한국수산과학회지 (Korean Journal of Fisheries and Aquatic Sciences)

  • 제42권3호
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  • Pages.262-267
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  • 2009
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  • 0374-8111(pISSN)
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  • 2287-8815(eISSN)
한국수산과학회 (The Korean Society of Fisheries and Aquatic Science)
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사료 공급율 및 공급횟수가 저수온기에 사육된 넙치 미성어의 성장 및 체조성에 미치는 영향

Effects of Feeding Rate and Feeding Frequency on Growth and Body Composition of Sub-adult Flounder Paralichthys olivaceus in Suboptimal Water Temperature

  • 김경덕 (국립수산과학원 양식사료연구센터) ;
  • 남명모 (동해특성화연구센터) ;
  • 김강웅 (국립수산과학원 양식사료연구센터) ;
  • 이해영 (국립수산과학원 양식사료연구센터) ;
  • 허샛별 (국립수산과학원 양식사료연구센터) ;
  • 강용진 (중부내수면연구소) ;
  • 손맹현 (국립수산과학원 양식사료연구센터)
  • 발행 : 2009.06.30
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초록

Two 15-week feeding trials were conducted to investigate feeding rate and feeding frequency for growth of sub-adult flounder in suboptimal water temperature ($12^{\circ}C$). In the first experiment, duplicated groups of fish (initial mean weight of 279 g) were fed a extruded pellet once a day at the different feeding rates of 0.1, 0.15, 0.2, 0.3% body weight per day (BW/d), and satiation (0.32% BW/d). Weight gain and feed efficiency were increased significantly (P<0.05) with increase in feeding rates from 0.1 to 0.3% BW/d, but there were no significant differences in weight gain and feed efficiency of fish fed the diet between 0.3% BW/d and to satiation. Crude protein content of dorsal muscle of fish fed the 0.1% BW/d diet was significantly (P<0.05) lower than that of the other groups. In the second experiment, duplicated groups of fish (initial mean weight of 281 g) were fed to apparent satiation with a extruded pellet at three different feeding frequencies (one meal every two days, one meal a day and two meals a day). Weight gain, feed efficiency and condition factor of fish fed one meal every two days were significantly (P<0.05) lower than those of fish fed one meal and two meals a day, but there were no significant differences in weight gain, feed efficiency and condition factor of fish fed between one meal and two meals a day. Based on the results of this study, optimum feeding frequency is one meal a day with satiation feeding for growth and feed efficiency of sub-adult flounder (270-350 g) in suboptimal water temperature ($12^{\circ}C$).

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피인용 문헌

  1. Comparison of Extruded and Moist Pellets for Growth Performance, Water Quality and Histology of Olive Flounder Paralichthys olivaceus in Jeju Fish Farm vol.26, pp.3, 2014, https://doi.org/10.13000/JFMSE.2014.26.3.667
  2. Optimum Feeding Rate for Sub-adult Olive Flounder (384 g) Paralichthys olivaceus Fed Practical Extruded Pellets at Optimum Water Temperatures (20-24.5℃) vol.47, pp.5, 2014, https://doi.org/10.5657/KFAS.2014.0582
  3. Optimum Feeding Rate for Growing Olive Flounder (317 g) Paralichthys olivaceus Fed Practical Extruded Pellets at Optimum Water Temperature (21-24℃) vol.47, pp.4, 2014, https://doi.org/10.5657/KFAS.2014.0399
  4. Optimum Feeding Rate for Sub-adult Olive Flounder (370 g) Paralichthys olivaceus Fed Practical Extruded Pellets at Low Water Temperature (12-14℃) vol.47, pp.6, 2014, https://doi.org/10.5657/KFAS.2014.1063
  5. Optimal Feeding Rates of Subadult Korean Rockfish Sebastes schlegeli Fed a Commercial Diet at Different Water Temperatures vol.48, pp.3, 2015, https://doi.org/10.5657/KFAS.2015.0322
  6. Effect of Intermittent Feeding on Growth, Feed Utilization and Body Composition of Subadult Olive Flounder Paralichthys olivaceus in Suboptimal Temperature vol.24, pp.3, 2011, https://doi.org/10.5713/ajas.2011.10359
  7. Effects of Feeding Rate and Pellet Water-Soaking on Growth, Blood Components, and Histology of Olive Flounder Paralichthys olivaceus vol.44, pp.5, 2011, https://doi.org/10.5657/KFAS.2011.0490