JPH02109948A - Compound feed for culturing eel - Google Patents

Compound feed for culturing eel

Info

Publication number
JPH02109948A
JPH02109948A JP63262586A JP26258688A JPH02109948A JP H02109948 A JPH02109948 A JP H02109948A JP 63262586 A JP63262586 A JP 63262586A JP 26258688 A JP26258688 A JP 26258688A JP H02109948 A JPH02109948 A JP H02109948A
Authority
JP
Japan
Prior art keywords
feed
eel
binder
culturing
eels
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.)
Pending
Application number
JP63262586A
Other languages
Japanese (ja)
Inventor
Masaru Murata
勝 村田
Masahisa Ibuki
昌久 伊吹
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DKS Co Ltd
Original Assignee
Dai Ichi Kogyo Seiyaku Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dai Ichi Kogyo Seiyaku Co Ltd filed Critical Dai Ichi Kogyo Seiyaku Co Ltd
Priority to JP63262586A priority Critical patent/JPH02109948A/en
Publication of JPH02109948A publication Critical patent/JPH02109948A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81Aquaculture, e.g. of fish
    • Y02A40/818Alternative feeds for fish, e.g. in aquacultures

Landscapes

  • Feed For Specific Animals (AREA)
  • Fodder In General (AREA)

Abstract

PURPOSE:To obtain a compound feed for culturing eels, having softness and resiliency suitable for feeding the eels and reducing occurrence of undissolved lumps thereof without sticking the surface by using rhamsan gums as a binder. CONSTITUTION:A feed for culturing eels obtained by blending rhamsan gum in an amount within the range of 1-10%, preferably 2-6% alone or together with other well-known binders, such as alpha-starch or wheat active gluten, as a binder in a normal feed powder for culturing the eels.

Description

【発明の詳細な説明】[Detailed description of the invention] 【産業上の利用分野】[Industrial application field]

本発明は養鰻飼料用粘結剤およびそれを配合した養鰻用
配合飼料に関するものである。
The present invention relates to a binder for eel farming feed and a compound feed for eel farming containing the binder.

【従来の技術】[Conventional technology]

養鰻用配合飼料は、独特の性能を持つことが要求されて
いる。即ち、養鰻用配合飼料は、鰻に給餌する際、水と
混ぜて餅状の練餌物にして水中へ投下されるが、この際
、餅状の練餌は鰻の摂餌に適した柔らかさ、弾力性を持
つと同時に1表面がべとつかず、滑らかである事の他に
、ママコ(粘結剤の未溶解塊り)の発生が少ないことが
要求されている。 そこで、これらの性状を満足させる手段として一般には
粘結剤が使用されており、公知の例としては、α化澱粉
、小麦活性グルテ・ン、カゼインナトリウム、アルギン
酸ナトリウム、ポリアクリル酸ナトリウム、カルボキシ
メチルセルロースナトリウム等がある。
Compound feed for eel farming is required to have unique performance. In other words, when feeding eel, compound feed for eel farming is mixed with water and made into a rice cake-like dough that is dropped into the water. In addition to being elastic and having a non-sticky and smooth surface, it is also required that there is little occurrence of mako (undissolved lumps of binder). Therefore, binders are generally used as a means to satisfy these properties, and known examples include pregelatinized starch, wheat activated gluten, sodium caseinate, sodium alginate, sodium polyacrylate, and carboxymethyl cellulose. There are sodium, etc.

【発明が解決しようとする課題】[Problem to be solved by the invention]

しかしこれらの既知粘結剤は、上述要求を完全に満たし
ているとは言えず、かつ、−心構たしているように見え
ても、成る一定の配合飼料組成、特に特定の魚粉を配合
した場合しか充分な効果が得られないことが問題になっ
ており、このため。 多くの養鰻業者から潰れた粘結剤、及びそれらを用いた
養鰻用配合飼料の開発が望まれていた。 本発明は1以上の課題に応えて、上のような既知餌料の
欠点を除いた、高性能の養鰻用配合飼料を提供するのを
目的とする。
However, these known binders cannot be said to fully meet the above requirements, and even though they appear to be suitable, certain formulated feed compositions, in particular certain fish meal formulations, cannot be said to fully meet the above requirements. The problem is that sufficient effects can only be obtained if Many eel farmers have desired the development of crushed caking agents and mixed feed for eel farming using them. SUMMARY OF THE INVENTION In response to one or more problems, the present invention aims to provide a high-performance compound feed for eel farming that eliminates the drawbacks of known feeds as described above.

