JP2001029438A - Sterilizing method of animal feed domestic and feed prepared by sterilizing method - Google Patents
Sterilizing method of animal feed domestic and feed prepared by sterilizing methodInfo
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- JP2001029438A JP2001029438A JP11202828A JP20282899A JP2001029438A JP 2001029438 A JP2001029438 A JP 2001029438A JP 11202828 A JP11202828 A JP 11202828A JP 20282899 A JP20282899 A JP 20282899A JP 2001029438 A JP2001029438 A JP 2001029438A
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- Prior art keywords
- feed
- electron beam
- sterilizing
- livestock
- domestic
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- 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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Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は例えば食肉用あるい
は、鶏卵、牛乳採取のために飼育される鶏、豚、牛など
の家畜用の飼料を滅菌するための滅菌法及びその滅菌法
により得られた家畜用飼料に関するものである。The present invention relates to a sterilization method for sterilizing feed for livestock such as chickens, pigs, cows, etc., which are raised for collecting meat, chicken eggs, and milk, and to a method for sterilizing the same. Livestock feed.
【０００２】[0002]
【従来の技術】従来は、食肉用あるいは、鶏卵、牛乳採
取のために飼育される鶏、豚、牛などの家畜用に製造さ
れた配合飼料の滅菌方法としては、飼料工場でギ酸等の
有機酸を配合飼料に添加し、殺菌する方法や、または同
じく飼料工場の一工程で加熱により殺菌する方法がとら
れている。2. Description of the Related Art Conventionally, as a method of sterilizing a compound feed prepared for livestock such as chickens, pigs, and cows raised for collecting meat or chicken eggs and milk, a method of sterilizing an organic compound such as formic acid in a feed factory is known. A method of adding an acid to a compound feed and sterilizing it, or a method of sterilizing the same by heating in a single step of a feed factory, has been adopted.
【０００３】しかし、有機酸を混入する方法だと家畜は
配合飼料と共に、有機酸をも体内に摂取することにな
り、家畜に対して少なからぬ悪影響を与えることとな
る。この悪影響を最小限にとどめるためには、殺菌効果
をある程度犠牲にせざるを得ず、完全殺菌とは言い難
い。一方、加熱滅菌は飼料中の栄養成分の減少、変質を
起こさない程度にとどめる必要から、完全殺菌は困難で
ある。[0003] However, if the method of mixing an organic acid is used, the livestock ingests the organic acid into the body together with the compound feed, which has a considerable adverse effect on the livestock. In order to minimize this adverse effect, the sterilization effect has to be sacrificed to some extent, and it is hard to say that the sterilization is complete. On the other hand, heat sterilization is difficult to completely sterilize because it is necessary to reduce the amount of nutrient components in the feed and to prevent deterioration.
【０００４】また、ラット、マウス、モルモット、ウサ
ギなどを研究用無菌動物として飼育する場合の特殊飼料
を電子線により無菌化している例があるが、線量、滅菌
保証レベルや梱包した外から照射する点などの違いか
ら、本発明が目的とする家畜用配合飼料の連続的な大容
量滅菌には適用できるものではなかった。[0004] Further, there is an example in which a special feed for raising rats, mice, guinea pigs, rabbits and the like as sterile animals for research is sterilized by an electron beam. Due to the differences in the points and the like, the present invention was not applicable to continuous large-scale sterilization of livestock compounded feeds intended by the present invention.
【０００５】[0005]
【発明が解決しようとする課題】近年、食中毒菌を原因
とした集団食中毒として腸管出血性大腸菌Ｏ１５７によ
る集団感染や、鶏卵によるサルモネラ食中毒の増加がみ
られ、早急な対策を望まれている。特に生卵の食習慣が
あるわが国では、その対策が急務であるにもかかわら
ず、現在のところ主要な防止方法は実用されていないの
が現状である。In recent years, outbreaks due to enterohemorrhagic Escherichia coli O157 and an increase in salmonella food poisoning due to chicken eggs have been observed as outbreaks of food poisoning caused by food poisoning bacteria, and prompt measures are required. Especially in Japan, which has a raw egg eating habit, despite the urgent need for countermeasures, at present, no major prevention method has been put to practical use.
