Field Document No. 14 MARINE SNAILS SEED PRODUCTION TOWARDS
RESTOCKING ENHANCEMENT
BASIC MANUAL Edited by K. Kitutani and H. Yamakawa |
August 1999
Tonga Aquaculture Research & Development Project | South Pacific Aquaculture Development Project (II) |
Japan International Cooperation Agency | Food and Agriculture Organization of the United Nations |
GCP/RAS/116/JPN | |
Nuku'alofa, Tonga | Suva, Fiji |
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2.1 Green Snail, Turbo marmoratus
2.2 Topshell, Trochus niloticus
3.2 Natural Food Production
3.3 Spawning Induction
3.5 Egg washing and Removal of Excess Sperm
3.6 Calculations and Measurements
4. SUGGESTIONS FOR STOCK ENHANCEMENT
4.1 Tagging and Measuring Green Snail Seeds
4.4 Monitoring and Recovering Methods
APPENDIX 1. Diagrammatic Flow of Green Snail and Trochus Seed Production I, II & III
APPENDIX 2. State-of-the-art larval settlement tank in Sopu Mariculture Center (SMC)
APPENDIX 3. The Process of Trochus Seed Production in Okinawa (Isa et al.1997)
APPENDIX 4. Embryonic Stages of Development of Trochus niloticus Observed Under a Microscope
APPENDIX 5. Spawning Induction Table
APPENDIX 6. Larval Development Table
APPENDIX 7. Yearly working plan for Green Snail Seed Production at SMC
APPENDIX 8. Monthly working plan for Green Snail Seed Production at SMC
APPENDIX 9. Yearly routine work for Green Snail / Trochus at SMC
APPENDIX 10. Weekly routine work for Green Snail / Trochus at SMC
APPENDIX 11. Daily routine work for Green Snail / Trochus at SMC
APPENDIX 12. Emergency Measures for Green Snail/Trochus at SMC