【課題を解決する為の手段】[Means to solve the problem]

本発明者は、上記課題を克服する方法について種々研究
した結果、本発明に至った。すなわち、ラムザンガムを
必須成分として含有する養鰻飼料用粘結剤およびそれを
配合した養鰻用配合飼料である。 本発明において、使用するラムザンガムは醗酵多糖類で
あり、微i物Alcaligenesspecies、
  ATCC31961(American  Typ
e  Cu1ture  C。 11ectionに登録されたN00)がグルコースを
醗酵させてその菌体外に蓄植した多糖類を、精製し粉末
にした天然ガム質である。その化学構造は、下記に示す
ように、主鎖は、2個のグルコースと、グルクロン酸と
ラムノースが各1個、側鎖は、2個のグルコースより構
成されている。 (M’はナトリウム、カルシウム、カリウム等)木発1
!1により、ラムザンガムを粘結剤として使用すると、
既知粘結剤に比べて非常に少ない配合41でも好適な粘
結性が得られ、特に配合飼料中のその他の成分、殊に魚
粉の種類が変っても餅状練911の性状が変化せず、常
に安定した性状の餅状練餌が得られるが、所望により、
公知の粘結剤、例えばα化澱粉、小麦活性グルテン、カ
ゼインナトリウム、アルギン酸ナトリウム、ポリアクリ
ル酸ナトリウ11、カルボキシメチルセルロースナトリ
ウム等の他の粘結剤を併用することもできる。 ラムザンガムの好適な配合には、単独使用のとき一般に
全配合飼料中1−10%、好ましくは2〜6%である。 なおラムザンガムの使用により、従来余り利用されてい
ないブラウンフィツシュミールでも鰻用の練り餌として
利用できる可能性があることは本発明の他の特徴である
The present inventor conducted various studies on methods for overcoming the above-mentioned problems, and as a result, arrived at the present invention. That is, the present invention is a binder for eel farming feed containing Ramsan gum as an essential ingredient, and a compound feed for eel farming containing the binder. In the present invention, the ramsan gum used is a fermented polysaccharide, and contains microorganisms such as Alcaligeness species,
ATCC31961 (American Type
e Culture C. N00) registered in 11ection is a natural gum substance made by refining and powdering polysaccharides that are fermented with glucose and stored outside the bacterial cells. Its chemical structure is as shown below, the main chain is composed of two glucose, one each of glucuronic acid and rhamnose, and the side chain is composed of two glucose. (M' is sodium, calcium, potassium, etc.) Kiba 1
! According to 1, when Ramzan gum is used as a binder,
Suitable caking properties can be obtained even with a very small amount of Blend 41 compared to known caking agents, and the properties of Mochi-like Kneading 911 do not change even if other ingredients in the compounded feed, especially the type of fish meal, change. , a mochi-like paste with stable properties can always be obtained, but if desired,
Other binders such as known binders such as pregelatinized starch, wheat active gluten, sodium caseinate, sodium alginate, sodium polyacrylate 11, and sodium carboxymethyl cellulose can also be used in combination. Suitable formulations of Ramsan gum include generally 1-10%, preferably 2-6% in the total feed when used alone. Another feature of the present invention is that by using Ramsan gum, even brown fish meal, which has not been used much in the past, may be used as paste bait for eel.

【作用】[Effect]

従来の養鰻用配合飼料において、最も普通に使用される
粘結剤であるα化澱粉は、配合飼料全量の約20重量%
も使用されているが、本発明によりラムザンガムを使用
すると、より少量でもα化澱粉を含む他の粘結剤に比し
餅状練餌の性状が著しく向上し、鰻の摂餌に適した柔ら
かさ及び弾力性を有する。そしてべとつかず、しかもマ
マコの発生を少なくすることができる。従って、ラムザ
ンガムの使用により、栄養的に寄与することが少ない粘
結剤の使用情を著℃く減らすことができる。 このため、配合飼料単位重量8りの栄養分を増加させる
、つまり飼料を濃厚化することができるから、鰻に対す
る給餌効率が向上し、ひいては鰻の成長にも好結果を与
える。
In conventional compound feed for eel farming, pregelatinized starch, which is the most commonly used binder, accounts for approximately 20% by weight of the total amount of compound feed.
However, when Ramsan gum is used according to the present invention, the properties of the mochi-like dough are significantly improved compared to other binders containing pregelatinized starch even in a smaller amount, and it becomes soft and suitable for eel feeding. It has strength and elasticity. Moreover, it is not sticky and can reduce the occurrence of lumps. Therefore, the use of Ramsan gum can significantly reduce the use of binders, which have little nutritional contribution. Therefore, the nutritional content per unit weight of the mixed feed can be increased by 8 liters, that is, the feed can be enriched, which improves the feeding efficiency for the eel, which in turn gives good results to the growth of the eel.

