Journal of Aquaculture (한국양식학회지)

The Korean Society of Fisheries and Aquatic Science (한국양식학회)
권호 표지

Evaluation of Experimental Extruded Pellet, Commercial Pellet and Raw Fish-based Moist Pellet for Growing Flounder, Paralichthys olivaceus

넙치 육성용 실험 부상사료, 시판 부상사료 및 생사료의 사육효과 비교

  • Lee Sang-Min (Faculty of Marine Bioscience and Technology, Kangnung National University) ;
  • Seo Joo-Young (Faculty of Marine Bioscience and Technology, Kangnung National University) ;
  • Lee Yong-whan (Faculty of Marine Bioscience and Technology, Kangnung National University) ;
  • Kim Kyoung-Duck (Aquafeed Research Center, National Fisheries Research and Development Institute) ;
  • Lee Jong Ha (Finfish Research Institute, National Fisheries Research and Development Institute) ;
  • Jang Hyun-Seok (National Federation of Fisheries Cooperatives, Fisheries Co-op Feeds Co., LTD.)
  • 이상민 (강릉대학교 해양생명공학부) ;
  • 서주영 (강릉대학교 해양생명공학부) ;
  • 이용환 (강릉대학교 해양생명공학부) ;
  • 김경덕 (국립수산과학원 양식사료연구센터) ;
  • 이종하 (국립수산과학원 어류연구센터) ;
  • 장현석 (수협사료)
  • Published : 2005.11.01
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Abstract

An 8-week of growth feeding trial was conducted to evaluate effects of the experimental extruded pellet (EP), commercial EP and raw fish-based moist pellet (MP) for growing flounder (Paralichthys olivaceus). Three replicate groups of the fish average weighing 43.5 g were fed four experimental diets (EP1, EP2, EP3 and EP4), four commercial diets (EP5, EP6, EP7 and EP8) and MP. Weight gain of fish fed the EP2, EP3 and EP4 was the highest among treatments, but not significantly different to that of fish fed the EPl, EP7 and MP. Feed efficiency and protein efficiency ratio of fish fed the MP were the lowest among treatments, but daily feed intake and daily protein intake of fish fed the MP were the highest among treatments. Moisture, lipid and ash contents of whole body were affected by diets, but protein content was not affected by diets. It is concluded that the dietary formulations used in the EP2, EP3 and EP4 can be applied in the practical exuded pellet feeds for growing flounder of 42-108g size.

본 연구는 넙치 육성용으로 실험 부상배합사료와 시판사료 및 생사료의 효능을 비교하기 위해 평균 체중 43.5 g의 넙치를 8주 동안 사육하였다. 실험사료로 4종류의 부상배합사료(EPl-EP4), 시판사료 4종류(EP5-EP8)및 습사료(MP)를 준비하여 1일 3회 만복으로 공급하였다. 사육실험 결과, 생존율은 모든 실험구에서 $85\%$ 이상으로 양호하였으며, 증중률은 EP2-EP4 실험구에서 가장 높은 값을 보였으며, EP6 실험구에서 가장 낮았다. 사료효율과 단백질효율은 MP 실험구에서 가장 낮은 값을 보인 반면, 일일 사료섭취율과 일일 단백질섭취율은 MP 실험구에서 가장 높은 값을 보였다. 어체의 단백질 함량은 실험구간에 유의한 차이가 없었으나, 수분, 지질 및 회분 함량은 사료에 따라 유의한 차이를 보였다. 혈액의 총 단백질은 모든 실험구간에 유의한 차이가 없었으며 , 중성지방은 EP3 실험구에서 높은 값을 보이긴 하였지만, EP7 실험구를 제외한 모든 실험구간에 유의한 차이는 없었다. 이상의 결과들로 보아 평균체중 42 g${\~}$108 g인 넙치의 성장을 위해 EP2-EP4를 공급하여도 좋을 것으로 판단된다.

Keywords

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