【０００６】本発明は、以上のような現状に鑑み、食中
毒菌の主な感染経路である、家畜に与える飼料の製造工
程において、有効な感染防止方法としての家畜用飼料の
滅菌法及び該滅菌法により得られた家畜用飼料を得るこ
とを目的とする。In view of the above situation, the present invention provides a method of sterilizing livestock feed as an effective method of preventing infection in the production process of feed given to livestock, which is the main route of transmission of food poisoning bacteria, and the sterilization method. The purpose is to obtain livestock feed obtained by the method.
【０００７】[0007]
【課題を解決するための手段】請求項１に記載された発
明に係る家畜用飼料の滅菌法は、粉末状又はペレット状
の家畜用配合飼料を電子線照射により滅菌する方法であ
る。The method for sterilizing livestock feed according to the invention described in claim 1 is a method of sterilizing a livestock feed mixture in the form of powder or pellets by electron beam irradiation.
【０００８】請求項２に記載された発明に係る家畜用飼
料の滅菌法は、配合飼料製造コンビナート内において、
粉末状又はペレット状の家畜用配合飼料を搬送する搬送
路上から該飼料に電子線加速器により加速された電子線
を照射して滅菌する方法である。[0008] The method for sterilizing livestock feed according to the present invention according to claim 2 comprises the steps of:
This is a method in which the feed is sterilized by irradiating the feed with an electron beam accelerated by an electron beam accelerator from a conveying path for conveying the livestock compound feed in the form of powder or pellets.
【０００９】請求項３に記載された発明に係る家畜用飼
料は、請求項１又は２に記載された家畜用飼料の滅菌法
により滅菌されたものである。The livestock feed according to the third aspect of the invention is sterilized by the livestock feed sterilization method according to the first or second aspect.
【００１０】[0010]
【発明の実施の形態】本発明は、飼料工場において、そ
の工程中、例えば最終工程において、工程中に設置した
電子線加速器で発生させた電子線を配合飼料に直接照射
することにより、配合飼料中の菌を完全に死滅させるこ
とが出来るとの知見に基づいてなされたものである。BEST MODE FOR CARRYING OUT THE INVENTION The present invention relates to a feed mill in a feed mill by directly irradiating the feed with an electron beam generated by an electron beam accelerator installed during the process, for example, in the final step. It has been made based on the finding that the bacteria in them can be completely killed.
【００１１】尚、用いられる電子線加速器としては、実
用上５〜１０ＭｅＶ，１５０ｋＷ以上の装置が必要であ
る。理論的には、加速電圧及び出力が小さい装置でも殺
菌可能であるが、加速電圧、出力が小さいと照射コスト
が高くなり、実用は困難である。また、配合飼料の梱包
形態についても、クラフト袋、段ボール箱等に梱包した
状態でも殺菌可能であるが、これも配合飼料の輸送・梱
包などコストが必要であり、実用は困難である。As an electron beam accelerator to be used, a device of 5 to 10 MeV and 150 kW or more is required for practical use. Theoretically, it is possible to sterilize even an apparatus having a small acceleration voltage and output, but if the acceleration voltage and output are small, the irradiation cost becomes high and practical use is difficult. Also, as for the form of packing the compound feed, it can be sterilized even in a state of being packed in a kraft bag, a cardboard box, or the like, but this also requires transportation and packing of the compound feed and is difficult to use.
【００１２】この場合、特に、対策を急がれているサル
モネラに対しては、鶏用配合飼料中にサルモネラが存在
していても、電子線照射により、照射線量８ｋＧｙ照射
により飼料中の菌の生残確率を１０−６にできることが
確認された。この１０−６は医療用具などでは通常とさ
れている滅菌レベルである。[0012] In this case, especially for Salmonella for which measures are urgently taken, even if Salmonella is present in the compound feed for chickens, the irradiation dose of 8 kGy is used to irradiate bacteria in the feed with electron beam irradiation. It was confirmed that the survival probability could be 10 -6 . This 10-6 is a sterilization level usually used for medical devices and the like.
【００１３】本発明では、具体的には、粉末状又はペレ
ット状の家畜用配合飼料を搬送する搬送路上から当該飼
料に電子線加速器により加速された電子線を照射して滅
菌する。この様な条件で配合飼料を飼料工場において、
出荷直前に殺菌すると、実用的なコストで連続的に大量
の滅菌を実施することが可能である。In the present invention, specifically, the feed is sterilized by irradiating the feed with an electron beam accelerated by an electron beam accelerator from a conveying path for conveying the livestock compound feed in the form of powder or pellets. Under these conditions, the compound feed is fed at the feed factory.
