JP2004057156A - Feed for pisciculture - Google Patents

Feed for pisciculture Download PDF

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Publication number
JP2004057156A
JP2004057156A JP2002223825A JP2002223825A JP2004057156A JP 2004057156 A JP2004057156 A JP 2004057156A JP 2002223825 A JP2002223825 A JP 2002223825A JP 2002223825 A JP2002223825 A JP 2002223825A JP 2004057156 A JP2004057156 A JP 2004057156A
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JP
Japan
Prior art keywords
fish
feed
meal
fish meal
taurine
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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JP2002223825A
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Japanese (ja)
Inventor
Junichi Maekawa
Masashi Maita
Shinichi Matsuda
Koichi Sato
Shuichi Sato
佐藤 公一
佐藤 秀一
前川 淳一
松田 晋一
舞田 正志
Original Assignee
Itochu Shiryo Kk
伊藤忠飼料株式会社
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Application filed by Itochu Shiryo Kk, 伊藤忠飼料株式会社 filed Critical Itochu Shiryo Kk
Priority to JP2002223825A priority Critical patent/JP2004057156A/en
Publication of JP2004057156A publication Critical patent/JP2004057156A/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/80Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
    • Y02P60/87Re-use of by-products of food processing for fodder production

Abstract

<P>PROBLEM TO BE SOLVED: To provide feed for pisciculture formulated with a fish powder alternative material instead of fish powder and preventing lowering of anti-disease property of fish, to provide a pisciculture method using the feed for pisciculture, to provide an additive for feed for preparing the feed for pisciculture and to provide a method for preventing lowering of anti-disease property of fish when raising the fish using the feed for pisciculture formulated with the fish powder alternative material instead of fish powder. <P>SOLUTION: The feed for pisciculture formulated with the fish powder alternative material instead of fish powder comprises formulating taurine and cholesterol therewith. <P>COPYRIGHT: (C)2004,JPO

Description

【0001】
【発明の属する技術分野】
本発明は、魚類の抗病性の低下を防止できる養魚用飼料、該養魚用飼料を調製するための飼料用添加剤、及び該養魚用飼料を用いた養魚方法に関する。また、本発明は、魚類の抗病性低下防止方法に関する。
【0002】
【従来の技術】
魚類の養殖において、以前は、マイワシ等の生餌が主に用いられてきたが、近年、生餌となる魚の漁獲量が減少しているため、モイストペレットやドライペレットが用いられるようになってきた。これらのペレット類には、魚粉が含まれているが、魚粉の原料となる魚の漁獲量が不安定であるため、魚粉に代わる魚粉代替原料の開発が望まれている。
【0003】
魚粉は主としてタンパク質供給源として飼料に配合されるため、魚粉に代わる魚粉代替原料としては、大豆粕、コーングルテンミール等の植物性タンパク質や、フェザーミール等の動物性タンパク質が用いられているが、これらの魚粉代替原料を配合した飼料を用いた場合には、(i)魚類の摂餌量が低下して成長不良となる、(ii)緑肝症が発生する、(iii)抗病性が低下して魚病に罹りやすくなる、といった問題点が生じる。
そこで、これらの問題点を解決するために種々の試みがなされており、その結果、無魚粉飼料又は低魚粉飼料にタウリンを配合することによって、上記(i)及び(ii)の問題点が改善されることが報告されている(例えば、特開2001−120190号公報)。しかしながら、無魚粉飼料又は低魚粉飼料へのタウリンの配合によってもなお、上記(iii)の問題点、すなわち、抗病性の低下は解決されていない。
