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Seasonal Changes of Body Composition and Elasticity between Wild and Cultured Brown Croaker, Miichthys miiuy  

Yoon, Ho-Seop (Department of Oceanography, Chonnam National University)
Seo, Dae-Chol (Jeonnam Fisheries Research Institute)
An, Yun-Keun (Aquaculture Program, Fisheries and Ocean Science, Chonnam National University)
Choi, Sang-Duk (Aquaculture Program, Fisheries and Ocean Science, Chonnam National University)
Publication Information
Korean Journal of Environmental Biology / v.24, no.2, 2006 , pp. 179-185 More about this Journal
Abstract
This study investigated the seasonal changes of body composition and elasticity between wild and cultured brown croaker, Miichthys miiuy. The wild fish were analyzed and compared with cultured fish in moisture, crude protein, lipid, ash and many kinds of amino acids. Cultured fish was higher in moisture content and lower in crude lipid and protein content than those of wild one. The wild fish were more abundant in the total amino acid compositions than those of cultured one. As result E/A ratio there was a little significant differences between wild and cultured. In highly unsaturated fatty acid, EPA (Eicosapentaenoic Acid) and DHA (Docosahexaenoic Acid) content of cultured fish were higher than wild one. On the other hand, the gel strength, max weight and hardness of wild fish were higher than cultured one.
Keywords
Miichthys miiuy; body composition; gel strength; max weight; hardness;
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