Name: Somkiat PIYATIRATITIVORAKUL Position held: Associate Professor at Department of Marine Science, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand

Education:
B.Sc. (Marine Biology), Chulalongkorn University, 1976
M.Sc. (Marine Biology), Chulalongkorn University, 1979
Ph.D. (Biology), University of South Carolina, 1987

Research Interest: Aquaculture and Shrimp Nutrition

Membership in Professional Societies:
Member of Sigma Xi (The Scientific Research Society,
University of South Carolina.
Member of the Asian Fisheries Society.

Recent Selected Publications:

• Rees, J. F., K. Cure, S. Piyatiratitivorakul, P. Menasveta and P. Sorgeloos, 1994, Highly unsaturated fatty acid requirements of Penaeus monodon postlarvae: an experimental approach based on Artemia enrichment. Aquaculture 122, 193-207.
• Rees, J. F., K. Cure, S. Piyatiratitivorakul, P. Menasveta and P. Sorgeloos, 1994. Osmotic stress resistance as a quality diagnostic for penaeid postlarvae. In: The Third Asian Fisheries Forum, Chou, L.M., Munro, A.D. Lam, T.J., Chen, T.W., Cheong, L.K.K., Ding, J.K., Hooi, K.K. Khoo, H.W., Phang, V.P.E., Shim, K.F. and Tan, C.H. (editors). Asian Fisheries Society, Manila, Philippines, pp 1025-1028.
• Piyatiratitivorakul, S., T. Sapayasant, A. W. Fast and P. Menasveta, 1995. Effect of salinity and prawn size on ovarian maturation of pond-reared Penaeus monodon Fabricius in Thailand. Thai Journal of Aquatic Science 1 (2), 154-166.
• Piyatiratitivorakul, P., S. Piyatiratitivorakul, P. Ditsayaboot and W. Thienwichai, 1996. Effects of steroid sapogenins on growth and molting of the giant freshwater prawn Macrobrachium rosenbergii (de Man). J. Sci.Soc Thailand 22, 227-236.
• Kittakoop, P., S. Piyatiratitivorakul and P. Menasveta, 1996. Detection of metabolic conversions of ascorbate-2-monophosphate and ascorbate-2-sulfate to ascorbic acid in tiger prawn (Penaeus monodon) using high-performance liquid chromatography and colorimetry. Comp. Biochem. Physiol., 113B, 737-743.
• Suwanich, R., S. Piyatiratitivorakul, P. Kittakoop and P. Menasveta, 1996. Effects of highly unsaturated fatty acids and eicosapentaenoic acid to docosahexaenoic acid ratio on growth and survival of black tiger prawn Penaeus monodon postlarvae. Thai Journal of Aquatic Science 2(2), 91-105.
• Vernberg, F. J. and S. Piyatiratitivorakul, 1998. Effects of salinity and temperature on the bioenergetics of adult stages of the grass shrimp (Palaemonetes pugio Holthius) from the North Inlet Estuary, South Carolina. Estuaries 21 (1), 176-193.
• Prapagdee, S. S. Piyatiratitivorakul and A. Petsom, 1998. Acute toxicity of bis-tributyl tin oxide on early stages of giant tiger prawn (Penaeus monodon). Thai J. Aqua. Sci 4(1-2), 40-47.
• Paibulkichakul, C., S. Piyatiratitivorakul, P. Kittakoop, V. Viyakarn, A.W. Fast and P. Menasveta, 1998. Optimal dietary levels of lecithin and cholesterol for black tiger prawn Penaeus monodon larvae and postlarvae. Aquaculture 167, 273-281.
• Darachai, J., S. Piyatiratitivorakul, P. Kittakoop, C. Nitithamyong and P. Menasveta, 1998. Effects of astaxanthin on larval growth and survival of the giant tiger prawn, Penaeus monodon. In: Flegel, T.W. (ed) Advances in shrimp biotechnology. National Center for Genetic Engineering and biotechnology, Bangkok.
• Rengpipat, S., W. Phianphak, S. Piyatiratitivorakul and P. Menasveta, 1998. Effects of a probiotic bacterium on black tiger shrimp Penaeus monodon survival and growth. Aquaculture 167, 301-313.
• Phianphak, W., S. Rengpipat, S. Piyatiratitivorakul and P. Menasveta, 1999. Probiotic use of Lactobacillus spp. for black tiger shrimp, Penaeus monodon. J. Sci. Res. Chula. Univ., 24(1), 42-51.
• Chuntapa, B. S. Piyatiratitivorakul, C. Nitithamyong, V. Viyakarn and P. Menasveta, 1999. Optimal lipid:carbohydrate and protein:energy ratios in semi-purified diets for juvenile black tiger shrimp Penaeus monodon Fabricius. Aquaculture Research 30, 825-830.
• Rengpipat, S., S. Rukpratanporn, S. Piyatiratitivorakul and P. Menasveta, 2000. Immunity enhancement in black tiger shrimp (Penaeus monodon) by a probiont bacterium (Bacillus S11). Aquaculture 191, 271-288.