Sterilization immediately before shipment enables continuous large-scale sterilization at a practical cost.
【００１４】より具体的には、加速電圧１０ＭｅＶ、出
力２００ｋＷの電子線加速機を使用した場合には、電子
線照射窓の下を幅１〜２ｍのコンベア上に載せた、粉末
状、またはペレット状の配合飼料を１０〜１００ｍ／ｍ
ｉｎの速度で通過させ照射することにより、生残確率を
１／１０６に低減させることができる。More specifically, when an electron beam accelerator having an acceleration voltage of 10 MeV and an output of 200 kW is used, a powder or pellet placed on a conveyor having a width of 1 to 2 m below the electron beam irradiation window is used. 10 ~ 100m / m
By passing and irradiating at a speed of in, the survival probability can be reduced to 1/10 6 .
【００１５】尚、コンベア上に載せる粉末状又はペレッ
ト状の配合飼料は、最下層の配合飼料まで電子線照射窓
からの電子線が届くように、コンベア上に薄く均一に広
げられて電子線照射窓の下を通過する。好ましくは、前
記条件では、５〜６cmの厚さに広げられる。The powdered or pellet-shaped compound feed placed on the conveyor is spread thinly and evenly on the conveyor so that the electron beam from the electron beam irradiation window reaches the lowermost layer of the compound feed. Pass under the window. Preferably, under said conditions, it is spread to a thickness of 5 to 6 cm.
【００１６】[0016]
【実施例】図１は本発明の滅菌法を用いた飼料工場にお
ける家畜配合飼料の生産工程の一実施例を示す説明図で
ある。図２は図１の要部の構成を説明する説明図であ
る。家畜用飼料は、それを構成する穀類、肉粉、魚粉、
青菜粉等を予め定められた割合で混合される。FIG. 1 is an explanatory view showing one embodiment of a livestock blended feed production process in a feed factory using the sterilization method of the present invention. FIG. 2 is an explanatory diagram illustrating the configuration of the main part of FIG. Livestock feed consists of grains, meat meal, fish meal,
Green vegetables and the like are mixed in a predetermined ratio.
【００１７】図１に示す通り、構成される個々の原料(1
1)は、原料取り入れ口(12)から個々の原料タンク(13)に
搬送される。各原料タンク(13)の下部には計量器(14)が
設置され、個々の原料タンク(13)から予め定められた量
の個々の原料を計量し、ミキサー(15)に搬送される。As shown in FIG. 1, the individual raw materials (1
1) is conveyed from the raw material intake (12) to the individual raw material tanks (13). A measuring device (14) is provided below each raw material tank (13), and a predetermined amount of each raw material is measured from each raw material tank (13) and transported to a mixer (15).
【００１８】ミキサー(15)でよく混合された飼料は搬送
路(16)を通って、一時保管装置（サイロ）(17)のホッパ
ー内に搬送され、バルク車と呼ばれるトラック(18)に積
載され、移送される。The feed well mixed by the mixer (15) is transported through a transport path (16) into a hopper of a temporary storage device (silo) (17) and loaded on a truck (18) called a bulk truck. Is transported.
【００１９】本実施例では、ミキサー(15)からサイロ(1
7)に搬送する搬送路(16)中に電子線照射窓(20)を備え
る。図２に示す通り、配合飼料(21)を搬送する搬送路(1
6)を構成するコンベア(22)の途中に電子線照射窓(20)を
コンベア搬送面に向けて備える。この電子照射窓(20)か
ら、電子線加速器(23)によって加速された電子線がコン
ベア搬送面へ向かって照射される。In this embodiment, the silo (1) is supplied from the mixer (15).
An electron beam irradiation window (20) is provided in a transfer path (16) for transferring to (7). As shown in FIG. 2, the transport path (1) for transporting the compound feed (21)
An electron beam irradiation window (20) is provided in the middle of the conveyor (22) constituting 6) so as to face the conveyor transport surface. The electron beam accelerated by the electron beam accelerator (23) is emitted from the electron irradiation window (20) toward the conveyor transport surface.
