Journal of Aquaculture (한국양식학회지)

The Korean Society of Fisheries and Aquatic Science (한국양식학회)
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Effects of Supplemental Herb Medicines in the Diets on Growth, Feed Utilization and Body Composition of Juvenile and Grower Rockfish Sebastes schlegeli

배합사료에 생약재 첨가가 조피볼락 치어 및 육성어의 성장, 사료 이용성 및 체조성에 미치는 효과

  • Seo, Joo-Young (Faculty of Marine Bioscience and Technology, Kangnung National University) ;
  • Kim, Kyoung-Duck (Aquafeed research Center, National Fisheries Research and Development Institute) ;
  • Lee, Sang-Min (Faculty of Marine Bioscience and Technology, Kangnung National University)
  • 서주영 (강릉대학교 해양생명공학부) ;
  • 김경덕 (국립수산과학원 양식사료연구센터) ;
  • 이상민 (강릉대학교 해양생명공학부)
  • Published : 2009.02.25
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Abstract

This study were conducted to investigate the effects of several additives in experimental diets on the growth, feed utilization and body composition of juvenile and grower rockfish. Three replicates of juveniles (3.6 g/fish) and two replicates growers (166 g/fish) were fed the experimental diets containing herb medicines mixture, Artemisia asiatica and Epimedium koreanum for 8 weeks. Dietary supplementation with herb medicines mixture had no beneficial effects on growth and feed utilization of juvenile fish. Weight gain, daily feed intake, condition factor and hepatosomatic index of grower fish fed the diet were not affected by dietary additive (P>0.05). Peed efficiency and protein efficiency ratio of grower fish fed the diet containing herb medicines mixture were significantly higher than those of fish fed the control diet (P<0.05), but not significantly different from fish fed the diet containing A. asiatica and E. koreanum (P>0.05). Proximate analysis of whole body, muscle, viscera and liver in the juvenile and grower were not affected by dietary additives (P>0.05). The results of this study suggest that feed efficiency and protein efficiency ratio of grower rockfish may improved by herb medicines mixture supplementation in the diet.

배합사료에 생약재 첨가가 치어기 및 육성기 조피볼락의 성장, 사료이용성 및 체조성에 미치는 영향을 조사하기 위하여, 14가지 생약재 혼합물 및 약쑥과 삼지구엽을 혼합 첨가한 배합사료로 치어기(3.6 g) 및 육성기(166 g) 조피볼락을 8주간 사육실험 하였다. 치어의 생존을, 증중량, 사료 효율, 일일사료섭취량, 단백질 효율, 비만도 및 간중량지수는 사료 침가제에 영향을 받지 않았다(P>0.05). 육성어의 증중량, 일일사료섭취량, 비만도 및 간중량지수는 사료 첨가제에 영향을 받지 않았지만 (P>0.05), 사료 효율과 단백질 효율은 생약재 첨가구가 대조구보다 높은 값을 보였다. 사육실험 종료 후, 치어와 육성어의 등 근육, 간, 장 및 전어체의 일반성분 및 지방산은 모든 실험구간에 통계적인 차이가 없었다(P>0.05). 이상의 결과로부터 조피볼락 치어의 성장 및 사료이용효율이 사료 첨가제에 영향을 받지 않았지만, 육성어의 경우에는 생약재 첨가가 사료이용효율을 개선시킬 수 있을 것으로 판단되며, 어류의 성장단계에 따라 그 효능이 달라질 수 있음을 알 수 있다.

Keywords

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