JPH026499B2 - - Google Patents
Info
- Publication number
- JPH026499B2 JPH026499B2 JP56073509A JP7350981A JPH026499B2 JP H026499 B2 JPH026499 B2 JP H026499B2 JP 56073509 A JP56073509 A JP 56073509A JP 7350981 A JP7350981 A JP 7350981A JP H026499 B2 JPH026499 B2 JP H026499B2
- Authority
- JP
- Japan
- Prior art keywords
- feed
- sample
- water
- present
- test
- 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.)
- Expired - Lifetime
Links
- 241001465754 Metazoa Species 0.000 claims description 12
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 claims description 11
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 claims description 11
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 6
- 239000001110 calcium chloride Substances 0.000 claims description 6
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 17
- 239000000523 sample Substances 0.000 description 15
- 150000001875 compounds Chemical class 0.000 description 12
- 229920000881 Modified starch Polymers 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 238000002834 transmittance Methods 0.000 description 5
- 239000011230 binding agent Substances 0.000 description 4
- 230000014759 maintenance of location Effects 0.000 description 4
- 241000251468 Actinopterygii Species 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 238000004898 kneading Methods 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 238000010998 test method Methods 0.000 description 3
- 241000252073 Anguilliformes Species 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000037396 body weight Effects 0.000 description 2
- 239000013068 control sample Substances 0.000 description 2
- 238000009313 farming Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002562 thickening agent Substances 0.000 description 2
- 235000019733 Fish meal Nutrition 0.000 description 1
- 229920002907 Guar gum Polymers 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 240000004808 Saccharomyces cerevisiae Species 0.000 description 1
- 235000014680 Saccharomyces cerevisiae Nutrition 0.000 description 1
- 235000019764 Soybean Meal Nutrition 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 239000000783 alginic acid Substances 0.000 description 1
- 235000010443 alginic acid Nutrition 0.000 description 1
- 229920000615 alginic acid Polymers 0.000 description 1
- 229960001126 alginic acid Drugs 0.000 description 1
- 150000004781 alginic acids Chemical class 0.000 description 1
- 235000001014 amino acid Nutrition 0.000 description 1
- 150000001413 amino acids Chemical class 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 235000010216 calcium carbonate Nutrition 0.000 description 1
- MKJXYGKVIBWPFZ-UHFFFAOYSA-L calcium lactate Chemical compound [Ca+2].CC(O)C([O-])=O.CC(O)C([O-])=O MKJXYGKVIBWPFZ-UHFFFAOYSA-L 0.000 description 1
- 239000001527 calcium lactate Substances 0.000 description 1
- 229960002401 calcium lactate Drugs 0.000 description 1
- 235000011086 calcium lactate Nutrition 0.000 description 1
- 239000001506 calcium phosphate Substances 0.000 description 1
- 229910000389 calcium phosphate Inorganic materials 0.000 description 1
- 235000011010 calcium phosphates Nutrition 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004467 fishmeal Substances 0.000 description 1
- 235000013373 food additive Nutrition 0.000 description 1
- 239000002778 food additive Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000000665 guar gum Substances 0.000 description 1
- 235000010417 guar gum Nutrition 0.000 description 1
