한국수산과학회지 (Korean Journal of Fisheries and Aquatic Sciences)

  • 제46권3호
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  • Pages.282-286
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  • 2013
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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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해상가두리 양식장에서 배합사료 및 생사료 공급에 따른 조피볼락(Sebastes schlegeli)의 성장 및 육질 비교

Evaluation of Commercial Extruded Pellets and Raw Fish-Based Moist Pellets for the Growth and Quality of Korean Rockfish Sebastes schlegeli Cultured in Net-Cages

  • 손맹현 (국립수산과학원 사료연구센터) ;
  • 김경덕 (국립수산과학원 사료연구센터) ;
  • 김강웅 (국립수산과학원 사료연구센터) ;
  • 김신권 (국립수산과학원 사료연구센터) ;
  • 이봉주 (국립수산과학원 사료연구센터) ;
  • 한현섭 (국립수산과학원 사료연구센터)
  • Son, Maeng Hyun (Aquafeed Research Center, National Fisheries Research & Development Institute) ;
  • Kim, Kyoung-Duck (Aquafeed Research Center, National Fisheries Research & Development Institute) ;
  • Kim, Kang-Woong (Aquafeed Research Center, National Fisheries Research & Development Institute) ;
  • Kim, Shin-Kwon (Aquafeed Research Center, National Fisheries Research & Development Institute) ;
  • Lee, Bong-Joo (Aquafeed Research Center, National Fisheries Research & Development Institute) ;
  • Han, Hyon-Sob (Aquafeed Research Center, National Fisheries Research & Development Institute)
  • 투고 : 2013.02.15
  • 심사 : 2013.06.14
  • 발행 : 2013.06.30
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초록

This study was conducted to compare extruded pellets (EP) and soft extruded pellets (SEP) with a raw fish-based moist pellet (MP) diet on the growth and flesh quality of Korean rockfish Sebastes schlegeli. Three groups of 20,000 fish (initial mean weight 133 g) per net-cage ($6{\times}12{\times}7m$) were fed commercial EP, SEP or MP for 16 months. The survival of fish fed SEP was higher than those of fish fed EP or MP. The highest growth performances were observed in the mean weight gain, total weight gain, and feed efficiency of fish fed MP, followed by those fed EP and SEP. Among the fish fed on extruded pellets, the total weight gain of fish fed SEP was higher than that of those fed EP, while fish fed EP grew faster than those fed SEP. No notable differences in body composition, sensory scores or textural properties of the dorsal muscle were observed in fish fed on EP, SEP or MP. Thus, it is suggested that extruded pellets, rather than raw fish-based moist pellets, could be fed to Korean rockfish without compromising flesh quality.

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참고문헌

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