Korean Journal of Fisheries and Aquatic Sciences (한국수산과학회지)

The Korean Society of Fisheries and Aquatic Science (한국수산과학회)
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Evaluation of Experimental Extruded Pellets and Commercial Extruded Pellets for Far Eastern Catfish Silurus asotus

메기(Silurus asotus)용 실험 배합사료와 상품사료의 사육효능 비교

  • Lim, Sang-Gu (Inland Aquaculture Research Center, National Fisheries Research & Development Institute) ;
  • Kim, Kwang-Seog (Inland Aquaculture Research Center, National Fisheries Research & Development Institute) ;
  • Kang, Yong-Jin (Inland Aquaculture Research Center, National Fisheries Research & Development Institute) ;
  • Kim, Eung-Oh (Aquaculture Research Institute, National Fisheries Research & Development Institute) ;
  • Son, Maeng-Hyun (Aquaculture Management Division, National Fisheries Research & Development Institute) ;
  • An, Cheul-Min (Aquafeed Research Center, National Fisheries Research & Development Institute) ;
  • Kim, Kang-Woong (Aquafeed Research Center, National Fisheries Research & Development Institute) ;
  • Cho, Yong-Chul (Busan Marine Fisheries Resources Research Institutee) ;
  • Kim, Kyoung-Duck (Aquafeed Research Center, National Fisheries Research & Development Institute)
  • 임상구 (국립수산과학원 내수면양식연구센터) ;
  • 김광석 (국립수산과학원 내수면양식연구센터) ;
  • 강용진 (국립수산과학원 내수면양식연구센터) ;
  • 김응오 (국립수산과학원 전략양식연구소) ;
  • 손맹현 (국립수산과학원 양식관리과) ;
  • 안철민 (국립수산과학원 사료연구센터) ;
  • 김강웅 (국립수산과학원 사료연구센터) ;
  • 조용철 (부산광역시 수산자원연구소) ;
  • 김경덕 (국립수산과학원 사료연구센터)
  • Received : 2011.10.04
  • Accepted : 2012.03.29
  • Published : 2012.04.30
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Abstract

Two feeding trials were conducted to evaluate the effects of experimental extruded pellets (EEPs) and commercial EPs (CEPs) on Far Eastern catfish $Silurus$ $asotus$ in pilot- (experiment I) and commercial-scale (experiment II) tanks. Four diets were prepared: three EEPs (EEP1, EEP2 and EEP3) that contained different amounts of tuna fish meal, soybean meal, and squid liver oil, and one CEP diet. In experiment I, three replicate groups of juveniles were fed one of the four EPs in pilot-scale tanks for 19 weeks. The weight gains (WGs) of fish fed EEP1 and CEP were significantly higher than those of fish fed EEP2 or EEP3. The highest feed efficiency (FE) was observed in fish fed the CEP diet ($P$<0.05), and the FE of fish fed EEP1 and EEP3 were significantly higher than that with EEP2 ($P$<0.05). In experiment II, juveniles were fed one of four EPs in commercial-scale tanks for 19 weeks. WG and FE values of fish fed EEP1 and CEP were higher than those of fish fed EEP2 and EEP3. The results of this study indicate that the dietary formulation used in EEP1 could be used as a practical feed for Far Eastern catfish.

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References

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