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KMID : 0613820000100050436
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Journal of Life Science
2000 Volume.10 No. 5 p.436 ~ p.446
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Effects of Hydrolysates from Aquatic By-Product on Feeding Attraction and Growth of Sea Cultured Fish
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Abstract
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This study was conducted to investigate the effects of different dietary enzymatic hydrolysates using squid and mackerel by-product on feed efficiency, growth and chemical composition in Korean rockfish (Sebastes schlegeli) after a eight weeks feeding experiment. Effects on the weight gain and feed efficiency in the enzymatic hydrolysates added groups were very effective. Weight gain were significantly higher in the squid hydrolysates whole added group than in the other groups. Moisture and crude ash contents of muscle were not significantly affected by hydrolysates supplementation in all groups. Crude protein and lipid contents of muscle were increased after eight weeks feeding trial. Amino acid contents of muscle were higher in squid hydrolysates whole added group than in the other groups. Amino acids were not affected by hydrolysates supplementation in all groups. Fatty acid contents of muscle were increased after eight weeks growth trial. Fatty acids were not significantly different in the dietary groups.
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