHU, undertaken on behalf of the State, are largely driven by European and national legislation on aquatic animal health. European Council Directive 2006/88/EC on animal health requirements for aquaculture animals lays down rules for the control of aquatic animal health within the EU. The directive is enacted in Irish Law by Statutory Instrument (SI) 261 of 2008. The MI is the Competent Authority (CA) responsible for implementation of aquatic animal health regulation in Ireland as described in these statutes. Aquatic animal health regulations in SI 261 of 2008 apply to finfish farms, shellfish farms, and put and take fisheries, and require that such aquaculture production businesses (APBs) obtain a Fish Health Authorisation (FHA) from the CA prior to operation.
Pancreas Disease in Farmed Salmon - Health Management and Investigations at Irish Farm Sites 2005-2008Graham, D; Rodger, H; Ruane, N. M. (Marine Institute, 2008)This publication constitutes the final report for the research project ST/05/01 “Site investigations and disease management of the pancreas disease virus in Irish farmed salmon”, funded under the NDP Marine RTDI Programme. Work undertaken within the project included longitudinal studies of rainbow trout and Atlantic salmon at sea following the course of infection, testing for vectors and reservoirs of the virus, molecular studies of the virus and an epidemiological investigation of pancreas disease in Ireland. Results have shown that although pancreas disease is endemic in marine farmed Atlantic salmon, no evidence of infection in rainbow trout farmed at sea was found. Serological and molecular based diagnostic methods were shown to be suitable for the screening of fish stocks for the presence of the virus. For the confirmation of clinical outbreaks, farm data and histopathological results should be included. The results also suggest that horizontal transmission of the virus may be the main route of infection between sites. The project also involved the technology transfer of molecular and serological diagnostic methods for pancreas disease between partners and the final chapter includes practical information on management of, and mitigation against, pancreas disease. Pathologies such as pancreas disease, heart and skeletal muscle inflammation and cardiomyopathy syndrome, pose a serious threat to salmonid farming in Ireland, Scotland and Norway. Most significant among this group of diseases is pancreas disease, a viral disease affecting Atlantic salmon during the marine stage of the production cycle. From the first description of pancreas disease in farmed Atlantic salmon from Scotland in 1976 the disease has now become endemic in Ireland and parts of Norway and continues to be significant in Scotland. The causal agent of pancreas disease, a salmonid alphavirus, has now been characterised and a closely related subtype of the virus is known to cause sleeping disease in farmed rainbow trout on continental Europe and in the United Kingdom. The Irish salmon farming industry has estimated that pancreas disease has resulted in a total loss of turnover of €35 million with €12 million loss of profit in the years 2003-2004. The economic impacts are estimated to be in the range of €100 million per year in Norway. In Scotland, pancreas disease and related pathologies are increasingly responsible for significant losses in marine salmon farms but these have yet to be quantified.
Management of health risks associated with oysters harvested from a norovirus contaminated area, Ireland, February–March 2010Doré, B.; Keaveney, S.; Flannery, J.; Rajko-Nenow, P. (European Centre for Disease Prevention and Control, 2010)Oysters from a harvesting area responsible for outbreaks of gastroenteritis were relaid at a clean seawater site and subsequently depurated in tanks of purified seawater at elevated temperatures. This combined treatment reduced norovirus levels to those detected prior to the outbreak. On the basis of norovirus monitoring the sale of treated oysters was permitted although the harvest area remained closed for direct sale of oysters. No reports of illness have been associated with the consumption of treated oysters.