JPH02211832A - Method for increasing shell strength of eggs - Google Patents
Method for increasing shell strength of eggsInfo
- Publication number
- JPH02211832A JPH02211832A JP1031898A JP3189889A JPH02211832A JP H02211832 A JPH02211832 A JP H02211832A JP 1031898 A JP1031898 A JP 1031898A JP 3189889 A JP3189889 A JP 3189889A JP H02211832 A JPH02211832 A JP H02211832A
- Authority
- JP
- Japan
- Prior art keywords
- eggs
- feed
- tryptophan
- egg
- strength
- 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
Links
- 235000013601 eggs Nutrition 0.000 title claims abstract description 50
- 238000000034 method Methods 0.000 title claims description 11
- QIVBCDIJIAJPQS-VIFPVBQESA-N L-tryptophane Chemical compound C1=CC=C2C(C[C@H](N)C(O)=O)=CNC2=C1 QIVBCDIJIAJPQS-VIFPVBQESA-N 0.000 claims abstract description 21
- 229960004799 tryptophan Drugs 0.000 claims abstract description 13
- 150000003839 salts Chemical class 0.000 claims abstract description 12
- 238000009395 breeding Methods 0.000 claims abstract description 8
- 230000001488 breeding effect Effects 0.000 claims abstract description 8
- 210000003278 egg shell Anatomy 0.000 claims description 35
- 102000002322 Egg Proteins Human genes 0.000 claims description 27
- 108010000912 Egg Proteins Proteins 0.000 claims description 27
- 241000287828 Gallus gallus Species 0.000 claims description 12
- 238000005406 washing Methods 0.000 abstract description 4
- 238000003860 storage Methods 0.000 abstract description 3
- IFGCUJZIWBUILZ-UHFFFAOYSA-N sodium 2-[[2-[[hydroxy-(3,4,5-trihydroxy-6-methyloxan-2-yl)oxyphosphoryl]amino]-4-methylpentanoyl]amino]-3-(1H-indol-3-yl)propanoic acid Chemical compound [Na+].C=1NC2=CC=CC=C2C=1CC(C(O)=O)NC(=O)C(CC(C)C)NP(O)(=O)OC1OC(C)C(O)C(O)C1O IFGCUJZIWBUILZ-UHFFFAOYSA-N 0.000 abstract 1
- 235000013330 chicken meat Nutrition 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000009826 distribution Methods 0.000 description 5
- 238000005259 measurement Methods 0.000 description 3
- 230000017448 oviposition Effects 0.000 description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 2
- 235000019733 Fish meal Nutrition 0.000 description 2
- QIVBCDIJIAJPQS-UHFFFAOYSA-N Tryptophan Natural products C1=CC=C2C(CC(N)C(O)=O)=CNC2=C1 QIVBCDIJIAJPQS-UHFFFAOYSA-N 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 239000013256 coordination polymer Substances 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 239000004467 fishmeal Substances 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 235000012424 soybean oil Nutrition 0.000 description 2
- 239000003549 soybean oil Substances 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 1
- 241000237502 Ostreidae Species 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 235000013527 bean curd Nutrition 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000003746 feather Anatomy 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 235000020636 oyster Nutrition 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Landscapes
- Feed For Specific Animals (AREA)
- Fodder In General (AREA)
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明は鶏卵の殻のひび割れヤ破卵の防止に有用な卵殻
強度の向上方法に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a method for improving the strength of eggshells useful for preventing cracking and breaking of chicken eggshells.
より詳しくは、本発明はＬ−トリプトファンおよび／ま
たはその塩を添加した飼料を産卵期の産卵鶏または種鶏
に給餌して鶏卵の卵殻強度を向上することにより、産卵
時のみならず集卵、洗浄、保存、輸送等の各段階におけ
る鶏卵の破卵もしくはひび割れを低減することのできる
鶏卵の卵殻強度の向上方法に関するものである。More specifically, the present invention improves the eggshell strength of chicken eggs by feeding feed to which L-tryptophan and/or its salt has been added to laying hens or breeding hens during the egg-laying season. The present invention relates to a method for improving the strength of eggshells of chicken eggs, which can reduce breakage or cracking of chicken eggs at various stages such as washing, storage, and transportation.
