Journal of Fisheries and Marine Sciences Education (수산해양교육연구)

The Korean Society for Fisheries and Marine Sciences Education (한국수산해양교육학회)
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Evaluation of the improving extruded pellet for juvenile olive flounder Paralichthys olivaceus

넙치 치어의 품질향상된 배합사료 개발을 위한 효과시험

  • Received : 2009.09.06
  • Accepted : 2009.11.20
  • Published : 2009.12.31
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Abstract

This study was conducted to evaluate of improving extruded pellet (EP) for growth of juvenile flounder by comparing with raw fish-based moist pellet (MP) diet. Two replicate groups of 80 fish per each tank (initial weight of $36.0{\pm}1.2 g$) were fed one of the three EPs (EP1, EP2 and CEP) and (MP for 16 weeks. Survival was not significantly affected by experimental diets (P>0.05). Weight gain of fish fed the MP was not significantly different from that of fish fed the EP1 & EP2 (P>0.05), but that of fish fed CEP was significantly lower than that of fish fed MP (P<0.05). Specific growth rate of fish fed the CEP was significantly lower than those of fish fed EP1, EP2 and MP (P<0.05). Feed efficiency of fish fed the EP1 was significantly higher than those of fish fed CEP and MP (P<0.05), but not significantly different from those of fish fed EP2 (P>0.05). The Contents of crude protein and crude lipid in whole body were significantly different among all groups (P<0.05). Therefore, these results strongly suggest that EP1 & EP2 diets could be developed to replace MP diet for flounder without adverse effects on growth performance.

Keywords

References

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