JP5024970B2 - 摂餌を誘引する白色を有する養魚用飼料 - Google Patents
摂餌を誘引する白色を有する養魚用飼料 Download PDFInfo
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- JP5024970B2 JP5024970B2 JP2009252659A JP2009252659A JP5024970B2 JP 5024970 B2 JP5024970 B2 JP 5024970B2 JP 2009252659 A JP2009252659 A JP 2009252659A JP 2009252659 A JP2009252659 A JP 2009252659A JP 5024970 B2 JP5024970 B2 JP 5024970B2
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- feed
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Description
本発明は、以下の(1)ないし(5)の魚食性の養殖魚用の養魚用配合飼料を要旨とする。
(1)魚食性の養殖魚マグロ類又はブリ類用の配合飼料であって、L*a*b*表色系においてL*が60以上である白色系から選ばれる、魚食性の養殖魚マグロ類又はブリ類に対して摂餌を誘引する色を有する養魚用配合飼料。
(2) 飼料表面の10%以上が上記の摂餌を誘引する色である上記(1)の養魚用配合飼料。
(3) 飼料表面の10%以上をL*a*b*表色系においてL*が60以上になるよう、色素を配合した、あるいは色素で着色した上記(1)または(2)の養魚用配合飼料。
(4) 飼料表面の10%以上をL*a*b*表色系においてL*が60以上になるよう、白色系の色を呈した可食性ケーシングに封入した上記(1)または(2)の養魚用配合飼料。
(5) 飼料表面の10%以上をL*a*b*表色系においてL*が60以上になるよう原料配合をした上記(1)または(2)の養魚用配合飼料。
35m×50mの楕円形で深さ38mの生簀にて蓄養されている魚体重約28kgのホンマグロを試験魚とした。収容尾数を約1500尾とした。
魚体重約31kgの蓄養ホンマグロを試験魚とした。35m×50mの楕円形で深さ38mの生簀を2面用い、収容尾数を各々約1500尾とした。
飼料毎の摂餌率を表5に示した。摂餌率が高いのは青色飼料と白色飼料であった。一般的な飼料と同系統色である茶色飼料では、給餌量の1/3以上が残餌となった。緑色、黄色および赤色飼料では摂餌率が30%程度であり、給餌量の2/3以上が残餌となった。
Claims (5)
- 魚食性の養殖魚マグロ類又はブリ類用の配合飼料であって、L*a*b*表色系においてL*が60以上である白色系から選ばれる、魚食性の養殖魚マグロ類又はブリ類に対して摂餌を誘引する色を有する養魚用配合飼料。
- 飼料表面の10%以上が上記の摂餌を誘引する色である請求項1の養魚用配合飼料。
- 飼料表面の10%以上をL*a*b*表色系においてL*が60以上になるよう、色素を配合した、あるいは色素で着色した請求項1または2の養魚用配合飼料。
- 飼料表面の10%以上をL*a*b*表色系においてL*が60以上になるよう、白色系の色を呈した可食性ケーシングに封入した請求項1または2の養魚用配合飼料。
- 飼料表面の10%以上をL*a*b*表色系においてL*が60以上になるよう原料配合をした請求項1または2の養魚用配合飼料。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2009252659A JP5024970B2 (ja) | 2009-11-04 | 2009-11-04 | 摂餌を誘引する白色を有する養魚用飼料 |
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JP2009252659A JP5024970B2 (ja) | 2009-11-04 | 2009-11-04 | 摂餌を誘引する白色を有する養魚用飼料 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2003284492A Division JP4424724B2 (ja) | 2003-07-31 | 2003-07-31 | 摂餌を誘引する色を有する養魚用飼料 |
Publications (2)
Publication Number | Publication Date |
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JP2010022381A JP2010022381A (ja) | 2010-02-04 |
JP5024970B2 true JP5024970B2 (ja) | 2012-09-12 |
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JP2009252659A Expired - Fee Related JP5024970B2 (ja) | 2009-11-04 | 2009-11-04 | 摂餌を誘引する白色を有する養魚用飼料 |
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JP (1) | JP5024970B2 (ja) |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0440861A (ja) * | 1990-06-06 | 1992-02-12 | Nippon Haigou Shiryo Kk | カラギーナンケーシングを用いた養魚用人工飼料及びその製造方法 |
JP2003033127A (ja) * | 2001-05-17 | 2003-02-04 | San Rental:Kk | 釣り餌 |
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