【0004】
【発明が解決しようとする課題】
そこで、本発明は、第一に、魚粉の代わりに魚粉代替原料を配合した養魚用飼料であって、魚類の抗病性の低下を防止できる養魚用飼料、及び該養魚用飼料を用いた養魚方法を提供することを目的とする。
また、本発明は、第二に、上記養魚用飼料を調製するための飼料用添加剤を提供することを目的とする。
さらに、本発明は、第三に、魚粉の代わりに魚粉代替原料を配合した養魚用飼料を用いて魚類を飼育する際、該魚類の抗病性の低下を防止できる魚類の抗病性低下防止方法を提供することを目的とする。
【0005】
【課題を解決するための手段】
上記目的を達成するために、本発明は、以下の養魚用飼料、飼料用添加物、養魚方法及び抗病性低下防止方法を提供する。
(1)魚粉の代わりに魚粉代替原料を配合した養魚用飼料であって、タウリン及びコレステロールを配合したことを特徴とする前記養魚用飼料。
(2)無魚粉飼料又は低魚粉飼料であることを特徴とする前記(1)記載の養魚用飼料。
(3)前記魚粉代替原料が、タンパク質供給源であることを特徴とする前記(1)又は(2)記載の養魚用飼料。
(4)前記(1)〜(3)のいずれかに記載の養魚用飼料を調製するための飼料用添加剤であって、タウリン及びコレステロールを有効成分として含有することを特徴とする前記飼料用添加剤。
(5)前記(1)〜(3)のいずれかに記載の養魚用飼料を用いることを特徴とする養魚方法。
(6)魚粉の代わりに魚粉代替原料を配合した養魚用飼料を用いて飼育する魚類に、タウリン及びコレステロールを与えることを特徴とする前記魚類の抗病性低下防止方法。
【0006】
【発明の実施の形態】
以下、本発明について詳細に説明する。
本発明の養魚用飼料は、魚粉の代わりに魚粉代替原料を配合した養魚用飼料である。ここで、「魚粉の代わりに魚粉代替原料を配合した」には、養魚用飼料に配合されるべき魚粉の全部の代わりに魚粉代替原料を配合した場合(すなわち、魚粉が含まれていない場合)の他、養魚用飼料に配合されるべき魚粉の一部の代わりに魚粉代替原料を配合した場合(すなわち、魚粉が含まれている場合)も含まれる。また、「養魚用飼料に配合されるべき魚粉」とは、抗病性の低下を招かない配合量の魚粉を意味し、そのような魚粉の配合量は養魚の成長段階(例えば、稚魚期、成魚期)によって適宜調整できるが、魚粉の配合量の下限値は、通常30重量%であり、好ましくは40重量%である。また、魚粉の配合量の上限値は、通常60重量%であり、好ましくは50重量%である。
【0007】
養魚にあたり、魚粉の代わりに魚粉代替原料を配合した養魚用飼料を用いる場合には、養魚用飼料に配合されるべき魚粉の一部又は全部が配合されていない結果、魚類の抗病性が低下して魚病に罹りやすくなる。魚類の抗病性の低下は、養魚用飼料が無魚粉飼料又は低魚粉飼料である場合に特に起こりやすくなる。ここで、「無魚粉飼料」とは、魚粉が全く配合されていない飼料を意味し、「低魚粉飼料」とは、魚粉の配合量が20重量%以下、特に10重量%以下である飼料を意味する。
【0008】
抗病性の低下を防止するために、本発明の養魚用飼料においては、魚粉の代わりに魚粉代替原料を配合した養魚用飼料に、タウリン及びコレステロールが配合してあり、これによって魚類の抗病性の低下を防止できる。なお、この効果は、後述する実施例で示されるように、タウリン及びコレステロールの相乗的作用によって発揮される。
【0009】
本発明の養魚用飼料におけるタウリンの配合量の下限値は、通常0.8重量%であり、好ましくは1重量%である。本発明の養魚用飼料におけるタウリンの配合量の上限値は適宜設定できる。本発明の養魚用飼料におけるコレステロールの配合量の下限値は適宜設定できるが、通常0.3重量%である。本発明の養魚用飼料におけるコレステロールの配合量の上限値は、通常1重量%であり、好ましくは0.5重量%である。
【0010】
本発明の養魚用飼料に配合するタウリン及びコレステロールは、動物又は植物の細胞・組織から抽出したものであってもよいし、化学合成したものであってもよい。タウリン及びコレステロールとしては、動物又は植物から得られる抽出物を未精製のまま配合してもよいし、精製してから配合してもよい。例えば、タウリン供給源として胆汁末、イカ内臓ミール等を配合することができ、コレステロール供給源として未精製魚油、イカ抽出油、エッグパウダー等を配合することができる。
【0011】
魚粉の代わりに配合される魚粉代替原料としては、魚粉に含まれる栄養素を補うことができる原料が用いられる。魚粉は主としてタンパク質供給源として配合されるので、魚粉代替原料としては、タンパク質供給源となり得る原料、例えば、濃縮大豆タンパク質、コーングルテンミール、大豆粕、飼料用酵母、チキンミール等が挙げられる。
【0012】
本発明の養魚用飼料の飼料原料には、魚粉代替原料、タウリン及びコレステロールの他、炭水化物、脂肪、タンパク質、無機質(例えば、カルシウム、マグネシウム、ナトリウム、リン等)、ビタミン(例えば、ビタミンA、B1、B2、D)等の各種栄養素の供給源が配合される。
【0013】
各種栄養素の供給源として配合し得る原料としては、例えば、トウモロコシ、小麦、大麦、マイロ等の穀類;大豆油粕、ナタネ油粕、ヤシ油粕、アマニ油粕等の植物性油粕類;フスマ、麦糠、米糠、脱脂米糠等の糠類;コーングルテンミール、コーンジャムミール等の製造粕類;トルラ酵母、ビール酵母等の酵母類;第三リン酸カルシウム、炭酸カルシウム等の鉱物質飼料;油脂類;単体アミノ酸;糖類等が挙げられる。
【0014】
タウリン及びコレステロールは、本発明の養魚用飼料を調製するための飼料用添加剤として有用であり、タウリン及びコレステロールを、本発明の養魚用飼料を調製するための飼料用添加剤の有効成分として用いることができる。
【0015】
養魚にあたり、本発明の養魚用飼料を用いれば、魚類の抗病性を低下させることなく養魚できる。また、養魚にあたり、魚粉の代わりに魚粉代替原料を配合した養魚用飼料を用いて飼育する魚類に、タウリン及びコレステロールを与えることにより、魚類の抗病性の低下を防止できる。
【0016】
本発明の対象となる魚類の種類は特に限定されるものではなく、その具体例としては、コイ、ウナギ、アユ、ニジマス、ドジョウ、キンギョ、ティラピア、ヒラメ、キャットフィッシュ等の淡水魚、ハマチ、カンパチ、マダイ、クロダイ、フグ、アジ、シマアジ、ギンザケ、マス、ヒラメ、クロマグロ、アイゴ、チダイ、イシダイ等の海水魚が挙げられる。
