JP4734990B2 - 二枚貝成熟卵磨砕物の添加による二枚貝浮遊幼生飼育法 - Google Patents
二枚貝成熟卵磨砕物の添加による二枚貝浮遊幼生飼育法 Download PDFInfo
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- JP4734990B2 JP4734990B2 JP2005090524A JP2005090524A JP4734990B2 JP 4734990 B2 JP4734990 B2 JP 4734990B2 JP 2005090524 A JP2005090524 A JP 2005090524A JP 2005090524 A JP2005090524 A JP 2005090524A JP 4734990 B2 JP4734990 B2 JP 4734990B2
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
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Description
一方、イワガキ、クマサルボウ浮遊幼生での成長停滞や大量斃死が卵黄栄養の吸収終了期に発生すること、卵内の卵黄顆粒が餌料藻類より小型で経口摂取が可能な大きさであること、消化管壁細胞の表面構造から飲細胞作用による取り込みが期待できることが組織学的に確認されている。
本発明の二枚貝成熟卵磨砕物の添加によるイワガキ、クマサルボウなどの二枚貝の浮遊幼生飼育技術はイワガキの場合(図1)、イワガキ卵からの磨砕物によって、クマサルボウの場合(図2)、イワガキ卵、クマサルボウ卵からの磨砕物によって浮遊幼生のD型期から殻頂期への変態率の向上を実現させる。
二枚貝浮遊幼生に対して、二枚貝成熟卵の卵黄顆粒を経口摂取可能な1〜2ミクロンの大きさの形状にした二枚貝成熟卵磨砕物を飼料として餌料藻類と併用して使用し、この二枚貝成熟卵磨砕物を二枚貝浮遊幼生1〜10個/ccの条件に対し、浮遊幼生飼育水中卵黄顆粒数で5,000顆粒/ml以上の密度、好ましくは5,000〜10,000顆粒/mlの密度で、ふ化後所定期間、好ましくはふ化後9〜14日の間添加する。
二枚貝のうちイワガキ・クマサルボウ浮遊幼生の種苗生産数の向上を目的として、両種成熟卵磨砕物の添加効果を調べた。
Claims (2)
- 二枚貝浮遊幼生に対して、二枚貝成熟卵の卵黄顆粒を経口摂取可能な大きさの形状にした二枚貝成熟卵磨砕物を飼料として使用し、この二枚貝成熟卵磨砕物を二枚貝浮遊幼生1〜10個/ccの条件に対し、浮遊幼生飼育水中卵黄顆粒数で5,000顆粒/ml以上の密度で、ふ化後所定期間餌料藻類と併用して添加することを特徴とする二枚貝成熟卵磨砕物の添加による二枚貝浮遊幼生飼育法。
- 二枚貝浮遊幼生に対して、二枚貝成熟卵の卵黄顆粒を経口摂取可能な大きさの形状にした二枚貝成熟卵磨砕物を飼料として使用し、この二枚貝成熟卵磨砕物を二枚貝浮遊幼生1〜10個/ccの条件に対し、浮遊幼生飼育水中卵黄顆粒数で5,000〜10,000顆粒/mlの密度で、ふ化後9〜14日の間、餌料藻類と併用して添加することを特徴とする二枚貝成熟卵磨砕物の添加による二枚貝浮遊幼生飼育法。
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JP2005090524A JP4734990B2 (ja) | 2005-03-28 | 2005-03-28 | 二枚貝成熟卵磨砕物の添加による二枚貝浮遊幼生飼育法 |
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JP2005090524A JP4734990B2 (ja) | 2005-03-28 | 2005-03-28 | 二枚貝成熟卵磨砕物の添加による二枚貝浮遊幼生飼育法 |
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JP2006271209A JP2006271209A (ja) | 2006-10-12 |
JP2006271209A5 JP2006271209A5 (ja) | 2008-03-21 |
JP4734990B2 true JP4734990B2 (ja) | 2011-07-27 |
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Families Citing this family (3)
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JP5165411B2 (ja) * | 2008-02-14 | 2013-03-21 | ヤンマー株式会社 | 二枚貝の浮遊幼生飼育装置 |
WO2009101924A1 (ja) * | 2008-02-14 | 2009-08-20 | Yanmar Co., Ltd. | 二枚貝の浮遊幼生飼育方法およびその制御装置並びに二枚貝の浮遊幼生飼育装置 |
JP6216946B2 (ja) * | 2014-03-10 | 2017-10-25 | 長崎県 | リゾチームを用いた介類浮遊幼生飼育方法 |
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JPH06237706A (ja) * | 1993-02-17 | 1994-08-30 | Minaminihon Rakunou Kyodo Kk | 人工微粒子飼料による二枚貝類稚貝育成方法 |
JPH08140588A (ja) * | 1994-11-17 | 1996-06-04 | Nippon Nousan Kogyo Kk | 二枚貝用飼料および二枚貝の養殖方法 |
JP2002199847A (ja) * | 2000-11-06 | 2002-07-16 | Masato Kino | 魚介類の飼料 |
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