FAO FISHERIES TECHNICAL PAPER 451

FAO FISHERIES TECHNICAL PAPER 451

Surveillance and zoning
for aquatic animal diseases

Cover photograph:
Courtesy of DongLim Choi, National Fisheries Research and Development Institute, Pusan, Republic of Korea

edited by
Rohana P. Subasinghe
Inland Water Resources and Aquaculture Service
Fishery Resources Division
FAO Fisheries Department

Sharon E. McGladdery
Department of Fisheries and Oceans Canada
Oceans and Aquaculture Science
Ottawa
Canada
and

Barry J. Hill
Centre for Environment, Fisheries and Aquaculture Science
Weymouth Laboratory
The Nothe, Weymouth
United Kingdom

FOOD AND AGRICULTURE ORGANIZATION OF THE UNITED NATIONS
Rome, 2004

 

Table of Contents


The designations employed and the presentation of material in this information product do not imply the expression of any opinion whatsoever on the part of the Food and Agriculture Organization of the United Nations or of the Department of Fisheries and Oceans Canada or of the World Organisation for Animal Health concerning the legal or development status of any country, territory, city or area or of its authorities, or concerning the delimitation of its frontiers or boundaries.

ISSN 0429-9345
ISBN 92-5-105116-X

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© FAO 2004


TABLE OF CONTENTS

PREPARATION OF THIS DOCUMENT

ABSTRACT

FROM THE EDITORS

LIST OF ABBREVIATIONS AND ACRONYMS

RELEVANT DEFINITIONS FROM THE OIE AQUATIC ANIMAL HEALTH CODE

ADDITIONAL DEFINITIONS RELEVANT TO NATIONAL SURVEILLANCE PROGRAMMES

EXECUTIVE SUMMARY

INTRODUCTION

GUIDING PRINCIPLES

SCIENTIFIC PRINCIPLES FOR SURVEILLANCE TO ESTABLISH AND MAINTAIN ZONES

Animals in general
Finfish
Crustaceans
Molluscs

OVERVIEW OF SURVEILLANCE AND ZONING

What is disease surveillance?
Importance of disease surveillance
Purpose and objectives of surveillance
Types of surveillance
What is zoning and what are zones?
Importance of zoning
How are zone boundaries defined?
Types of zones
Zones free of specific diseases
Buffer zones for specific diseases
Movement of animals between zones
Relationship of surveillance and zoning to import risk analysis

GUIDELINES FOR SURVEILLANCE AND ZONING

Diagnosing disease
Establishing a case definition
Investigating disease outbreaks
Disease outbreak investigation

DISEASE SURVEILLANCE

Basic requirements for implementing a surveillance programme
Clearly stated objectives
List of diseases
Capability and capacity
Information specifications
Data management and reporting
Transparency and disease reporting
Implementing a basic surveillance programme
Surveillance to support zoning
Surveillance questions

SURVEILLANCE AND ZONATION - A PRACTICAL CASE STUDY

Atlantic Canadian oyster disease surveillance

REFERENCES

APPENDIXES

Appendix I. A model plan for strengthening national and regional capabilities in disease surveillance
Appendix II. List of participants of the Expert Consultation
Appendix III. Consultation work programme

BACK COVER