JP6924474B2 - 飼育方法 - Google Patents
飼育方法 Download PDFInfo
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- JP6924474B2 JP6924474B2 JP2017036616A JP2017036616A JP6924474B2 JP 6924474 B2 JP6924474 B2 JP 6924474B2 JP 2017036616 A JP2017036616 A JP 2017036616A JP 2017036616 A JP2017036616 A JP 2017036616A JP 6924474 B2 JP6924474 B2 JP 6924474B2
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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
難種苗生産魚種の仔魚に対して紫外線を照射し、浮遊する餌の摂餌行動を促進させることを特徴とする。
難種苗生産魚種の仔魚に対して紫外線を照射することを特徴とする飼育方法であって、
400〜560nmの青・緑色光を一定期間照射することを特徴とする。
各種LED光を照射した8日齢のクエ仔魚にワムシを与えた。結果を表1に示す。表1は、6時間後の仔魚を数尾採取して腸管ワムシ数を計数した結果を示す。紫外線照射区と黄色光照射区で摂餌量の高まることが分かった。
クエ仔魚は、浮袋(鰾(ヒョウ))を開腔するために水表面で空気飲み込み行動を行う。その際に水面の表面張力に捕らわれて死亡する浮上死を引き起こす。そこで、各種LED光を照射した8日齢のクエ仔魚の浮上死率を比較した。結果を表3に示す。
クエ仔魚を200L水槽に収容し、光条件の異なる環境下で10日間飼育した。白色LED光を照射した水槽を対照区とし、同様の白色LEDに紫外線LED光(UV−A,波長315〜399nm)を加えた試験区を2槽ずつ設けて、ワムシ摂餌数と試験終了時の仔魚の全長を測定した。結果を表5に示す。
Claims (2)
- 難種苗生産魚種の仔魚に対して紫外線を照射し、浮遊する餌の摂餌行動を促進させることを特徴とする飼育方法。
- 波長400〜560nmの青・緑色光を一定期間照射することを特徴とする請求項1に記載された飼育方法。
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JP2017036616A JP6924474B2 (ja) | 2017-02-28 | 2017-02-28 | 飼育方法 |
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JP2017036616A JP6924474B2 (ja) | 2017-02-28 | 2017-02-28 | 飼育方法 |
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JP2018139548A JP2018139548A (ja) | 2018-09-13 |
JP6924474B2 true JP6924474B2 (ja) | 2021-08-25 |
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Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
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EP3771047B1 (en) | 2018-03-22 | 2023-03-29 | Alps Alpine Co., Ltd. | Rotary connector |
CN109511582A (zh) * | 2018-11-13 | 2019-03-26 | 潜江市昌贵水产食品股份有限公司 | 一种水产绿色养殖方法 |
CN109496925B (zh) * | 2018-12-24 | 2021-07-09 | 华电云南发电有限公司 | 一种软刺裸裂尻鱼的仔鱼培育方法 |
CN110447575A (zh) * | 2019-09-11 | 2019-11-15 | 大连天正实业有限公司 | 一种基于静水压法的红鳍东方鲀雌核发育诱导方法 |
CN112997925B (zh) * | 2020-07-15 | 2023-03-14 | 中国科学院海洋研究所 | 一种通过调控光环境提高牙鲆鱼苗生长的方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2003047369A (ja) * | 2001-08-02 | 2003-02-18 | Hitoshi Sakairi | 釣り用ルアー |
JP2012065625A (ja) * | 2010-09-27 | 2012-04-05 | Kinki Univ | 魚類仔魚の光波長制御飼育方法 |
PL3079464T3 (pl) * | 2013-12-10 | 2018-01-31 | Philips Lighting Holding Bv | Układ sztucznego oświetlenia dla ryb, oraz sposób dostarczania oświetlenia dla ryb |
JP6548263B2 (ja) * | 2013-12-20 | 2019-07-24 | 国立研究開発法人水産研究・教育機構 | ウナギ仔魚の飼育方法及び装置 |
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