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능성어(Epinephelus septemfasciatus) 양식장에서의 바이러스성신경괴사증(VNN) 예방대책

Prevention Strategies for Viral Nervous Necrosis (VNN) in Sevenband Grouper Epinephelus septemfasciatus Aquaculture Farms

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주제분류수산학

초록

Viral nervous necrosis (VNN) is a serious disease of sevenband grouper Epinephelus septemfasciatus in Korean aquaculture farms. However, we suggest the following preventative methods for hatcheries: 1) disinfecting rearing water, 2) selecting spawners via ELISA and PCR, 3) selecting eggs via PCR, 4) disinfecting fertilized eggs, and 5) proper facilities management. When these methods are implemented, nervous necrosis virus (NNV)-free fish are produced because vertical and horizontal transmission is prevented. However, horizontal transmission of NNV through rearing seawater sourced from the environment during grow-out stages in sea cages can still occur. Live NNV vaccines with a low rearing temperature or Poly(I:C) immunization are very effective at preventing horizontal transmission of NNV in rearing farms. Furthermore, even after VNN is contracted, fish mortality can be reduced by administering Poly(I:C).

Abstract

Viral nervous necrosis (VNN) is a serious disease of sevenband grouper Epinephelus septemfasciatus in Korean aquaculture farms. However, we suggest the following preventative methods for hatcheries: 1) disinfecting rearing water, 2) selecting spawners via ELISA and PCR, 3) selecting eggs via PCR, 4) disinfecting fertilized eggs, and 5) proper facilities management. When these methods are implemented, nervous necrosis virus (NNV)-free fish are produced because vertical and horizontal transmission is prevented. However, horizontal transmission of NNV through rearing seawater sourced from the environment during grow-out stages in sea cages can still occur. Live NNV vaccines with a low rearing temperature or Poly(I:C) immunization are very effective at preventing horizontal transmission of NNV in rearing farms. Furthermore, even after VNN is contracted, fish mortality can be reduced by administering Poly(I:C).

참고문헌 (39)

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관련 논문AI추천

신경괴사증바이러스(Nervous Necrosis Virus, NNV) 모니터링을 통한 무감염 능성어(Hyporthodus septemfasciatus)친어의 선발김경민, 김시우, 김위식, 서한길, 오명주한국수산과학회 · 한국수산과학회지2017 · 제50권 제5호능성어 양식장에서의 viral nervous necrosis (VNN) 발생양상김위식, 김춘섭, 오명주, Toyohiko Nishizawa수산생명의학회 · 한국어병학회지2012 · 제25권 제2호바리과 어류 3종(능성어 Hyporthodus septemfasciatus, 붉바리 Epinephelus akaara, 자바리 Epinephelus bruneus)에 대한 신경괴사증바이러스(Nervous Necrosis Virus, NNV)의 생백신 처리 효과김시우, 박정준, 오명주, 홍창기수산생명의학회 · 한국어병학회지2021 · 제34권 제1호Development of a Recombinant Protein Vaccine Based on Cell-Free Protein Synthesis for Sevenband Grouper Epinephelus septemfasciatus Against Viral Nervous Necrosis김위식, 김재옥, 김종오, 오명주한국미생물·생명공학회 · Journal of Microbiology and Biotechnology2015 · 제25권 제10호해산어 종묘 생산 시기에 발생하는 바리어스성 신경고사증(VNN) 원인바이러스의 유전학적 비교<한문>, 김석렬, 김영진, 김진도, 정성주, 정태성, 최태진, 오명주<여수대)한국수산과학회 · 한국수산과학회지2002 · 제35권 제3호바이러스성 신경괴사증 미감염 홍민어, Sciaenops ocellatus 의 종묘생산김영진, 김진도, 박성우, 변순규, 오명주, 오봉세, 정성주, 키타무라신이치수산생명의학회 · 한국어병학회지2006 · 제19권 제1호

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