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Title:
ブリ属養殖魚の飼育方法及びブリ属養殖魚
Document Type and Number:
Japanese Patent JP6986652
Kind Code:
B2
Abstract:
To provide a yellowtail cultured fish that is hard to get thinner after the opportune time of a genital organ, and is superior in durability.SOLUTION: A breeding method of yellowtail cultured fishes comprises the steps of: obtaining larvae of the yellowtail fishes by artificially collecting eggs after breeding yellowtail fishes for at least 2-months, under an adjustment breeding environment where at least one of a day length condition and a water temperature condition is adjusted; starting the breeding from the obtained larvae of the yellowtail fishes, and making the yellowtail fishes grow up; obtaining a male individual having GSI of 0.5% or more and 10.0% or less or a female individual having the GSI of 0.5% or more and 4.5% or less in the genital organ opportune time, and obtaining the yellowtail cultured fishes having the obesity index of 18 or more and the weight of 3.5 kg or more in opportune time; and obtaining the yellowtail cultured fishes having the obesity index of 17 or more and the weight of 3.5 kg or more and having the GSI lower than a numerical value at the genital organ opportune time, after the genital organ opportune time from the obtained opportune time yellowtail cultured fishes. The yellowtail cultured fishes obtained by the breeding method are provided.SELECTED DRAWING: None

Inventors:
Ryohei Yamashita
Ota
Teru Morishima
Application Number:
JP2021131906A
Publication Date:
December 22, 2021
Filing Date:
August 13, 2021
Export Citation:
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Assignee:
Nippon Suisan Co., Ltd.
International Classes:
A01K61/95; A01K61/10; A23K10/30; A23K50/80
Domestic Patent References:
JP2007300837A
JP2013188207A
JP2009232864A
Other References:
落合明ほか,産卵期中のブリ生殖腺の成熟と体部粗脂肪の量的変化について,Bulletin of the Japanese Society of Scientific Fisheries,1980年,46(4),407-412,doi: 10.20550/jiesekitanronbun.54.0_36
八木光晴・及川信,生物の体サイズとアロメトリー:エネルギー代謝量と体サイズ,比較生理生化学,2008年,Vol. 25, No. 2,68-72
樋口健太郎,ブリの配偶子形成および産卵に及ぼす制限給餌の影響とその内分泌メカニズムに関する研究,長崎大学博士論文(水産学),2016年
ZUPA, Rozaほか,Comparative Study of Reproductive Development in Wild and Captive-Reared Greater Amberjack Seriola d,PLOS ONE,2017年,journals.plos.org/plosone/article?id=101371/journal.pone.0169645,検索日 2021.01.07
大池数臣ほか,南西水研報,1989年,22,1-11,journals.plos.org/plosone/article?id=101371/journal.pone.0169645
古川新平ほか,Nippon Suisan Gakkaishi,2017年,83(4),703-706
大池一臣,ブリの親魚養成における内分泌学的研究の現状,養殖研ニュース,1986年03月,11,5-7
Attorney, Agent or Firm:
Patent Service Corporation Taiyo International Patent Office