【0017】
【実施例】
〔実施例1〕
各試験区において、ブリ稚魚(平均体重200g)に所定の飼料を与えて飼育した。飼育条件は、次の通りである。
・飼育場所:大分県海洋水産研究センターに設置した海面小割生簀(3m×3m×3m)
・収容尾数:200尾/1生簀
・飼育時の平均水温:24.4℃
・給餌方法:1回/1日、飽食給餌
【0018】
各試験区で給餌した飼料は、魚粉飼料(1区)、無魚粉飼料(2区)、無魚粉飼料+コレステロール(3区)、無魚粉飼料+タウリン(4区)、無魚粉飼料+コレステロール+タウリン(5区)であり、各飼料の組成は表1に示す通りである。なお、表1中、「%」は重量%を意味し、「アミノ酸ミックス」は、リジン1.5重量、メチオニン0.5重量%、スレオニン0.5重量%、トリプトファン0.2重量%を含有し、「アトラクタント」は、プロリン0.14重量%、アラニン0.09重量%、5’−IMP0.17重量%を含有する。
【0019】
【表1】
【0020】
各試験区で給餌した飼料における成分分析結果を表2に示す。
表2に示すように、各試験区で給餌した飼料における粗蛋白質及び粗脂肪の含有量はほぼ同量であった。コレステロール含有量は、無魚粉飼料(2区)、無魚粉飼料+タウリン(4区)が魚粉飼料(1区)よりも少なく、無魚粉飼料+コレステロール(3区)、無魚粉飼料+コレステロール+タウリン(5区)が魚粉飼料(1区)よりも多かった。タウリン含有量は、無魚粉飼料(2区)、無魚粉飼料+コレステロール(3区)が魚粉飼料(1区)よりも少なく、無魚粉飼料+タウリン(4区)、無魚粉飼料+コレステロール+タウリン(5区)が魚粉飼料(1区)よりも多かった。
【0021】
【表2】
【0022】
各試験区における飼育経過を表3に示す。なお、死亡は、類結節症による。
表3に示すように、いずれの試験区においても同程度の飼育結果が得られた。
【0023】
【表3】
【0024】
給餌開始30日後、各試験区から32尾を任意に選択し、ピットタグで個体識別を施した後、Lactococcus garvieae OT011732株の菌液(1.2×10 CFU/mL)に15分間浸漬した。なお、実験時の平均水温は24.7℃であった。
菌液への浸漬後、試験区ごとに16尾ずつ、2つの水槽に分けて飼育し、各試験区における死亡数(尾)及び生存率(%)を調べた。なお、0日目の死亡は、Lactococcus garvieae OT011732株の感染が原因ではないと考えられるので、各試験区における生存率は、32尾から0日目の死亡数を引いた尾数に対する生存数の割合として求めた。
各試験区における死亡数(尾)を表4に示し、各試験区における生存率(%)を図1に示す。
【0025】
【表4】
【0026】
表4及び図1に示すように、無魚粉飼料(2区)、無魚粉飼料+コレステロール(3区)、無魚粉飼料+タウリン(4区)では、魚粉飼料(1区)よりも生存率が顕著に低かったが、無魚粉飼料+コレステロール+タウリン(5区)では、魚粉飼料(1区)と同程度の生存率であった。
この結果から、コレステロール及びタウリンをそれぞれ単独で無魚粉飼料に配合しても魚類の抗病性の低下を防止できないが、コレステロール及びタウリンの両者を無魚粉飼料に配合することにより、コレステロール及びタウリンが相乗的に作用して、魚類の抗病性の低下を防止できることが判明した。
【0027】
【発明の効果】
本発明によれば、魚粉の代わりに魚粉代替原料を配合した養魚用飼料であって、魚類の抗病性の低下を防止できる養魚用飼料、該養魚用飼料を用いた養魚方法、及び該養魚用飼料を調製するための飼料用添加剤が提供される。また、本発明によれば、魚粉の代わりに魚粉代替原料を配合した養魚用飼料を用いて魚類を飼育する際に、該魚類の抗病性の低下を防止できる魚類の抗病性低下防止方法が提供される。
【図面の簡単な説明】
【図1】Lactococcus garvieae OT011732株の菌液(1.2×10 CFU/mL)に15分間浸漬した後、再度、各試験区に戻して飼育したときの、各試験区における生存率(%)を示す図である。
[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a feed for fish farming capable of preventing a decrease in the disease resistance of fish, a feed additive for preparing the feed for fish farming, and a fish farming method using the feed for fish farming. The present invention also relates to a method for preventing a decrease in disease resistance of fish.
[0002]
[Prior art]
In the past, in the cultivation of fish, raw food such as sardines has been mainly used, but in recent years, the amount of fish used as raw food has been reduced, and moist pellets and dry pellets have been used. Was. Although these pellets contain fish meal, the fish catch as a raw material of the fish meal is not stable. Therefore, it is desired to develop a fish meal alternative material instead of the fish meal.
[0003]