【実施例】【Example】

以下、実施例及び比較例により本発明実施の態様及び効
果につき説明するが、例示は当然説明用のものであって
1発明思想の内包・外延を限るものではない。 1〜3  び         1〜3(餅状練餌の製
造) ラムザンガムを含む種々の組成の養鰻用配合飼料100
0gに水130(lslを加え、練機にて混練して餅状
練餌を得た0表−1に各配合飼料の組成を示す、ここで
の単位はすべて重量%とする。 (以下余白) 1〜3  び         l〜3製造例で得た餅
状練餌を、その「べとつき」、「腰の強さ」、「表面の
滑らかさ」及び「ママコの発生」を5人のモニターによ
り感触試験を行った。その結果を表−2に示す。 (以下余白) 以上の結果より1本発明によりラムザンガムを粘結剤と
して調製、成形された配合飼料餅状練餌の性状は、魚粉
の種類に関係なくべとつかず、適度の柔らかさを持つた
め表面が滑らかで、かつ腰が強くて弾力性に富み(即ち
、粘弾性が良好で)、シかもママコの発生が少ないとい
う、鰻への給餌に極めて適したものであることが分かる
。 一方、ラムザンガムを粘結剤として使用しない配合飼料
から混練された練餌は、べとつき、表面の粗さ、腰の弱
さ、ママコの発生など、全ての実用に耐えないものであ
った。
Hereinafter, embodiments and effects of the present invention will be explained with reference to Examples and Comparative Examples, but the examples are of course for illustrative purposes and do not limit the scope and scope of the inventive concept. 1-3 1-3 (Manufacture of mochi-shaped dough feed) Compound feed for eel farming with various compositions containing Ramsan gum 100
0 g and 130 lsl of water were added and kneaded in a kneading machine to obtain a mochi-like dough. Table 1 shows the composition of each compounded feed. All units here are weight %. ) The rice cake-like paste obtained in Production Examples 1-3 and 1-3 was evaluated by five monitors for its "stickiness,""strength of the waist,""smoothness of the surface," and "occurrence of mako." A test was conducted.The results are shown in Table 2. (The following is a blank space) From the above results, 1. The properties of the mixed feed cake-like dough prepared and molded using Ramsan gum as a binder according to the present invention are based on the type of fishmeal. Feeding for eels that is not sticky regardless of the texture, has a smooth surface with appropriate softness, is firm and has good elasticity (i.e., has good viscoelasticity), and has a low incidence of broiling. On the other hand, the dough kneaded from compound feed that does not use Ramsan gum as a binder has all the problems such as stickiness, surface roughness, weak hips, and the occurrence of lumps. It was impractical.

【発明の効果】【Effect of the invention】

以上説明した通り、本発明は、比較的少量の粘結剤の使
用により、配合魚粉の種類に拘りなく、水と混ぜて餅状
の練餌物にして水中へ投下したとき、鰻の摂餌に適した
柔らかさ及び弾力性を持つと同時に、表面がべとつかず
、ざらにママコの発生が少なくなるという優れた養鰻用
配合飼料を提供しうろことにより、養鰻産業に貢献しう
る。 特許出願人 第一工業製薬株式会社
As explained above, the present invention uses a relatively small amount of a binder, regardless of the type of mixed fishmeal, and when mixed with water and made into a rice cake-like dough and dropped into water, the feeding of eel is improved. The present invention can contribute to the eel farming industry by providing an excellent compounded feed for eel farming that has suitable softness and elasticity, has a non-sticky surface, and reduces the occurrence of lumps on the surface. Patent applicant Daiichi Kogyo Seiyaku Co., Ltd.

Claims (1)

【特許請求の範囲】 1、ラムザンガムを必須成分として含有することを特徴
とする養鰻飼料用粘結剤。 2、請求項1記載の粘結剤を配合した養鰻用配合飼料。
[Claims] 1. A binder for eel feed, characterized by containing Ramsan gum as an essential ingredient. 2. A compound feed for eel farming containing the binder according to claim 1.
JP63262586A 1988-10-18 1988-10-18 Compound feed for culturing eel Pending JPH02109948A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP63262586A JPH02109948A (en) 1988-10-18 1988-10-18 Compound feed for culturing eel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63262586A JPH02109948A (en) 1988-10-18 1988-10-18 Compound feed for culturing eel

Publications (1)

Publication Number Publication Date
JPH02109948A true JPH02109948A (en) 1990-04-23

Family

ID=17377864

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63262586A Pending JPH02109948A (en) 1988-10-18 1988-10-18 Compound feed for culturing eel

Country Status (1)

Country Link
JP (1) JPH02109948A (en)

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