Mariculture Committee ICES CM 2003/F:03 Ref. ACME REPORT OF THE Working Group on Pathology and Diseases of Marine Organisms Aberdeen, UK 11–15 March 2003 This report is not to be quoted without prior consultation with the General Secretary. The document is a report of an expert group under the auspices of the International Council for the Exploration of the Sea and does not necessarily represent the views of the Council. International Council for the Exploration of the Sea Conseil International pour l’Exploration de la Mer Palægade 2–4 DK–1261 Copenhagen K Denmark TABLE OF CONTENTS Section Page EXECUTIVE SUMMARY ................................................................................................................................................ 1 1 OPENING AND STRUCTURE OF THE MEETING............................................................................................... 3 2 ICES: ITEMS OF RELEVANCE TO WGPDMO..................................................................................................... 3 2.1 ICES Annual Science Conference 2002.......................................................................................................... 3 2.2 ICES Mariculture Committee (MARC).......................................................................................................... 4 2.3 ICES Advisory Committee on the Marine Environment (ACME) ................................................................. 4 2.4 Baltic Sea Regional Project (BSRP) ............................................................................................................... 4 3 TERMS OF REFERENCE, ADOPTION OF AGENDA, SELECTION OF RAPPORTEURS................................ 5 3.1 Terms of Reference......................................................................................................................................... 5 3.2 Adoption of the Agenda.................................................................................................................................. 5 3.3 Selection of Rapporteurs................................................................................................................................. 5 4 OTHER RELEVANT INFORMATION.................................................................................................................... 5 5 ANALYSE NATIONAL REPORTS ON NEW DISEASE TRENDS IN WILD AND CULTURED FISH, MOLLUSCS AND CRUSTACEANS ....................................................................................................................... 6 5.1 Wild Fish......................................................................................................................................................... 6 5.1.1 Conclusions....................................................................................................................................... 8 5.1.2 Recommendations............................................................................................................................. 9 5.2 Farmed fish ..................................................................................................................................................... 9 5.2.1 Conclusions..................................................................................................................................... 12 5.2.2 Recommendations........................................................................................................................... 12 5.3 Wild and Farmed Shellfish ........................................................................................................................... 12 5.3.1 Conclusions..................................................................................................................................... 16 5.3.2 Recommendations........................................................................................................................... 16 6 REPORT ON PROGRESS IN THE ONGOING INVESTIGATIONS OF THE EFFECT OF TEMPERATURE ON BONAMIA INFECTION DYNAMICS AND REPORT ON THE CONFIRMATION OF THE AGENT OF CRASSOSTREA ANGULATA GILL DISEASE AND ITS INFECTIVITY TO CRASSOSTREA GIGAS AND OTHER OYSTERS SPECIES ................................................................................................................................. 17 6.1 Conclusions................................................................................................................................................... 18 6.2 Recommendations......................................................................................................................................... 18 7 REVIEW THE EXISTING STRATEGIES TO ASSESS THE PREVALENCE OF SHELLFISH DISEASES IN PARALLEL TO FISH DISEASES AND CHEMICAL CONTAMINATION LEVELS IN ENVIRONMENTAL MONITORING PROGRAMMES. .......................................................................................................................... 18 8 REVIEW OF MOLECULAR TECHNIQUES USED TO DIFFERENTIATE THE VARIOUS SPECIES/ISOLATES OF PERKINSUS SPP........................................................................................................... 19 9 OBTAIN INFORMATION ON THE EU PROJECT “DIAGNOSIS OF OYSTER HERPES-LIKE VIRUS: DEVELOPMENT AND VALIDATION OF MOLECULAR, IMMUNOLOGICAL AND CELLULAR TOOLS” (FAIR-PL98-4334) AND REVIEW THE RESULTS.............................................................................................. 20 10 REVIEW AND REPORT ON PROGRESS MADE IN THE “FISH DISEASES AND LIVER HISTOPATHOLOGY” COMPONENT OF THE BEQUALM SELF-FUNDING SCHEME. ............................... 21 11 REVIEW AND ASSESS THE IMPACT OF DISEASES OF FARMED FISH ON WILD FISH STOCKS .......... 22 11.1 Conclusions................................................................................................................................................... 22 11.2 Recommendations......................................................................................................................................... 23 12 MAINTAIN AN OVERVIEW OF THE SPREAD OF ICHTHYOPHONUS IN HERRING STOCKS AND THE DISTRIBUTION AND POSSIBLE CAUSE(S) OF THE M74 SYNDROME........................................................ 23 12.1 Conclusions................................................................................................................................................... 24 12.2 Recommendations......................................................................................................................................... 24 13 ASSESS AND REPORT ON THE EFFECTIVENESS OF SALMON FARMING MANAGEMENT CONTROL METHODS FOR SEA LICE ................................................................................................................................... 24 13.1 Conclusions................................................................................................................................................... 25 13.2 Recommendations......................................................................................................................................... 25 14 REVIEW PROGRESS MADE IN THE MODIFICATIONS TO THE ICES DATABASES AND REVIEW AND APPROVE THE REVISED ICES ENVIRONMENTAL DATA REPORTING FORMAT (VERSION 3.2) ........ 25 i 14.1 Conclusion .................................................................................................................................................... 26 14.2 Recommendations......................................................................................................................................... 26 15 REVIEW THE CRITERIA FOR THE INCORPORATION OF EXTERNALLY VISIBLE FISH DISEASES INTO MONITORING PROGRAMMES ON BIOLOGICAL EFFECTS OF CONTAMINANTS – AND PROVIDE FEEDBACK TO WGBEC..................................................................................................................... 26 15.1 Conclusions................................................................................................................................................... 27 15.2 Recommendations......................................................................................................................................... 27 16 REVIEW PROGRESS MADE WITH REGARD TO THE UPDATE OF ICES PUBLICATIONS ON PATHOLOGY AND DISEASES OF MARINE ORGANISMS ............................................................................. 27 16.1 Web-based report on diseases and parasites of wild and farmed marine fish and shellfish as part of the ICES environmental status report........................................................................................................................... 27 16.1.1 Conclusions..................................................................................................................................... 27 16.1.2 Recommendations........................................................................................................................... 27 16.2 Manuscript on methods for the statistical analysis of fish disease data for submission to the ICES TIMES series ............................................................................................................................................................. 27 16.2.1 Conclusion ...................................................................................................................................... 28 16.2.2 Recommendations..........................................................................................................................