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Use of single cell red alga as feed for Japanese sea cucumber Apostichopus japonicus in closed recirculating system
4th International Conference on Oceanography & Marine Biology
A M Shahabuddin and T Yoshimatsu
Mie University, Japan
ScientificTracks Abstracts: J Marine Sci Res Dev
Abstract
A feeding experiment was conducted to evaluate the effects of single cell red alga Pyropia yezoensis on growth and biochemical composition of Japanese sea cucumber Apostichopus japonicus. The cell wall of alga was broken down by enzymatic treatment. Sea cucumbers were fed formulated diets with 1% (T1), 3% (T2) and 5% (T3) inclusion level of PS in closed recirculating systems. A diet without PS was used as control (T4). The experiment was conducted for 6 weeks in closed recirculating system. Results showed that highest growth was observed in the 5% inclusion level compared to other treatments. Total weight gain, mean weight gain, net yield was significantly higher in 5% inclusion level. Protein efficiency ratio (PER) and body muscle protein gain was also significantly higher in the same treatment (P<0.05). The highest specific growth rate (SGRs), feed conversion efficiency (FCE) (P<0.05) was observed in higher percentage of the single cells diet. Both the growth performance and biochemical analysis showed that exponential growth was observed with increasing the level of single cells in the diet. It can be concluded from the experiment that, enzyme treated red algae can be added as a new, cheaper feed ingredient in the formulated diet of Japanese sea cucumber for commercial aquaculture.Biography
A M Shahabuddin in currently pursuing his PhD at Mie University. He has completed his Master of Science in Aquaculture from Asian Institute of Technology (AIT), Thailand. He has more than 10 years of work experience in the field of aquaculture and nutrition. He is also serving as an Assistant Professor in Sher-e-Bangla Agricultural University (SAU), Bangladesh. He has published more than 10 papers in reputed journals and has been serving as a reviewer of repute.
Email: amsuddin@yahoo.com