［従来の技術］
卵殻強度の不十分な鶏卵は破卵の発生原因となり、出荷
量（生産高）に直に影響するため、鶏卵の生産者にとっ
ては重大な問題である。また、流通段階での破卵は流通
コストの上昇原因となる。[Prior Art] Eggs with insufficient eggshell strength cause the eggs to break, which directly affects shipping volume (output), which is a serious problem for egg producers. Furthermore, broken eggs at the distribution stage cause an increase in distribution costs.
そこで、破卵およびこれに伴なう諸問題を解決するため
、鶏の育種改良をはじめとして、生産面あるいは販売を
含めた流通の各段階において様々な努力がなされている
。しかし、現状では未だ十分な問題解決は行なわれてい
ない。Therefore, in order to solve broken eggs and the problems associated with them, various efforts are being made at each stage of distribution, including production and sales, including improved breeding of chickens. However, at present, the problem has not yet been sufficiently resolved.
例えば生産時において、カキガラ、石灰石等のカルシウ
ム源を添加じた飼料を給餌して卵殻強度の向上をはかる
方法がある。しかし、この方法ではカルシウム準が過剰
になると産卵率が低下する等の望ましくない結果を生じ
ることかあり、必ずしも満足のゆくものではなかった。For example, during production, there is a method of feeding eggs with feed supplemented with calcium sources such as oyster shells and limestone to improve eggshell strength. However, this method was not always satisfactory, as excess calcium levels could lead to undesirable results such as a decrease in egg production rate.
［発明が解決しようと覆る課題］
このように種々の努力が行なわれているにもかかわらず
、現状では破卵の防止に有用な卵殻強度の向上方法は知
られていない。[Problems to be Solved by the Invention] Despite these various efforts, there is currently no known method for improving eggshell strength that is useful for preventing egg breakage.
しかしながら、割れた卵は全く商品価値を失うか、もし
くは取引きされたとしても３〜５割も価格の高い液卵等
として扱われてしまうため、鶏卵の生産者および販売者
にとっては、破卵の防止は重大な問題でおる。従って、
卵殻強度の向上によって、生産時はもとより集卵、洗浄
、保存、輸送等の各段階での破卵による鶏卵の損失防止
をはかることは鶏卵の生産者および販売者からの強い要
望となっている。However, broken eggs either lose their commercial value completely, or even if they are traded, they are treated as liquid eggs, etc., which are 30% to 50% more expensive. Prevention is a serious problem. Therefore,
There is a strong demand from egg producers and sellers to prevent loss of eggs due to egg breakage not only during production but also at each stage of egg collection, washing, storage, and transportation by improving the strength of eggshells. .
生産段階から消費段階までの破卵による鶏卵の損失を調
査した最近のある報告では、農場での破卵率が１．６０
％、洗浄等を行なうＧＰセンターや処理場での破卵率が
５゜６１％であった。従って、生産者の直接損失となる
破卵率はこれらを加えた値、つまり７．２１％となる。A recent report that investigated egg losses due to egg breakage from the production stage to the consumption stage found that the on-farm egg breakage rate was 1.60.
%, and the egg rupture rate at GP centers and processing plants where washing etc. were performed was 5.61%. Therefore, the egg breaking rate, which is a direct loss to producers, is the sum of these values, that is, 7.21%.
ざらに、ひび割れ卵が農場からＧＰセンターや処理場ま
での段階で５，７％、また鶏卵が小売店から消費家庭に
持ら帰られるまでの段階で少なくとも１％程度のひび割
れ卵が生じると言われているので、農場から消費家庭ま
での全段階における１−一タルの破卵（ひび割れ卵も含
む）は約１５％にものぼることになる［鶏の細穴、Ｖｏ
ｌ、６１． Ｎｏ、１２．３３−３６ （１９８６）］
。Roughly speaking, it is estimated that 5.7% of eggs are cracked during the journey from the farm to the GP center or processing plant, and at least 1% of the eggs are cracked during the journey from the retail store to the consumer's home. Therefore, the percentage of broken eggs (including cracked eggs) in 1-1 barrels at all stages from the farm to the consumer's home is about 15% [Chicken's Pore, Vol.
l, 61. No. 12.33-36 (1986)]
.
