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¹ Cukurova University, Faculty of Fisheries, Department of Aquaculture, 01330 Adana, Türkiye
² TSC Shrimp and Fish R&D Company, Milas, Türkiye
³ Kasetsart University, Faculty of Agro-Industry, Department of Biotechnology, Bangkok 10900, Thailand
⁴ Çukurova University, Faculty of Fisheries, Department of Basic Science, 01330, Adana, Türkiye
⁵ Cukurova University, Biotechnology Research and Application Center, 01130, Adana, Türkiye DOI : 10.4194/TRJFAS23912 Viewed : 1047 - Downloaded : 848 The first aim of the present study was to determine appropriate artemia enrichment levels by using Aurantiochytrium mangrovei FIKU008 served as DHA enrichment source and secondly to test the effects of enriched-Artemia on growth and survival during the early larval stages(M1-PL7) of Penaeus semisulcatus. In the 1^st experiment, four different enrichment levels of AUR (0.0,0.6,0.8 and 1.0g/L) against a control commercial solution (S-presso) were tested for 12/24-hours enrichment while in the 2^nd experiment, three levels (0.0, 0.6 and 0.8g/L) of AUR enriched-Artemia were fed to larval stages. At the end of both enrichments, DHA and EPA levels were found to be significantly enhanced by using AUR at 0.6 and 0.8g/L. In the 2^nd experiment, fatty acid composition of the PL was significantly affected by AUR and the PL fed with enriched diets showed higher n-3 LC-PUFA accumulation in their tissues. The larvae grown from M1 to PL7 displayed higher survivals and growth in the enriched AUR-groups compared to the control(0.0AUR). In conclusion, this study has demonstrated that the use of AUR as enrichment significantly elevated EPA and DHA levels to 0.6-0.8g/L enrichment periods and the enriched-Artemia at such levels were proven to effectively improve growth and survival of the early larval stages of P. semisulcatus. Keywords : Aurantiochytrium mangrovei Fatty Acids Thraustochytrids Artemia enrichment