1. Culture of seaweeds : How they become choice for aquaculture business Culture of seaweeds : How they become choice for aquaculture business Prachuap khiri khan Coastal fisheries Research & Developmentr center Department of Fisheries

2. what activities done for ? what activities done for ? 1. Food for abalone in hatchery/grow out pond 2. Improve water qualities before/after used 3. Alternative aquaculture for coastal fishermen

3. Class Chlorophyta Ulva reticulata

4. Caulerpa corynephora

5. Caulerpa taxifolia

6. Caulerpa macrophysa

7. Class Rhodophyta Acanthophora spicifera

8. Gracilaria clathrata

9. Gracilaria fisheri

10. Seaweeds culture

11. Sea grape, Sea pepper (C. lentilifera) Sea grape, Sea pepper (C. lentilifera)

12. Golden weed (Solieria robusta)

13. Crown of thorn seaweed (Acanthophora spicifera)

14. Growing seaweed in fish pond

15. Growing seaweed in crab pond

16. How seaweed could grow well : Water pumping 15-20% of whole volume every day Water pumping 15-20% of whole volume every day Left over of fish/crab feeding every otherday Left over of fish/crab feeding every otherday

17. Water pumping

18. Fish/crab feeding

19. Seawater diagram Re s.1 Fish pond Cr ab po nd Hatch ery SeaSea Res.2

20. Collecting

21. Hanging technique

22. Long-line (hanging method)

23. Golden weed could increase 8 folds of weight within 4 weeks

24. Partial harvesting

25. Weekly harvesting

26. Production (.5-1 ton/rai/month) 6.25 rai = hectare

27. Products are serve for abalone farming/water treatments

28. Seaweds : Others useful Seaweds : Others useful 1.Health drinks & foods 2.Pharmaceuticals & Cosmetics 3.Reduce gas/colloidal in polluted water 4.Hidden substrate for cannibalism aquatic animals (fish, crab, shrimp)

29. Sour seaweed salad

30. Cleaning/Processing

31. Sun dried goldenweed

32. Health seaweed drinks, Role cracker

33. Pringle goldenweed

34. Nutrition facts of seaweeds Nutrition facts of seaweeds Seaweed Protein Fat Calcium Iron C. Racemosa - - 70,300 2,542 S. robusta 3.85 0.26 34,087 1,900 G. spp. 15.66 0.45 11,725 1,105 A. Spicifera 9.86 0.52 11,600 808