Installation and operation of a modular bivalve hatchery

 

Cover photographs and drawings:
Clockwise from top left: A spawning female Manila clam (courtesy of Brian Edwards); interior of a small bivalve hatchery; photomicrograph of six-day old sand scallop (Euvola ziczac) larvae; technical layout plan of a modular bivalve hatchery; technical detail of a semi-recirculating nursery raceway system (drawings by Souhaila Sarkis).

Prepared by
Samia Sarkis
FAO Consultant
Bermuda
Compiled and edited by
Alessandro Lovatelli
FAO Inland Water Resources and Aquaculture Service
FOOD AND AGRICULTURE ORGANIZATION OF THE UNITED NATIONS Rome, 2007
FAO
FISHERIES TECHNICAL PAPER

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ISBN 978-92-5-105595-3
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Preparation of this document

Abstract

Glossary

Abbreviations, acronyms and conversions

Chapter 1 Scallop broodstock: facilities, reproduction and spawning

1.2. SCIENTIFIC BACKGROUND – NATURAL HABITAT AND REPRODUCTIVE CYCLE

1.3. TECHNIQUES – BROODSTOCK

Chapter 2. Algal cultures: facilities and techniques

2.2 SCIENTIFIC BACKGROUND – LIVE ALGAE AS FOOD

2.3. TECHNIQUES – GROWING ALGAE

Chapter 3. Hatchery: facilities and techniques for larval culture

3.2. SCIENTIFIC BACKGROUND – EMBRYONIC AND LARVAL DEVELOPMENT

3.3. SCIENTIFIC BACKGROUND – FACTORS INFLUENCING LARVAL REARING

3.4. TECHNIQUES – STANDARD PROTOCOL FOR REARING CALICO AND ZIGZAG SCALLOP LARVAE

Chapter 4. Nursery: facilities and culture of post-larvae

4.2. SCIENTIFIC BACKGROUND – SETTLEMENT AND METAMORPHOSIS

4.3. SCIENTIFIC BACKGROUND – POST-LARVAL DEVELOPMENT

4.4 TECHNIQUES – SETTING SYSTEMS AND PROTOCOL

4.5. TECHNIQUES – POST-LARVAL REARING REQUIREMENTS

Chapter 5 Growout of juveniles: transfer from nursery to field

5.2. TECHNIQUES – TRANSFER OF SPAT FROM NURSERY TO FIELD

5.3. TECHNIQUES – GROWOUT OF JUVENILES

5.4 TECHNIQUES – TRANSPORT OF JUVENILES

Chapter 6 Economic considerations: costs of set-up and labour requirements

6.2 OPERATIONAL LABOUR REQUIREMENTS

6.3. FINAL PRODUCT

Appendix 1 Description of oocyte developmental stages

Appendix 2 Sample data sheet for gonadal and muscle indices

Appendix 3 Broodstock check sheet

Appendix 4 Heating unit set-up and take-down

Appendix 5 Maintenance and cleaning of seawater system

Appendix 6. Pump room log

Appendix 7 Cleaning hatchery after spawning

Appendix 8 Details of materials – Plunger and drain

Appendix 9 Preparation of culture media

Appendix 10 Chemical sterilization procedure

Appendix 11 Set-up and take-down of seawater supply in algae container

Appendix 12. Bactopeptone test

Appendix 13. Algal culture check list

Appendix 14. Haemocytometer cell diagram

Appendix 15 Larval check sheet

Appendix 16 Determination of dry weight and ash-free dry weight

Appendix 17 Sieve construction for larval and post-larval collection

Appendix 18 Raceway check list

Appendix 19 Cleaning of raceway

Appendix 20 Counting grid for spat

Appendix 21 Preparation and ration for dry algae

Appendix 22 List of equipment: template for costing out set-up of modular hatchery

Appendix 23 List of selected suppliers

Literature cited