Since fish meal is mainly blended into feed as a protein supply source, soybean meal, vegetable proteins such as corn gluten meal, and animal proteins such as feather meal are used as fish meal substitute raw materials instead of fish meal. When feeds containing these fish meal substitute materials are used, (i) the feed intake of fish is reduced to cause poor growth, (ii) green liver disease occurs, and (iii) anti-disease property is obtained. There is a problem that it is susceptible to fish disease.
Therefore, various attempts have been made to solve these problems. As a result, the above problems (i) and (ii) have been improved by adding taurine to a fish-free feed or a low-fish feed. Is reported (for example, JP-A-2001-120190). However, the above-mentioned problem (iii), that is, a decrease in disease resistance, has not yet been solved by the incorporation of taurine into a fish-free or low-fish meal feed.
[0004]
[Problems to be solved by the invention]
Therefore, the present invention firstly provides a feed for fish farming in which a fish meal substitute raw material is blended in place of fish meal, wherein the feed for fish farming can prevent a decrease in the disease resistance of fish, and a fish farm feed using the feed for fish farming. The aim is to provide a method.
A second object of the present invention is to provide a feed additive for preparing the fish feed.
Furthermore, the present invention is, thirdly, when breeding fish using a fish farming feed in which fish meal substitute raw materials are blended in place of fish meal, it is possible to prevent a decrease in the disease resistance of the fish, which can prevent the decrease in the disease resistance of the fish. The aim is to provide a method.
[0005]
[Means for Solving the Problems]
In order to achieve the above object, the present invention provides the following feeds for fish farming, feed additives, fish farming methods, and methods for preventing reduction in disease resistance.
(1) A feed for fish farming, in which fish meal substitute raw materials are blended in place of fish meal, wherein taurine and cholesterol are blended.
(2) The fish feed according to (1), which is a fish-free feed or a low fish feed.
(3) The fish feed according to (1) or (2), wherein the fish meal substitute material is a protein source.
(4) A feed additive for preparing the fish feed according to any of (1) to (3), wherein the feed additive comprises taurine and cholesterol as active ingredients. Additive.
(5) A fish farming method characterized by using the fish farm feed according to any one of the above (1) to (3).
(6) A method for preventing a decrease in the disease resistance of fish, wherein taurine and cholesterol are given to fish raised using a feed for fish farming in which a fish meal substitute raw material is mixed instead of fish meal.
