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부세(Larimichthys crocea)의 수정란 및 종자생산 연구

A study on the production of fertilized eggs and seedling of Large yellow croaker (Larimichthys crocea)

  • 박충열 (전라남도 해양수산과학원) ;
  • 송지훈 (전라남도 해양수산과학원) ;
  • 황남용 (전라남도 해양수산과학원) ;
  • 양사랑 (전라남도 해양수산과학원) ;
  • 양석우 (전라남도 해양수산과학원) ;
  • 박준택 (전라남도 해양수산과학원)
  • 투고 : 2022.05.20
  • 심사 : 2022.07.04
  • 발행 : 2022.08.31

초록

The experimental fish transplanted from China in 2015 was used after seedling production and cultivated. Breeding management for experiment was carried out from October 2020 to February 2021. Also, it succeeded in inducing artificial maturation three to four months earlier than wild broodstock and secured good quality fertilized eggs. The average size of fertilized eggs was 1.22 mm, at 20℃ Blastodisc (15 minutes post-fertilization), 2 cell (50 minutes), 4 cell (1 hours), 8 cell (2 hours), 16 cell (2 hours and 30 minutes), 32 cell (2 hours and 50 minutes), morula (3 hours), blastula (8 hours), gastrula (15 hours), skull formation (20 hours), organ formation (30 hours) and hatching yolk larvae stage (35 hours). The total length of the just hatched larvae were 2.50 ± 2 mm, and then gain growth of 42.5 mm by 60 days, reaching 45 ± 5 mm.

키워드

과제정보

본 논문은 전라남도 해양수산과학원 서부지부 영광지원의 2014~2021년도 부세 양식 기술개발 연구사업에 의하여 지원되었습니다.

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