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METHOD FOR INCREASING INTRAMUSCULAR LIPID CONTENT IN REARED FISH, AND FEED THEREFOR

Foreign code F150008318
File No. S2013-0775-C0
Posted date Apr 15, 2015
Country WIPO
International application number 2014JP001466
International publication number WO 2014148023
Date of international filing Mar 14, 2014
Date of international publication Sep 25, 2014
Priority data
  • P2013-057976 (Mar 21, 2013) JP
Title METHOD FOR INCREASING INTRAMUSCULAR LIPID CONTENT IN REARED FISH, AND FEED THEREFOR
Abstract The invention addresses the problem of providing farmed fish or caught wild fish which are in a "fatty" state in which the intramuscular lipid content in the fish is increased and the taste and texture are improved when the farmed fish or the caught wild fish are shipped out, and also providing a fish-rearing feed therefor. The problem is solved by: preparing a fish-rearing feed for increasing the intramuscular lipid content in fish, the fish-rearing feed containing the required amount of essential amino acids deemed necessary for fish to grow, the fish-rearing feed being prepared by using essential amino acids other than lysine to satisfy the required amount of amino acids needed for fish growth, and adjusting the amount of lysine, as an essential amino acid, contained in the feed so that the lysine content is at or below the required amount of essential amino acids needed for growth; using the fish-rearing feed, administering the fish-rearing feed for a period of two to seven days before shipment, and rearing the farmed fish during the rearing period before shipment of the farmed fish to increase the intramuscular lipid content of the farmed fish; and providing the farmed fish in a "fatty state."
Scope of claims (In Japanese)[請求項1]
魚種によって生育に必要とされる必須アミノ酸の要求量を含有させた魚類飼育用飼料において、該必須アミノ酸のうち、リジンの飼料中の含有量を、生育に必要なアミノ酸の要求量以下に調整したことを特徴とする魚類筋肉内脂質含量を増加するための魚類飼育用飼料。
[請求項2]
リジンの飼料中の含有量が、該必須アミノ酸の生育に必要とされるアミノ酸の要求量の20~50%に低減されていることを特徴とする請求項1に記載の魚類筋肉内脂質含量を増加するための魚類飼育用飼料。
[請求項3]
魚類飼育用飼料中のリジンの含有量が、飼料当たり0.4~2.2重量%に調整されることを特徴とする請求項1又は2に記載の魚類筋肉内脂質含量を増加するための魚類養殖用飼料。
[請求項4]
魚類飼育用飼料が、養殖魚又は漁獲した天然魚の魚類筋肉内脂質含量を増加するための飼育のための飼料であることを特徴とする請求項1~3のいずれかに記載の魚類筋肉内脂質含量を増加するための魚類飼育用飼料。
[請求項5]
請求項1~3のいずれかに記載の魚類筋肉内脂質含量を増加するための魚類飼育用飼料を用い、養殖魚又は漁獲した天然魚の出荷前の飼育期間において、出荷前の2~7日の期間を該魚類飼育用飼料を投与して飼育することにより、養殖魚又は漁獲した天然魚の筋肉内の脂質含量を増加することを特徴とする飼育魚類の筋肉内脂質含量を増加する方法。
  • Applicant
  • ※All designated countries except for US in the data before July 2012
  • TOKYO UNIVERSITY OF MARINE SCIENCE AND TECHNOLOGY
  • UNIVERSITY OF TOKYO
  • Inventor
  • OHBA MOEMI
  • YOSHINAGA HAZUKI
  • USHIO HIDEKI
  • KANEKO GEN
  • TAKAHASHI SHIN-ICHIRO
  • SATOH SHUICHI
IPC(International Patent Classification)
Specified countries National States: AE AG AL AM AO AT AU AZ BA BB BG BH BN BR BW BY BZ CA CH CL CN CO CR CU CZ DE DK DM DO DZ EC EE EG ES FI GB GD GE GH GM GT HN HR HU ID IL IN IR IS KE KG KN KP KR KZ LA LC LK LR LS LT LU LY MA MD ME MG MK MN MW MX MY MZ NA NG NI NO NZ OM PA PE PG PH PL PT QA RO RS RU RW SA SC SD SE SG SK SL SM ST SV SY TH TJ TM TN TR TT TZ UA UG US UZ VC VN ZA ZM ZW
ARIPO: BW GH GM KE LR LS MW MZ NA RW SD SL SZ TZ UG ZM ZW
EAPO: AM AZ BY KG KZ RU TJ TM
EPO: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
OAPI: BF BJ CF CG CI CM GA GN GQ GW KM ML MR NE SN TD TG

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