破卵の問題は生産者や流通業者のみならず、消費者にと
っても重大な関心事である。The problem of broken eggs is a serious concern not only for producers and distributors, but also for consumers.
鶏卵の購入に際して消費者は鮮度を最も重視するが、同
時に破卵の有無−し注意深く調べる。これは、卵殻の破
損によって、購入後の鮮度の維持に大きく影響するばか
りでなく、ひび割れを生じると微生物の進入が容易とな
って衛生上も好ましくないこと、また中身が漏出すれば
完全損失となるからである。When purchasing eggs, consumers place the most importance on freshness, but they also carefully check for broken eggs. This is because not only does broken eggshells have a major impact on maintaining freshness after purchase, but cracks also allow microorganisms to easily enter, which is unfavorable from a sanitary standpoint, and if the contents leak out, it can be a complete loss. Because it will be.
このように生産、流通および消費のいずれの観点からも
破卵の問題は重要であり、卵殻強度の向上をはかること
は、そのまま破卵の減少に結びつき生産性の向上に奇与
し、その経演的価値は極めて大きいと言える。In this way, the problem of broken eggs is important from the perspectives of production, distribution, and consumption, and improving the strength of eggshells will directly lead to a reduction in broken eggs, which will lead to improved productivity, and the It can be said that the performance value is extremely large.
従って、本発明の課題は生産者のみならず流通業者ある
いは消費者にとっても影響の大きい鶏卵の破卵防止に有
用な卵殻強度の向上方法を提供することにある。Therefore, an object of the present invention is to provide a method for improving eggshell strength that is useful for preventing egg breakage of chicken eggs, which has a large impact not only on producers but also on distributors and consumers.
［課題を解決するための手段］
本発明者らは上記課題を解決すべく鋭意検討の結果、産
卵鶏または種鶏の飼料にり、−トリプトファンおよび／
またはその塩を添加することによって、鶏卵の卵殻が厚
くなり卵殻強度が向上する口とを見い出し本発明に到達
したものである。[Means for Solving the Problems] As a result of intensive studies to solve the above problems, the present inventors found that - tryptophan and/or
The inventors of the present invention have discovered that by adding salt thereof, the eggshells of chicken eggs become thicker and the strength of the eggshells is improved.
すなわち、本発明は、
１）Ｌ−１〜リプトフ１ンおよび／またはその塩を添加
した飼料を産卵鶏または種鶏に給餌することを特徴とす
る鶏卵の卵殻強度の向上方法、２）Ｌ−トリプトファン
および／またはその塩の飼料への添加量が、１０〜１０
０００ ｐｐｍであることを特徴とする前記１）の卵殻
強度の向上方法、に関するものである。That is, the present invention provides: 1) a method for improving the eggshell strength of chicken eggs, which comprises feeding a laying hens or breeding hens with a feed to which L-1~Lyptophone and/or its salt is added; 2) L- The amount of tryptophan and/or its salt added to the feed is 10 to 10
This invention relates to the method for improving eggshell strength as described in 1) above, characterized in that the eggshell strength is 0.000 ppm.
Ｌ４リプトフ１ンおよび／またはその塩を添加した飼料
を産卵鶏または種鶏に給餌することにより、卵殻強度の
向上をはかることができる。給餌時期は産卵鶏または種
鶏の産卵期が望ましい。By feeding laying hens or breeding hens with feed to which L4 liptofun and/or its salt has been added, eggshell strength can be improved. The feeding period is preferably during the laying period of laying hens or breeding hens.
し−−１〜リプトフアンとしては、遊離型Ｌ−１−リゾ
］・ファンが好ましいか、その塩もしくはこれら組合じ
でもよい。As the L-1-lyptophan, free L-1-lyso]fan is preferable, or a salt thereof or a combination thereof may be used.
Ｌ−トリプトファンおよび／またはその塩の飼料への添
加量は１０〜１ｏｏｏｏ ｐｐｍ稈度が好ましい。ｌ０
ｐＩ）１１１未満では卵殻強度の向上か認められない。The amount of L-tryptophan and/or its salt added to the feed is preferably 10 to 100 ppm culm. l0
When the pI is less than 111, no improvement in eggshell strength is observed.