- 229960002154 guar gum Drugs 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 210000004185 liver Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 238000009372 pisciculture Methods 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
- 235000020183 skimmed milk Nutrition 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000004455 soybean meal Substances 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 238000010971 suitability test Methods 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 description 1
- 229940088594 vitamin Drugs 0.000 description 1
- 239000011782 vitamin Substances 0.000 description 1
- 235000013343 vitamin Nutrition 0.000 description 1
- 229930003231 vitamin Natural products 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Landscapes
- Feed For Specific Animals (AREA)
- Fodder In General (AREA)
Description
本発明はポリアクリル酸ナトリウム及び塩化カ
ルシウムを添加した水産動物用配合飼料に関す
る。
水産動物用配合飼料は水中又は水面で給餌され
るものであるため、水中又は水面で一定時間形状
を保つことが必要であり、早期に崩壊するもので
あつてはならない。
そのため、水産動物用配合飼料には一般に粘結
剤を添加し、その崩壊を防止している。しかし、
その効果は必ずしも満足のいくものではない。
例えば近年、養鰻用飼料の粘結剤としてα−化
でんぷんが飼料中に20〜25％程度添加されて使用
されているが、調餌時に飼料に水を加えて練り餌
にした時、いわゆる劣化現象が生じ練り餌の粘弾
性が激減してしまう。劣化した練り餌を魚に給与
すると、飼料は水中で散逸し飼料のロス、水質汚
染の原因となり鰻の生育に多大の影響を与える。
又、ポリアクリル酸ナトリウムなどを粘結剤と
してα化デンプンとともに使用する例もあるが、
粘着性が強く、練り餌とするさい機械に付着して
しまうなど取扱いにくく、又だれを生じるなど形
状の保持性も十分でない。
そこで本発明者らは上記欠点を改善すべく種々
検討した結果、ポリアクリル酸ナトリウム及び塩
化カルシウムを添加した水産動物用配合飼料で練
り餌を作ると非常にすぐれた粘弾性を示し、水中
でも長時間一定の形状を保つてその散逸を防ぎ、
又、粘着性も少なく、さらに飼料効率のよい飼料
が得られることを見い出した。
本発明は上記知見にもとづいて完成されたもの
である。
本発明で使用されるポリアクリル酸ナトリウム
は食品添加物に指定されている極めて安全性の高
い物質であり、その極限粘度が0.3以上のものを
使用することが望ましい。
本発明で使用する水産動物用配合飼料は特に制
限はなく市販の飼料でよく、又タンパク源として
魚粉、大豆カス、脱脂粉乳、肝臓粉末、ビール酵
母などを用い、添加物としてビタミン、ミネラ
ル、アミノ酸などを用いて作成した飼料でよい
が、粘結剤としてαデンプンを添加したものが好
ましく、又、アルギン酸もしくはその塩、グアー
ガムなどの天然糊料や他の合成糊料の添加された
飼料でもよい。
又魚種の観点からすると養鰻用飼料が好まし
い。例えば育成期の鰻は適度の粘弾性を有する飼
料を好むことから、本発明の飼料は好適である。
本発明で使用するポリアクリル酸ナトリウムと
塩化カルシウムの使用割合は添加する配合飼料中
の無機物の含量などにより変化するため、一概に
は言えないが、塩化カルシウム１重量部に対しし
てポリアクリル酸ナトリウム１重量部以上、好ま
しくは0.5〜10重量部使用することが望ましい。
本発明の配合飼料中に含有させるポリアクリル
酸ナトリウムの量は0.1％以上、好ましくは0.5〜
３％が望ましい。又、塩化カルシウムの量は上記
したポリアクリル酸ナトリウムとの使用割合に基
づき定められる。
本発明の水産動物用配合飼料を製造するにはポ
リアクリル酸ナトリウムと塩化カルシウムを混合
した後、又は別々に配合飼料に添加し、均一に混
合すればよい。又、必要に応じ顆粒化、ペレツト
化してもよい。
以上のようにして製造された本発明の配合飼料
を使用するには粉末の場合通常これに水を添加
し、機械又は手で練つて練り餌とした後、又、顆
粒、ペレツトの場合はそのまま水中に投与すれば
よい。
本発明の配合飼料は養魚用として使用でき又、
形状の保持性のよいことから針持ちの改善された
飼料として釣り餌にも使用できる。
次に本発明の配合飼料がきわめてすぐれた性質
を有するものであることを実験例により説明す
る。
実験例 １
水中への散逸試験
表１に示す飼料100ｇをビーカにとに、1.2倍量
の水を加え、ガラス棒で30秒間練つた後飼料を取
り出し手で30秒間練つた。次いで５分間放置後10
ｇの団子状のかたまりを作り試料とした。
The present invention relates to a compound feed for aquatic animals to which sodium polyacrylate and calcium chloride are added. Compound feed for aquatic animals is fed in water or on the water surface, so it must maintain its shape for a certain period of time in water or on the water surface, and must not disintegrate prematurely. Therefore, a binder is generally added to compound feed for aquatic animals to prevent it from disintegrating. but,
The effect is not always satisfactory. For example, in recent years, approximately 20 to 25% of pregelatinized starch has been added to the feed as a binder for eel farming feed, but when water is added to the feed during preparation to make dough, the so-called deterioration occurs. This phenomenon occurs and the viscoelasticity of the bait decreases drastically. When degraded paste feed is fed to fish, the feed dissipates in the water, causing feed loss and water pollution, which greatly affects eel growth. There are also examples of using sodium polyacrylate as a binder together with pregelatinized starch.