[0006]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, the present invention will be described in detail.
The feed for fish farming of the present invention is a feed for fish farming in which a raw material for replacing fish meal is blended instead of fish meal. Here, "mixed fishmeal substitute material instead of fishmeal" means that the fishmeal substitute material is used instead of all of the fishmeal to be incorporated in the fish feed (that is, the fishmeal is not contained). In addition, a case where a fish meal substitute raw material is added instead of a part of the fish meal to be added to the fish feed (that is, a case where fish meal is contained) is also included. The term "fish meal to be incorporated into fish feed" means fish meal of a blending amount that does not cause a decrease in disease resistance, and the blending amount of such fish meal is determined at the growth stage of fish farming (for example, fry season, Although it can be appropriately adjusted depending on the adult period), the lower limit of the amount of fish meal is usually 30% by weight, preferably 40% by weight. The upper limit of the amount of fish meal is usually 60% by weight, and preferably 50% by weight.
[0007]
In the case of fish farming, when using a fish farm feed that contains a fish meal alternative material instead of fish meal, some or all of the fish meal that should be blended in the fish farm feed is not blended, resulting in a decrease in fish disease resistance. Susceptible to fish disease. The decrease in fish disease resistance is particularly likely to occur when the fish feed is a non-fish meal feed or a low fish meal feed. Here, “fish-free feed” means a feed in which no fish meal is added, and “low fish meal feed” means a feed in which the amount of fish meal is 20% by weight or less, particularly 10% by weight or less. means.
[0008]
In order to prevent a decrease in disease resistance, in the fish feed for fish of the present invention, taurine and cholesterol are added to a fish feed containing a fish meal substitute material instead of fish meal, whereby the fish disease resistance is reduced. Can be prevented from decreasing. This effect is exerted by the synergistic action of taurine and cholesterol, as shown in the examples described later.
[0009]
The lower limit of the amount of taurine in the feed for fish culture of the present invention is usually 0.8% by weight, and preferably 1% by weight. The upper limit of the amount of taurine in the fish feed of the present invention can be appropriately set. The lower limit of the amount of cholesterol in the fish feed of the present invention can be appropriately set, but is usually 0.3% by weight. The upper limit of the cholesterol content in the fish feed of the present invention is usually 1% by weight, and preferably 0.5% by weight.
[0010]
The taurine and cholesterol contained in the feed for fish culture of the present invention may be extracted from animal or plant cells or tissues, or may be chemically synthesized. As taurine and cholesterol, an extract obtained from an animal or a plant may be blended without purification, or may be blended after purification. For example, bile powder, squid offal meal and the like can be blended as a taurine supply source, and unpurified fish oil, squid extract oil, egg powder and the like can be blended as a cholesterol supply source.
[0011]
As a raw material for replacing fish meal to be used instead of fish meal, a raw material that can supplement nutrients contained in fish meal is used. Since fish meal is mainly blended as a protein source, examples of fish meal substitutes include raw materials that can be a protein source, such as concentrated soy protein, corn gluten meal, soybean meal, feed yeast, chicken meal, and the like.
[0012]
The feed material of the feed for fish farming of the present invention includes, in addition to fish meal substitute materials, taurine and cholesterol, carbohydrates, fats, proteins, minerals (eg, calcium, magnesium, sodium, phosphorus, etc.), vitamins (eg, vitamin A, B1) , B2, D) and other sources of nutrients.
[0013]
Raw materials that can be blended as a source of various nutrients include, for example, cereals such as corn, wheat, barley, and milo; vegetable oil cakes such as soybean oil cake, rapeseed oil cake, coconut oil cake, and linseed oil cake; bran, wheat bran, rice bran , Defatted rice bran, and other bran; corn gluten meal, corn jam meal, and other manufactured lees; yeast, such as tolula yeast and beer yeast; mineral feed, such as tricalcium phosphate and calcium carbonate; oils and fats; And the like.
[0014]
Taurine and cholesterol are useful as feed additives for preparing the fish feed of the present invention, and taurine and cholesterol are used as active ingredients of the feed additives for preparing the fish feed of the present invention. be able to.
[0015]
When using the feed for fish farming of the present invention in fish farming, fish farming can be performed without reducing the disease resistance of fish. Further, in the case of fish farming, by giving taurine and cholesterol to fish bred using a fish farm feed in which a fish meal substitute raw material is blended instead of fish meal, it is possible to prevent a decrease in fish disease resistance.