また１００００ Ｄｔ）ｍを越える量を添加しても卵殻
強度のそれ以上の向上はないので不経済である。Further, even if an amount exceeding 10,000 Dt)m is added, the eggshell strength will not be further improved, which is uneconomical.
Ｌ−トリプトファンの添加形態は、例えば粉状、液状等
のいずれをし採用することかできる。L-tryptophan may be added in any form, such as powder or liquid.
［実施例］
以下に本発明の実施例を示すか、本発明はこれらの実施
例により限定されるものではない。[Examples] Examples of the present invention will be shown below, but the present invention is not limited by these Examples.
なお、以下の説明中、％およびｐｐｍは、特に断らない
限り重量を基準とするものである。In the following description, % and ppm are based on weight unless otherwise specified.
実施例１
３９３日令の産卵鶏（シエバースタークロス２８８）を
１０羽づつ２群（比較区および試験区とする。）に分け
、比較区にはトウーしロコシ７０％、大豆油粕１３％、
魚粉７％、その他１０％よりなる市販の産卵鶏成鶏用飼
料（ＣＰ ： １６％、Ｍ Ｅ ： ２７５０ｋｃａｌ
／ｋ（］ ）を、また試験区には、首記成鶏用飼料に遊
離型１−一トリブトファン８０００ｐｐｍを添加混合し
た飼料を、３９３日令から４２０日令まで２８日間給餌
した。Example 1 393-day-old egg-laying hens (Siever Star Cross 288) were divided into two groups of 10 each (comparison group and test group), and the comparison group was treated with 70% tofu and lokoshi, 13% soybean oil cake,
Commercially available feed for laying hens consisting of 7% fishmeal and 10% other ingredients (CP: 16%, ME: 2750kcal)
/k(] ), and the test group was fed a feed prepared by adding and mixing 8000 ppm of free 1-1 tributophane to the feed for adult chickens described above for 28 days from 393 days of age to 420 days of age.
比校区および試験区の双方について、４２０日令にあけ
る産出卵の全てを集卵し、２４時間後に集卵した全ての
卵の卵殻厚および卵殻強度を測定した。All eggs produced at the age of 420 days were collected in both the Hiroshima area and the test area, and the eggshell thickness and eggshell strength of all the eggs collected 24 hours later were measured.
なお、卵殻厚の測定は市販の測定器（富士平］二業（Ｉ
Ｉ製、ＦＨＫ測定器）を用いて行ない、卵の鋭端、中央
、鈍端の各部分をそれぞれ１筒所ずつ測定器により測定
し、その平均値をとったものを卵殻厚とした。また、卵
殻強度の測定は破壊試験器（富士手工業（体製、ＦＨＫ
破壊試験器）を用いて行ない、卵の長径方向に圧力を加
えて測定した破卵圧力を卵殻強度とした。The eggshell thickness can be measured using a commercially available measuring device (Fujihei) Nigyo (I
The egg shell thickness was determined by taking the average value of the measurements taken at each of the acute, central, and blunt ends of the egg. In addition, eggshell strength can be measured using a destructive tester (Fuji Hand Industry Co., Ltd., FHK).
The egg-breaking pressure measured by applying pressure in the longitudinal direction of the egg was defined as the eggshell strength.
測定結果は表−１に示すとおりで、Ｌ−トリプトファン
の添加により卵殻が厚くなり、卵殻強度の向上が有意に
認められた（ｐ＜０．０５）。The measurement results are shown in Table 1, and the addition of L-tryptophan made the eggshell thicker, and a significant improvement in eggshell strength was observed (p<0.05).
実施例２
５００日令の産卵鶏（デカルブエクセルリンク）を１０
羽づつ２群（比較区および試験区とする。）に分け、比
較区にはトウ・Ｅロコシ８６゜３％、大豆油粕６．３％
、魚粉８．０％、その他１９．４％よりなる市販の産卵
鶏用飼料（ＣＰ ： １７％、ＭＥ：２９００ｋｃａｌ
／ｋｇ）を、また試験区には、上記産卵鶏用飼料に遊離
型１−トリプトファン１０００ｐｐ＋ｎを添加混合した
飼料を、５００日令から５５９日令まで６０［１間給餌
した。Example 2 10 500-day-old laying hens (DeKalb Excel Link)
The feathers were divided into two groups (comparison group and test group), and the comparison group contained Tou/E Rokoshi 86°3% and soybean oil cake 6.3%.