It is highly sticky and difficult to handle as it adheres to machines when used as bait, and it does not retain its shape well as it tends to sag. Therefore, the present inventors conducted various studies in order to improve the above-mentioned drawbacks, and found that when made from a compound feed for aquatic animals containing sodium polyacrylate and calcium chloride, the bait exhibits excellent viscoelasticity and lasts long even in water. Maintains a constant shape for a long time to prevent its dissipation,
It has also been found that a feed with less stickiness and higher feed efficiency can be obtained. The present invention was completed based on the above findings. The sodium polyacrylate used in the present invention is an extremely safe substance designated as a food additive, and it is desirable to use one with an intrinsic viscosity of 0.3 or more. The compound feed for aquatic animals used in the present invention is not particularly limited and may be any commercially available feed.Fish meal, soybean meal, skim milk powder, liver powder, brewer's yeast, etc. are used as protein sources, and vitamins, minerals, and amino acids are added as additives. Feeds prepared using such materials as additives may be used, but feeds with alpha starch added as a binder are preferable, and feeds with alginic acid or its salts, natural thickening agents such as guar gum, or other synthetic thickening agents may also be used. . Also, from the viewpoint of fish species, feed for eel farming is preferable. For example, the feed of the present invention is suitable for eels during the growing period, since they prefer feed with appropriate viscoelasticity. The ratio of sodium polyacrylate and calcium chloride used in the present invention varies depending on the content of inorganic substances in the compounded feed to be added, so it cannot be definitively stated. It is desirable to use 1 part by weight or more of sodium, preferably 0.5 to 10 parts by weight. The amount of sodium polyacrylate contained in the compound feed of the present invention is 0.1% or more, preferably 0.5% to
3% is desirable. Further, the amount of calcium chloride is determined based on the ratio of use with the above-mentioned sodium polyacrylate. To produce the compound feed for aquatic animals of the present invention, sodium polyacrylate and calcium chloride may be mixed together, or they may be added separately to the compound feed and mixed uniformly. Furthermore, it may be granulated or pelletized if necessary. To use the compound feed of the present invention produced as described above, in the case of powder, it is usually mixed with water and kneaded by machine or hand to make a paste, or in the case of granules or pellets, it is used as is. It can be administered in water. The compound feed of the present invention can be used for fish farming, and
Because it retains its shape well, it can also be used as fishing bait as feed with improved hook retention. Next, the excellent properties of the compound feed of the present invention will be explained using experimental examples. Experimental Example 1 Dissipation test into water 100 g of the feed shown in Table 1 was added to a beaker with 1.2 times the amount of water, kneaded with a glass rod for 30 seconds, then the feed was taken out and kneaded by hand for 30 seconds. Then leave it for 5 minutes and then 10
A dumpling-shaped lump of 1.5 g was made and used as a sample.
【表】
＊＊ 本発明品
(2) 試験方法
各試料を300ml容三角フラスコに入れ、水100
mlを加え、振とう器で10分間振とうした。振と
う後５分間静置し、上澄液を採取して分光光度
計（波長660ｍμ）にて透過率を測定した。
１飼料当り５回測定し、平均値を求めた。
(3) 試験結果
結果を表２に示す。[Table] ** Invention product
(2) Test method Place each sample in a 300ml Erlenmeyer flask and add 100ml of water.
ml and shaken on a shaker for 10 minutes. After shaking, the mixture was allowed to stand for 5 minutes, and the supernatant was collected, and the transmittance was measured using a spectrophotometer (wavelength: 660 mμ). The measurement was performed five times per feed, and the average value was calculated. (3) Test results The results are shown in Table 2.