[0016]
The types of fish targeted by the present invention are not particularly limited, and specific examples thereof include carp, eel, ayu, rainbow trout, loach, goldfish, tilapia, flounder, freshwater fish such as catfish, hamachi, amberjack, Seawater fish such as red sea bream, black sea bream, puffer fish, horse mackerel, blue horse mackerel, coho salmon, trout, flounder, bluefin tuna, aigo, sea bream, sea bream and the like.
[0017]
【Example】
[Example 1]
In each of the test plots, juvenile yellowtail (average body weight: 200 g) was fed with a predetermined feed and raised. Rearing conditions are as follows.
-Breeding place: Sea surface small crawler (3m x 3m x 3m) installed at Oita Marine and Fisheries Research Center
・ Number of accommodated tails: 200 / one cage ・ Average water temperature during rearing: 24.4 ° C
-Feeding method: once a day, satiety feeding [0018]
The feed fed in each test section was fish meal feed (section 1), fish meal free feed (section 2), fish meal feed + cholesterol (section 3), fish meal feed + taurine (section 4), fish meal feed + cholesterol + Taurine (section 5), and the composition of each feed is as shown in Table 1. In Table 1, "%" means% by weight, and "Amino Acid Mix" contains 1.5% by weight of lysine, 0.5% by weight of methionine, 0.5% by weight of threonine, and 0.2% by weight of tryptophan. "Attractant" contains 0.14% by weight of proline, 0.09% by weight of alanine, and 0.17% by weight of 5'-IMP.
[0019]
[Table 1]
[0020]
Table 2 shows the results of component analysis of the feed fed in each test plot.
As shown in Table 2, the content of crude protein and crude fat in the feed fed in each test group was almost the same. Cholesterol content is lower in fish meal free (section 2), fish meal free + taurine (section 4) than fish meal feed (section 1), fish meal free + cholesterol (section 3), fish meal free + cholesterol + taurine. (Section 5) had more than fish meal feed (section 1). The content of taurine was as follows: fish-free feed (section 2), fish-free feed + cholesterol (section 3) was lower than fish meal feed (section 1), fish-free feed + taurine (section 4), fish-free feed + cholesterol + taurine. (Section 5) had more than fish meal feed (section 1).
[0021]
[Table 2]
[0022]
Table 3 shows the breeding process in each test plot. The death is due to syringoid disease.
As shown in Table 3, the same breeding results were obtained in all the test plots.
[0023]
[Table 3]
[0024]
Thirty days after the start of feeding, 32 fish were arbitrarily selected from each of the test plots, and individual identification was performed using a pit tag, followed by immersion in a bacterial solution of Lactococcus garvieae OT011732 (1.2 × 10 5 CFU / mL) for 15 minutes. The average water temperature during the experiment was 24.7 ° C.
After immersion in the bacterial solution, the animals were reared in two aquariums, 16 fish per test plot, and the number of deaths (tail) and the survival rate (%) in each test plot were examined. Since the death on the 0th day is not considered to be caused by infection with the Lactococcus garvieae OT011732 strain, the survival rate in each test group was calculated as the ratio of the number of survivors to the number of survivors obtained by subtracting the number of deaths on day 0 from 32. Asked.
Table 4 shows the number of deaths (tails) in each test group, and FIG. 1 shows the survival rate (%) in each test group.
[0025]
[Table 4]
[0026]
As shown in Table 4 and FIG. 1, the survival rates of the fish meal-free feed (section 2), the fish meal-free feed + cholesterol (section 3), and the fish-free feed + taurine (section 4) were higher than those of the fish meal feed (section 1). Although remarkably low, the survival rate of the fish meal-free diet + cholesterol + taurine (section 5) was almost the same as that of the fish meal diet (section 1).
From this result, although cholesterol and taurine alone cannot be prevented from lowering the disease resistance of fish even when blended in fish-free feed alone, cholesterol and taurine can be reduced by blending both cholesterol and taurine in fish-free feed. It has been found that by acting synergistically, a reduction in the disease resistance of fish can be prevented.
[0027]
【The invention's effect】
ADVANTAGE OF THE INVENTION According to this invention, it is the feed for fish farming which mixed fish meal substitute raw material instead of fish meal, the feed for fish farming which can prevent the fall of the disease resistance of fish, the fish farming method using the feed for fish farming, and the fish farming A feed additive for preparing a feed for feed is provided. Further, according to the present invention, when breeding fish using a feed for fish farming in which a fishmeal substitute material is blended in place of fishmeal, a method for preventing a decrease in the disease resistance of fish can be prevented. Is provided.
