Korean Journal of Environmental Biology (환경생물)

Korean Society of Environmental Biology (한국환경생물학회)
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The effect of starvation on the characteristics of morphometric measurement and body-sectioned shape in Far Eastern catfish (Silurus asotus)

메기(Silurus asotus) 기아 시 외부형태 및 체 절단면 변화

  • Park, In-Seok (Division of Convergence on Marine Science, Korea Maritime & Ocean University) ;
  • Goo, In Bon (Seojoonbio Inc.) ;
  • Gil, Hyun Woo (National Institute of Fisheries Science, South Sea Fisheries Research Institute)
  • 박인석 (한국해양대학교 해양과학융합학부) ;
  • 구인본 ((주)서준바이오) ;
  • 길현우 (국립수산과학원 남해수산연구소)
  • Received : 2021.01.04
  • Accepted : 2021.03.09
  • Published : 2021.03.31
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Abstract

A 210-day experiment was conducted to examine the effects of starvation on survival, external morphometric traits, and sectioned morphometric traits in Far Eastern catfish(Silurus asotus). The survival rate decreased to 92.2±0.47% in the fed group and to 74.4±2.59% in the starved group. Eight dimensions of Ls, DALPO/Ls, DADOP/Ls, ED/Ls, CH/Ls, BDAA/Ls, BDMA/Ls, and BWAA/Ls showed significant differences (p<0.05), and 16 other dimensions of DALAD/Ls, DPDPL/Ls, HPLAA/Ls, HALAV/Ls, HALOP/Ls, DAUPO/Ls, DADAV/Ls, DADAA/Ls, Max BL/Ls, Man BL/Ls, LD/Ls, HWOP/Ls, DAUF/HL, DAUS/HL, IW/HL, and DAUE/HL were not significantly different among the initial, fed, and starved groups (p>0.05). The fed group showed higher total height (THX), wider width (WX), and larger area (AX) than those of the starved group in each body section. This research provides information on the morphometric traits and body sections of starved Far Eastern catfish. These results can be used as a basic guide to indicate nutritional status and assist in aquaculture methods for Far Eastern catfish. Moreover, the methods used in this study were considered helpful because the survey analysis method can be used to investigate information on the nutritional status of other fish species.

메기(Silurus asotus)를 대상으로 210일간 기아 시 계측형질 및 체 절단면 형질을 측정하여 그 기아 효과를 조사하였다. 실험 종료시 섭이군의 생존율은 92.2±0.47%였으며, 기아군에서는 74.4±2.59%의 생존율을 보였다. Ls, DALPO/Ls, DADOP/Ls, ED/Ls, CH/Ls, BDAA/Ls, BDMA/Ls 및 BWAA/Ls의 8개 항목에서 유의한 차이를 보였으며(p<0.05), 다른 16개 항목 DALAD/Ls, DPDPL/Ls, HPLAA/Ls, HALAV/Ls, HALOP/Ls, DAUPO/Ls, DADAV/Ls, DADAA/Ls, Max BL/Ls, Man BL/Ls, LD/Ls, HWOP/Ls, DAUF/HL, DAUS/HL, IW/HL 및 DAUE/HL에서는 초기군, 섭이군 및 기아군의 세 그룹 간 유의한 차이가 없었다(p>0.05). 섭이군은 각 체 절단면에서 기아군보다 더 높은 전체 높이(THX), 더 넓은 너비(WX) 및 더 넓은 면적(AX)을 보였다. 본 연구는 메기의 기아 상태에 대한 외형 및 체 절단면 형질에 대한 정보를 제공한다. 이는 메기에 대한 먹이 조절에 대한 방법을 보조하고 영양상태를 나타내는 기본 기초자료로 활용될 수 있을 것이다. 또한, 본 연구에서 사용한 조사 분석 방법을 타 어종에서 적용 시 그 영양 상태에 대한 정보를 파악하는 데 유용하게 활용될 수 있을 것으로 사료된다.

Keywords

Acknowledgement

본 논문의 수정 시 건설적이고 도움되는 논평을 주신 익명의 심사자들께 감사드립니다. 아울러 본 논문의 실험 시 수고하신 한국해양대학교 수산유전육종학연구실의 실원들께도 감사드립니다. 본 연구는 교육부의 연구윤리 확보를 위한 지침(학술진흥법 제15조)과 식품의약품 안전처의 실험동물에 관한 법률(법률 제1601호) 기준을 준수하였으며, 아울러 한국해양대학교 연구윤리를 준수하였습니다.

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