【表】【table】
【表】
表２から明らかなようにα化デンプンのみを
使用した対照試料１は透過率が51.2％にすぎ
ず、又それにポリアクリル酸ナトリウムを添加
した対照試料２の透過率は更に低く33.8％にす
ぎない。更に試料２にリン酸カルシウム、炭酸
カルシウム又は乳酸カルシウムを添加した試料
３、４，５の透過率はそれぞれ37.4％、32.6
％、42.3％であり、試料１に比し低く、改善は
みられない。それに対し本発明の飼料である試
料６の透過率は87.5％と大巾に改善され、水中
での飼料の散逸が防止されていることがわか
る。
実験例 ２
水産動物用配合飼料としての適性試験
(1) 試料の調製
表３に示す各試験飼料100ｇをビーカにとり、
1.2倍量の水を加えてガラス棒で30秒間練り上
げ試料とした。
(2) 試験方法
練り上げ５分後の各試料について弾性、伸
び、ベタツキ、形状の保持性を、又、練り上げ
20分後の各試料の粘弾性の劣化を特性値とする
官能検査をおこなつた。採点は４人でおこない
その平均値をとつた。α化デンプンのみを添加
した飼料１を基準とし、それに評点３を与え、
それとの比較において採点した。採点基準、５
点：良、４点：やや良、３点：変化なし、２
点：やや悪、１点：悪。[Table] As is clear from Table 2, the transmittance of control sample 1 using only pregelatinized starch was only 51.2%, and the transmittance of control sample 2, in which sodium polyacrylate was added, was even lower at 33.8%. It's nothing more than that. Furthermore, the transmittance of Samples 3, 4, and 5, in which calcium phosphate, calcium carbonate, or calcium lactate was added to Sample 2, was 37.4% and 32.6, respectively.
%, 42.3%, which is lower than that of Sample 1, and no improvement is seen. In contrast, the transmittance of Sample 6, which is the feed of the present invention, was greatly improved to 87.5%, indicating that the feed was prevented from dissipating in the water. Experimental example 2 Suitability test as compound feed for aquatic animals (1) Preparation of samples Place 100 g of each test feed shown in Table 3 in a beaker.
A sample was prepared by adding 1.2 times the amount of water and kneading it with a glass rod for 30 seconds. (2) Test method After 5 minutes of kneading, each sample was evaluated for elasticity, elongation, stickiness, and shape retention.
A sensory test was conducted using the deterioration of viscoelasticity of each sample after 20 minutes as a characteristic value. The scoring was done by four people and the average value was taken. Based on feed 1 to which only pregelatinized starch was added, a score of 3 was given to it,
The score was determined in comparison with that. Scoring criteria, 5
Point: Good, 4 points: Fairly good, 3 points: No change, 2
Point: Slightly bad, 1 point: Bad.
【表】【table】
【表】
＊＊ 対照品
＊＊＊ 本発明品
(3) 試験結果
結果を表３に示す。[Table] ** Control product *** Invention product
(3) Test results The results are shown in Table 3.
【表】
表３から明らかなように、本発明の飼料であ
る飼料３は各特性値において、比較飼料である
試料１よりすぐれており、特に形状の保持性が
よく、又、20分後の粘弾性劣化もなく、又、平
均も4.35となつており、試料１に比べ水産動物
用飼料としてきわめてすぐれた適性を有するも
のであることがわかる。これに対し、α化デン
プンとポリアクリル酸ナトリウムを用いた飼料
である試料２では伸びにおいて試料３より優れ
るが他の特性値においてすべて劣り、特にベタ
ツキが１ときわめて強く、又、放置しておくと
ダレが生じるなど形状の保持性も1.5と悪く、
さらに平均も2.40と試料１よりも悪い。
以上のことから、本発明の飼料である試料３
は水産動物用飼料としてきわめてすぐれた適性
を有するものであることがわかる。
実験例 ３
鰻の飼育試験
(1) 試料の調製
表３に示す飼料１（対照品）及び飼料３（本発
明品）を用い、これに水1.2倍量加え、手練り
で試料を調製した。
(2) 試験方法
全面塩化ビニール製（100cm×50cm×50cm）
の水槽２槽を用い、対照区と試験区を設けた。
循環過式にて、水温を27℃にセツトした。
供試魚は１匹10ｇ位の鰻を用い、各区に100
匹宛配した。体重測定は試験開始時と終了時に
群体重で行つた。
飼料の給与は各区とも、体重の2.5％重量程
度を与え、総給与量が２Kg（１匹当り20ｇ）に
なつた時点で試験を終了した。給与方法は飼料
をカゴに入れこれを水槽中につるして給与し
た。
(3) 試験結果
結果を表５に示す。[Table] As is clear from Table 3, Feed 3, which is the feed of the present invention, is superior to Sample 1, which is the comparative feed, in each characteristic value, and has particularly good shape retention, and There was no deterioration in viscoelasticity, and the average value was 4.35, indicating that it has extremely superior suitability as a feed for aquatic animals compared to Sample 1. On the other hand, Sample 2, which is a feed using pregelatinized starch and sodium polyacrylate, is superior to Sample 3 in terms of elongation, but inferior in all other characteristic values, and in particular, it is extremely sticky at 1, and it is difficult to leave it as it is. The shape retention is also poor at 1.5, such as sag.