[Brief description of the drawings]
FIG. 1 shows the survival rate (%) in each test plot when immersed in a bacterial solution of Lactococcus garvieae OT011732 strain (1.2 × 10 5 CFU / mL) for 15 minutes and then returned to each test plot and reared. FIG.

Claims (6)

  1. 魚粉の代わりに魚粉代替原料を配合した養魚用飼料であって、タウリン及びコレステロールを配合したことを特徴とする前記養魚用飼料。What is claimed is: 1. A feed for fish farming, in which fish meal substitute raw materials are blended in place of fish meal, wherein taurine and cholesterol are blended.
  2. 無魚粉飼料又は低魚粉飼料であることを特徴とする請求項1記載の養魚用飼料。The feed for fish farming according to claim 1, wherein the feed is a non-fish meal feed or a low fish meal feed.
  3. 前記魚粉代替原料が、タンパク質供給源であることを特徴とする請求項1又は2記載の養魚用飼料。The fish feed according to claim 1 or 2, wherein the fish meal substitute material is a protein source.
  4. 請求項1〜3のいずれかに記載の養魚用飼料を調製するための飼料用添加剤であって、タウリン及びコレステロールを有効成分として含有することを特徴とする前記飼料用添加剤。A feed additive for preparing the fish feed according to any one of claims 1 to 3, wherein the feed additive comprises taurine and cholesterol as active ingredients.
  5. 請求項1〜3のいずれかに記載の養魚用飼料を用いることを特徴とする養魚方法。A fish farming method using the fish farm feed according to any one of claims 1 to 3.
  6. 魚粉の代わりに魚粉代替原料を配合した養魚用飼料を用いて飼育する魚類に、タウリン及びコレステロールを与えることを特徴とする前記魚類の抗病性低下防止方法。A method for preventing reduction in disease resistance of fish, wherein taurine and cholesterol are given to fish bred using a feed for fish farming in which a raw material for fish meal is mixed instead of fish meal.
JP2002223825A 2002-07-31 2002-07-31 Feed for pisciculture Pending JP2004057156A (en)

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JP2008220180A (en) * 2007-03-08 2008-09-25 Univ Kinki Artificial formula feed for fish of thunnus, and rearing method of fish of thunnus
JP2009284835A (en) * 2008-05-30 2009-12-10 Fuji Oil Co Ltd Green liver syndrome-preventive fish feed
CN101301033B (en) * 2007-05-11 2011-08-24 山东六和集团有限公司 Technique for formulating feed added with protein powder of porcine corpuscle for adult fish of cyprinoid
CN102429098A (en) * 2010-09-29 2012-05-02 柳小雪 Granulated feed for feeding goldfishes
CN103202405A (en) * 2013-04-17 2013-07-17 广东通威饲料有限公司 Novel environment-friendly and nutritional efficient clarias fuscus feed
WO2014020925A1 (en) 2012-08-03 2014-02-06 協和発酵バイオ株式会社 Foodstuff for cultured fish and method for promoting growth of cultured fish using same
CN103815149A (en) * 2014-03-06 2014-05-28 天津市天祥水产有限责任公司 Active granular formula feed for feeding carp and preparation method of active granular formula feed
CN104041661A (en) * 2014-05-16 2014-09-17 范治淮 Antibiotic fermentation carp feed and preparation method thereof
CN104738318A (en) * 2015-03-20 2015-07-01 广东海因特生物技术集团有限公司 Feed additive for preventing thin back of ietalurus punetaus
CN106974134A (en) * 2017-04-26 2017-07-25 江苏农林职业技术学院 Improve the feed addictive and its feed and preparation method of hybridized snakehead fish weed survival rate
CN107594106A (en) * 2017-09-22 2018-01-19 无为县朝峰特种水产养殖专业合作社 A kind of crab getting fat cultivates special feed
CN107616312A (en) * 2017-09-30 2018-01-23 无为县绿农果蔬农民专业合作社 One kind promotees fat crab feed
CN107624956A (en) * 2017-09-30 2018-01-26 无为县绿农果蔬农民专业合作社 A kind of crab feed
CN107647186A (en) * 2017-10-09 2018-02-02 无为县乡谷生态养殖有限公司 A kind of crab cultivation special feed
CN107668411A (en) * 2017-11-10 2018-02-09 通威股份有限公司 A kind of green ecological mixed feed suitable for rice fishing synthesis breeding and preparation method thereof
CN107668318A (en) * 2017-11-17 2018-02-09 福建天马饲料有限公司 A kind of pearl rough gentian grouper postlarva mixed feed
