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논문 기본 정보

자료유형
학술저널
저자정보
Dae-Jung KIM (국립수산과학원) Jung-Hyun KIM (국립수산과학원) Hyo-Won KIM (국립수산과학원) Bae-Ik LEE (국립수산과학원) Jeong-In MYEONG (국립수산과학원)
저널정보
한국수산해양교육학회 수산해양교육연구 수산해양교육연구 제31권 제2호(통권 제98호)
발행연도
2019.4
수록면
597 - 605 (9page)
DOI
10.13000/JFMSE.2019.4.31.2.597

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초록· 키워드

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Aquaculture of the commercialized eel, Anguilla japonica, relies heavily on wild-caught glass eel. To assess the potential of producing eel larvae artificially, we observed the flotation, fertilization, hatching, and survival rates of artificially fertilized eggs and hatched larvae from wild female and feminized eels. Body shape changes were observed along with the morphological examination of larvae from 30 days after hatching (dah) to approximately 260 dah. The flotation rates were 97.7% and 92.6%, fertilization rates were 68.7% and 67.6%, and hatching rates were 42.3% and 45.5% in eggs from the wild female and feminized eels, respectively, and the survival rates of hatched larvae at 8 dah were 20% and 22%. Eel larvae from the wild female and feminized eels exhibited similar growth rates and change of body shape until metamorphosis. After 120 dah, the growth rates were better in the eel larvae from the feminized eel than in those from the wild female eel. These results indicate that feminized eels are advantageous for the production of eel larvae and might be practical to be used in the artificial production of eel larvae to facilitate and regularize commercial eel harvesting.

목차

Abstract
Ⅰ. Introduction
Ⅱ. Materials and Methods
Ⅲ. Results
Ⅳ. Discussion
Ⅴ. Conclusions
References

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UCI(KEPA) : I410-ECN-0101-2019-454-000553356