【００２０】本実施例においては、加速電圧１０Ｍｅ
Ｖ、出力２００ｋＷの電子線加速機(23)を使用し、電子
線照射窓(20)の下を幅１〜２ｍのコンベア上に載せた、
粉末状、またはペレット状の配合飼料を１０〜１００ｍ
／ｍｉｎの速度で通過させ照射する構成とした。In this embodiment, the acceleration voltage is 10 Me
V, using an electron beam accelerator (23) with a power of 200 kW, placed on a conveyor having a width of 1 to 2 m below the electron beam irradiation window (20).
Powdered or pellet-form compound feed 10-100m
/ Min.
【００２１】コンベア搬送面上に載せられる配合飼料
は、最下層の配合飼料まで電子線照射窓からの電子線が
届くように、コンベア搬送面上に５〜６cmの厚さに略均
一に広げられて電子線照射窓(20)の下を通過する構成と
した。The compound feed placed on the conveyor conveying surface is spread almost uniformly to a thickness of 5 to 6 cm on the conveyor conveying surface so that the electron beam from the electron beam irradiation window reaches the lowermost compound feed. Thus, it passes under the electron beam irradiation window (20).
【００２２】この様な条件で配合飼料を飼料工場におい
て、出荷直前に殺菌すると、実用的なコストで連続的に
大量の滅菌を実施することが可能となる。なお、このと
き用いられる電子線加速器については、実用上５〜１０
ＭｅＶ，１５０ｋＷ以上の装置が必要である。理論的に
は加速電圧及び出力が小さい装置でも殺菌可能である
が、加速電圧、出力が小さいと照射コストが高くなり、
実用は困難である。また、配合飼料の梱包形態について
も、クラフト袋、段ボール箱等に梱包した状態でも殺菌
可能であるが、これも配合飼料の輸送・梱包などコスト
が必要であり、商業レベルでの実用は困難である。If the compound feed is sterilized in the feed factory immediately before shipment under such conditions, it is possible to continuously sterilize a large amount at practical cost. The electron beam accelerator used at this time is practically 5 to 10
A device of MeV, 150 kW or more is required. Theoretically, it is possible to sterilize even a device with a small acceleration voltage and output, but if the acceleration voltage and output are small, the irradiation cost increases,
Practical is difficult. In addition, compounded feed can be sterilized even when packed in craft bags, cardboard boxes, etc., but this also requires transportation and packing of the compounded feed, which makes practical use on a commercial level difficult. is there.
【００２３】図３は電子線によるサルモネラの殺菌効果
を説明する線図である。図に示す通り、対策を急がれて
いるサルモネラに対しては、例えば鶏用配合飼料中にサ
ルモネラが存在していても、電子線照射により、照射線
量８ｋＧｙ照射により飼料中の菌の生残確率を１０−６
にできることが確認された。この１０−６は医療用具な
どでは通常とされている滅菌レベルである。FIG. 3 is a diagram illustrating the sterilizing effect of Salmonella by an electron beam. As shown in the figure, for Salmonella for which measures are urgently required, for example, even if Salmonella is present in the compound feed for chickens, the survival of bacteria in the feed can be achieved by irradiation with an electron beam at an irradiation dose of 8 kGy. Probability 10-6
It was confirmed that it could be done. This 10-6 is a sterilization level usually used for medical devices and the like.
【００２４】以上の通り、本発明により、飼料工場出荷
時の段階で配合飼料を電子線照射する事により、飼料を
通じた家畜への菌の感染経路の内、配合飼料出荷時点で
飼料中に菌が存在しないことは保証できる。従って、本
発明により、今後は飼料工場の物流ルート下流側である
養鶏場、あるいは牧場のえさ場の清浄化に注力すれば、
鶏卵、豚肉、牛肉及び牛乳等へのサルモネラ感染等、食
中毒菌の感染を完全に防止することができる。As described above, according to the present invention, by irradiating the compound feed at the stage of shipping the feed factory with the electron beam, the bacteria in the feed at the time the compound feed is shipped out of the routes of fungal infection of livestock through the feed. Can be guaranteed not to exist. Therefore, according to the present invention, if the future focus on the purification of poultry farms or ranches on the downstream of the distribution route of feed mills,
It is possible to completely prevent infection by food poisoning bacteria such as salmonella infection to chicken eggs, pork, beef and milk.