CN107691895A (en) * 2017-11-17 2018-02-16 福建天马饲料有限公司 A kind of pearl rough gentian grouper is into carp compound feed
CN107691778A (en) * 2017-09-27 2018-02-16 江苏天成科技集团有限公司 A kind of crab feed and preparation method thereof
CN107712450A (en) * 2017-09-30 2018-02-23 无为县绿农果蔬农民专业合作社 A kind of crab feed of high protein content
CN108185121A (en) * 2018-01-22 2018-06-22 通威股份有限公司 A kind of middle Warsaw loach starter diet and preparation method thereof and application method
CN108201024A (en) * 2016-12-20 2018-06-26 淮安禾丰饲料有限公司 A kind of environment-friendly type fish feed for mixed culture of fish feed for enhancing attractant and preparation method thereof

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008220180A (en) * 2007-03-08 2008-09-25 Univ Kinki Artificial formula feed for fish of thunnus, and rearing method of fish of thunnus
CN101301033B (en) * 2007-05-11 2011-08-24 山东六和集团有限公司 Technique for formulating feed added with protein powder of porcine corpuscle for adult fish of cyprinoid
JP2009284835A (en) * 2008-05-30 2009-12-10 Fuji Oil Co Ltd Green liver syndrome-preventive fish feed
CN102429098A (en) * 2010-09-29 2012-05-02 柳小雪 Granulated feed for feeding goldfishes
JPWO2014020925A1 (en) * 2012-08-03 2016-07-21 協和発酵バイオ株式会社 Cultured fish feed and method for promoting the growth of cultured fish using the feed
WO2014020925A1 (en) 2012-08-03 2014-02-06 協和発酵バイオ株式会社 Foodstuff for cultured fish and method for promoting growth of cultured fish using same
CN103202405A (en) * 2013-04-17 2013-07-17 广东通威饲料有限公司 Novel environment-friendly and nutritional efficient clarias fuscus feed
CN103815149A (en) * 2014-03-06 2014-05-28 天津市天祥水产有限责任公司 Active granular formula feed for feeding carp and preparation method of active granular formula feed
CN104041661A (en) * 2014-05-16 2014-09-17 范治淮 Antibiotic fermentation carp feed and preparation method thereof
CN104738318A (en) * 2015-03-20 2015-07-01 广东海因特生物技术集团有限公司 Feed additive for preventing thin back of ietalurus punetaus
CN108201024A (en) * 2016-12-20 2018-06-26 淮安禾丰饲料有限公司 A kind of environment-friendly type fish feed for mixed culture of fish feed for enhancing attractant and preparation method thereof
CN106974134A (en) * 2017-04-26 2017-07-25 江苏农林职业技术学院 Improve the feed addictive and its feed and preparation method of hybridized snakehead fish weed survival rate
CN106974134B (en) * 2017-04-26 2020-11-24 江苏农林职业技术学院 Feed additive for improving survival rate of hybrid snakehead fry and feed and preparation method thereof
CN107594106A (en) * 2017-09-22 2018-01-19 无为县朝峰特种水产养殖专业合作社 A kind of crab getting fat cultivates special feed
CN107691778A (en) * 2017-09-27 2018-02-16 江苏天成科技集团有限公司 A kind of crab feed and preparation method thereof
CN107624956A (en) * 2017-09-30 2018-01-26 无为县绿农果蔬农民专业合作社 A kind of crab feed
CN107616312A (en) * 2017-09-30 2018-01-23 无为县绿农果蔬农民专业合作社 One kind promotees fat crab feed
CN107712450A (en) * 2017-09-30 2018-02-23 无为县绿农果蔬农民专业合作社 A kind of crab feed of high protein content
CN107647186A (en) * 2017-10-09 2018-02-02 无为县乡谷生态养殖有限公司 A kind of crab cultivation special feed
CN107668411A (en) * 2017-11-10 2018-02-09 通威股份有限公司 A kind of green ecological mixed feed suitable for rice fishing synthesis breeding and preparation method thereof
CN107691895A (en) * 2017-11-17 2018-02-16 福建天马饲料有限公司 A kind of pearl rough gentian grouper is into carp compound feed
CN107668318A (en) * 2017-11-17 2018-02-09 福建天马饲料有限公司 A kind of pearl rough gentian grouper postlarva mixed feed
CN108185121A (en) * 2018-01-22 2018-06-22 通威股份有限公司 A kind of middle Warsaw loach starter diet and preparation method thereof and application method

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