Aquaculture operations in floating HDPE cages

 

A field handbook Francesco Cardia
FAO Project Manager Kingdom of Saudi Arabia and Alessandro Lovatelli
FAO Aquaculture Branch
Italy
FOOD AND AGRICULTURE ORGANIZATION OF THE UNITED NATIONS
and
MINISTRY OF AGRICULTURE OF THE KINGDOM OF SAUDI ARABIA
Rome, 2015

 

 

Preparation of this document

Abstract

Acknowledgements

Authors and contributors

Abbreviations and acronyms

UNITS AND SYMBOLS

1 Introduction

2 Site selection

SITE SELECTION CRITERIA

NAUTICAL CHARTS

3 Mooring and grid system installation

GRID SYSTEM AND MOORING SYSTEM

4 HDPE cage components

Collar installation

5 Fibres, netting and ropes

ROPES

NETTING

NET CAGE DESIGN

6 Maintenance and controls

RECORD-KEEPING AND SITE PLAN

PERIODIC INSPECTIONS

SIX-MONTH INSPECTION

ONE-MONTH INSPECTION

WEEKLY INSPECTION

DAILY INSPECTION

NON-CONFORMITIES

PROCEDURES FOR COMPONENT REPLACEMENT

BIOFOULING REMOVAL

NET CHANGING

7 Fish stocking: fingerlings and juveniles

BATCH QUALITY

FISH NUMBER COUNTS

FISH TRANSPORT AND STOCKING

8 Fish feeding

9. Fish stock management

10. Harvesting and packaging

PRE-HARVEST PREPARATION

HARVESTING METHODS

PROCESSING AND PACKAGING

11 Safety notes

References and further reading

Glossary Aquaculture operations in floating HDPE cages

Appendix 1 – Technical drawings and component list of a mooring system for a double-buoy cage system, moderate exposure, 16 m diameter cages

Appendix 2 – Technical characteristics of netting