【００２５】[0025]
【発明の効果】本発明は以上説明した通り、食中毒菌の
主な感染経路である、家畜に与える飼料の製造工程にお
いて、有効な感染防止方法としての家畜用飼料の滅菌法
及び該滅菌法により得られた家畜用飼料を得ることがで
きるという効果がある。Industrial Applicability As described above, the present invention provides a method of sterilizing livestock feed as an effective method of preventing infection in a production process of feed to livestock, which is a main route of transmission of food poisoning bacteria, and a method of sterilizing the feed. There is an effect that the obtained livestock feed can be obtained.
【図１】本発明の滅菌法を用いた飼料工場における家畜
配合飼料の生産工程の一実施例を示す説明図である。FIG. 1 is an explanatory view showing one embodiment of a livestock blended feed production process in a feed factory using the sterilization method of the present invention.
【図２】図１の要部の構成を説明する説明図である。FIG. 2 is an explanatory diagram illustrating a configuration of a main part of FIG. 1;
【図３】電子線によるサルモネラの殺菌効果を説明する
線図である。FIG. 3 is a diagram illustrating a sterilizing effect of Salmonella by an electron beam.
(11)…原料、 (12)…原料取り入れ口、 (13)…原料タンク、 (14)…計量器、 (15)…ミキサー、 (16)…搬送路、 (17)…一時保管装置（サイロ）、 (18)…トラック、 (20)…電子線照射窓、 (21)…配合飼料、 (22)…コンベア、 (23)…電子線加速器、 (11)… raw material, (12)… raw material intake, (13)… raw material tank, (14)… weigher, (15)… mixer, (16)… transport path, (17)… temporary storage device (silo) ), (18) Truck, (20) Electron irradiation window, (21) Formula feed, (22) Conveyor, (23) Electron accelerator,
───────────────────────────────────────────────────── フロントページの続き Ｆターム(参考） 4C058 AA30 BB06 EE03 EE23 KK01 KK11 KK22 KK45 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 4C058 AA30 BB06 EE03 EE23 KK01 KK11 KK22 KK45
Claims (3)
を電子線照射により滅菌することを特徴とする家畜用飼
料の滅菌法。1. A method of sterilizing livestock feed, comprising sterilizing a powdered or pelletized livestock compounded feed by electron beam irradiation.
を搬送する搬送路上から該飼料に電子線加速器により加
速された電子線を照射して滅菌することを特徴とする家
畜用飼料の滅菌法。2. A method of sterilizing livestock feed, which comprises irradiating the feed with an electron beam accelerated by an electron beam accelerator from a conveying path for conveying a powdered or pelletized livestock compounded feed. .
の滅菌法により滅菌されたことを特徴とする家畜用飼
料。3. A livestock feed that has been sterilized by the method for sterilizing livestock feed according to claim 1 or 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11202828A JP2001029438A (en) | 1999-07-16 | 1999-07-16 | Sterilizing method of animal feed domestic and feed prepared by sterilizing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11202828A JP2001029438A (en) | 1999-07-16 | 1999-07-16 | Sterilizing method of animal feed domestic and feed prepared by sterilizing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2001029438A true JP2001029438A (en) | 2001-02-06 |
Family
ID=16463874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11202828A Pending JP2001029438A (en) | 1999-07-16 | 1999-07-16 | Sterilizing method of animal feed domestic and feed prepared by sterilizing method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2001029438A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120282379A1 (en) * | 2009-10-14 | 2012-11-08 | Xyleco, Inc. | Producing Edible Residues From Ethanol Production |
-
1999
- 1999-07-16 JP JP11202828A patent/JP2001029438A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120282379A1 (en) * | 2009-10-14 | 2012-11-08 | Xyleco, Inc. | Producing Edible Residues From Ethanol Production |
| JP2013507923A (en) * | 2009-10-14 | 2013-03-07 | キシレコ インコーポレイテッド | Process for producing edible residues from ethanol production |
| JP2017012182A (en) * | 2009-10-14 | 2017-01-19 | キシレコ インコーポレイテッド | Producing method of edible residues from ethanol production |
| US9961921B2 (en) * | 2009-10-14 | 2018-05-08 | Xyleco, Inc. | Producing edible residues from ethanol production |
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