Commercially available feed for laying hens (CP: 17%, ME: 2900kcal) consisting of 8.0% fish meal and 19.4% other ingredients.
The test plots were fed a feed prepared by adding 1000 pp+n of free 1-tryptophan to the above-mentioned egg-laying hens feed for 60 hours from 500 days of age to 559 days of age.
Ｌ−トリア１〜フアン添加１８６０日日（５５９日令）
に産んだ卵を全て集卵し、２４時間後に卵殻厚および卵
殻強度を実施例１と同様に測定した。L-tria 1 to Juan addition 1860 days (559 days old)
All eggs laid were collected, and 24 hours later, eggshell thickness and eggshell strength were measured in the same manner as in Example 1.
測定結果を表−２に示−す。The measurement results are shown in Table 2.
Ｌ−トリプトファン添加により卵殻が厚くなるとともに
卵殻強度の向上が認められた。Addition of L-tryptophan made the eggshell thicker and improved the eggshell strength.
表−１ ＊：ｐ＜０．０５で有意差あり。Table-1 *: Significant difference at p<0.05.
Ｃ発明の効果］
以上説明したように、Ｌ−トリプトファンおよび／また
はその塩を添加した飼料を産卵鶏または種馬に給餌する
ことにより、鶏卵の卵殻強度を向上することができ、生
産者、流通業者および消費者にとつ゛（゛切実な問題で
あった鶏卵の破卵を低減できるようになった。C Effects of the Invention] As explained above, by feeding laying hens or stallions with feed to which L-tryptophan and/or its salt has been added, the eggshell strength of chicken eggs can be improved, and producers and distributors And for consumers, it has become possible to reduce the number of broken eggs, which was a serious problem.
卵殻強度の向上による破卵の低減は、卵の生産Ｊ３よび
流通の各段階において経済性に大ぎく奇与し、消費者に
とっては衛生士の問題を生じない安全性の高い鶏卵を提
供することができるようになつ ｌこ。The reduction in broken eggs due to improved eggshell strength has a significant impact on economic efficiency at each stage of egg production and distribution, and provides consumers with highly safe eggs that do not cause problems with hygienists. I will be able to do this.
待８′Ｆ出願人 昭和電工株式会社Wait 8'F applicant Showa Denko Co., Ltd.
Claims (1)
た飼料を産卵鶏または種鶏に給餌することを特徴とする
鶏卵の卵殻強度の向上方法。 ２）Ｌ−トリプトファンおよび／またはその塩の飼料へ
の添加量が、１０〜１００００ｐｐｍであることを特徴
とする請求項１記載の卵殻強度の向上方法。[Scope of Claims] 1) A method for improving the eggshell strength of chicken eggs, which comprises feeding laying hens or breeding hens with feed to which L-tryptophan and/or its salt has been added. 2) The method for improving eggshell strength according to claim 1, wherein the amount of L-tryptophan and/or its salt added to the feed is 10 to 10,000 ppm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1031898A JPH02211832A (en) | 1989-02-10 | 1989-02-10 | Method for increasing shell strength of eggs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1031898A JPH02211832A (en) | 1989-02-10 | 1989-02-10 | Method for increasing shell strength of eggs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02211832A true JPH02211832A (en) | 1990-08-23 |
Family
ID=12343832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1031898A Pending JPH02211832A (en) | 1989-02-10 | 1989-02-10 | Method for increasing shell strength of eggs |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02211832A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018531214A (en) * | 2015-07-10 | 2018-10-25 | ラントメネン・アーエス−ファクトール・アーベー | Method for producing egg yolk with a high content of AF-16 |
-
1989
- 1989-02-10 JP JP1031898A patent/JPH02211832A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018531214A (en) * | 2015-07-10 | 2018-10-25 | ラントメネン・アーエス−ファクトール・アーベー | Method for producing egg yolk with a high content of AF-16 |
| US11253552B2 (en) | 2015-07-10 | 2022-02-22 | Lantmännen As-Faktor Ab | Process for producing egg yolk with high content of AF-16 |
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