Furthermore, the average is 2.40, which is worse than sample 1. From the above, Sample 3, which is the feed of the present invention,
It can be seen that it has excellent suitability as feed for aquatic animals. Experimental Example 3 Eel Breeding Test (1) Sample Preparation Using Feed 1 (control product) and Feed 3 (product of the present invention) shown in Table 3, 1.2 times the amount of water was added thereto and samples were prepared by hand kneading. (2) Test method Fully made of vinyl chloride (100cm x 50cm x 50cm)
A control section and a test section were set up using two aquariums.
The water temperature was set at 27°C using a circulation system. The test fish used was eel weighing about 10g each, and 100 eels were placed in each area.
I distributed them to each other. Group body weight was measured at the beginning and end of the study. Approximately 2.5% of the animal's body weight was fed to each group, and the test was terminated when the total amount fed reached 2 kg (20 g per animal). The feeding method was to put the feed in a basket and hang it in the aquarium. (3) Test results The results are shown in Table 5.
【表】【table】
【表】
この表から明らかなように本発明の飼料を用
いた試験区の飼料効率は79.1％であり、対照区
の71.2％に比し、実に11％もの飼料効率の改善
が認められた。
又、飼料の水中への散逸状況を観察すると試
験区の方が対照区に比し著しく少なく、散逸に
よる飼料の無駄を省くことができた。
以上の結果から本発明の飼料はきわめてすぐれ
たものであることがわかる。[Table] As is clear from this table, the feed efficiency in the test plot using the feed of the present invention was 79.1%, which was an improvement of 11% compared to 71.2% in the control plot. Furthermore, when observing the dissipation of feed into the water, it was found that there was significantly less feed in the test plot than in the control plot, and waste of feed due to dissipation could be avoided. From the above results, it can be seen that the feed of the present invention is extremely excellent.
Claims (1)
ムを添加した水産動物用配合飼料。1 Compounded feed for aquatic animals containing sodium polyacrylate and calcium chloride.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56073509A JPS57189647A (en) | 1981-05-18 | 1981-05-18 | Assorted feed for aquatic animal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56073509A JPS57189647A (en) | 1981-05-18 | 1981-05-18 | Assorted feed for aquatic animal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57189647A JPS57189647A (en) | 1982-11-22 |
| JPH026499B2 true JPH026499B2 (en) | 1990-02-09 |
Family
ID=13520285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56073509A Granted JPS57189647A (en) | 1981-05-18 | 1981-05-18 | Assorted feed for aquatic animal |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57189647A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4584024A (en) * | 1983-11-30 | 1986-04-22 | Kanegafuchi Kagaku Kogyo Kabushiki Kaisha | Process for producing pregelatinized potato starch for use as a binder in feeds for fish |
| JPS61132144A (en) * | 1984-11-30 | 1986-06-19 | Kouriyuu Kogyo Kk | Preparation of feed for pisciculture |
-
1981
- 1981-05-18 JP JP56073509A patent/JPS57189647A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57189647A (en) | 1982-11-22 |
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