Browsing by Author "Zainuddin Bachok"

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    Effects of various microalgae on fatty acid composition and survival rate of the blue swimming crab Portunus pelagicus larvae
    (Indian Journal of Geo-Marine Sciences, 2016) Mhd Taufik; Zainuddin Bachok; Mohamad N. Azra; Mhd Ikhwanuddin
    Present study is to examine effect of various microalgae on Fatty Acid (FA) of Portunus pelagicus larvae. Larvae were subjected to five different treatments; T1, T2, T3, T4 and T5. T1: rotifer and Artemia only; T2: rotifer, Artemia and Chaetoceros sp.; T3: rotifer, Artemia and Chlorella sp.; T4: rotifer, Artemia and Isochrysis sp. and T5: rotifer, Artemia and Nannochloropsis sp. Highest FA component in Zoea 3 was saturated FA group of T2 with concentration 26.06±26.23mg/g. For monounsaturated FA group, highest FA component in Zoea 1 was T5 with concentration 9.88±0.34mg/g. FA component in polyunsaturated FA group in Zoea 4, T4 with concentration 9.33±0.45mg/g was highest. For survival rate, highest survival rate obtained from T4 with 10.21%±0.45. In this study, essential FA requirement in each stage of P. pelagicus larvae can be reveal. Species of microalgae suitable for larvae can be characterized and selected for hatchery purpose.