한국수산과학회지 (Korean Journal of Fisheries and Aquatic Sciences)

  • 제44권4호
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  • Pages.359-365
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  • 2011
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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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뱀장어(Anguilla japonica) 적정 사육관리를 위한 양식기술 현황

State of Aquaculture Management for Optimal Rearing of Eel Anguilla japonica

  • 손맹현 (국립수산과학원 양식관리과) ;
  • 김강웅 (국립수산과학원 사료연구센터) ;
  • 김경덕 (국립수산과학원 사료연구센터) ;
  • 김신권 (국립수산과학원 전략연구단)
  • Son, Maeng-Hyun (Aquaculture Management Division, National Fisheries Research & Development Institute) ;
  • Kim, Kang-Woong (Aquafeed Research Center, National Fisheries Research & Development Institute) ;
  • Kim, Kyoung-Duck (Aquafeed Research Center, National Fisheries Research & Development Institute) ;
  • Kim, Shin-Kwon (New Strategy Research Center, National Fisheries Research & Development Institute)
  • 투고 : 2011.05.27
  • 심사 : 2011.07.28
  • 발행 : 2011.08.30
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초록

This study was conducted to investigate the production, elver stocking, rearing facilities and rearing method of eel culture to determine aquaculture management conditions for optimal rearing of eel Anguilla japonica. The production of eel culture was evaluated by the proportion of eels from the main inland fin fish species production in Korea. Elver stocking was assessed by the elver stocking densities of pond and recirculation culture. Rearing facilities were investigated according to the rearing tank size proportion of the pond and recirculation culture. We selected sample farms by region and by size. We visited sample farms and recorded the number of elvers stock for pond area, size of tanks, feed and feed quantity, and the size and number of harvest eels. The production capacity of Jeollanam-do and Jeollabuk-do were 71.9% and 21.3% respectively. This production quantity represented 93.2% of the total Korean eel production quantity. In Jeollanam-do, there are 236 eel farms, 202 pond farms, and 34 recirculation aquaculture facilities. The elvers' first density data by each aquaculture method revealed that elvers' first density varied more in recirculation system farms, as compared to pond aquaculture. In intensive pond farms, the elvers' first density decreased as the size of farm increased. There was a correlation between the size of tank(x) and the facility of a water wheel for dissolved oxygen in pond culture systems(y=0.022x-0.494; $R^2$=0.860). Another strong correlation was found between the weight of eel(x) and eel density(y) in pond culture systems(y=283.5x-0.27; $R^2$=0.992). Finally, there was a strong correlation between the length of eel(x) and the weight of eel(y) in intensive pond culture(y=0.0005x-3.2783; $R^2$=0.9775). The final survival rate did not differ significantly among pond sizes and culture types.

키워드

참고문헌

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피인용 문헌

  1. Effect of Immersion and Oral Vaccination using Formalin-killed Edwardsiella tarda against Eel Anguilla japonica vol.27, pp.3, 2015, https://doi.org/10.13000/JFMSE.2015.27.3.672
  2. Comparison of Major Nutrients in Eels Anguilla japonica Cultured with Different Formula Feeds or at Different Farms vol.16, pp.2, 2013, https://doi.org/10.5657/FAS.2013.0085