S Vasuki, G Kokilam and B Deivasigamani
Marine crustaceans are important source of food in many countries and are known for their economic value. The present study was carried out to assess the biochemical composition of Litopenaeus vannamei cultured under different percentage of alginate supplemental diet. The results showed that protein, carbohydrate and lipid varied significantly between different alginate supplemented diet groups of L. vannamei on 15th and 30th day (P < 0.05). Essential amino acids were represented by arginine, cysteine, histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, tyrosine and valine and non- essential amino acids were alanine, asparagine, aspartic acid, glycine, proline, glutamine and serine. Compared to control, fatty acids (SFA, MUFA and PUFA) and minerals (Ca, Mg, Zn, Fe and P) showed higher content in the tissues of L. vannamei fed with diet supplemented with alginate. Our study showed that the shrimps fed with diet supplemented with alginate had a positive effect on biochemical composition.
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