JP2010154854A - FEED ADDITIVE FOR ENHANCING RATE OF ACCUMULATION OF gamma-LINOLENIC ACID IN POULTRY PRODUCT AND FEED COMPOSITION CONTAINING THE SAME - Google Patents

FEED ADDITIVE FOR ENHANCING RATE OF ACCUMULATION OF gamma-LINOLENIC ACID IN POULTRY PRODUCT AND FEED COMPOSITION CONTAINING THE SAME Download PDF

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JP2010154854A
JP2010154854A JP2009280287A JP2009280287A JP2010154854A JP 2010154854 A JP2010154854 A JP 2010154854A JP 2009280287 A JP2009280287 A JP 2009280287A JP 2009280287 A JP2009280287 A JP 2009280287A JP 2010154854 A JP2010154854 A JP 2010154854A
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seed oil
evening primrose
linolenic acid
primrose seed
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JP4989712B2 (en
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Sang Ho Kim
サン−ホ キム
Hyun Soo Kim
ヒュン−ソ キム
Geun Ho Kang
グン−ホ カン
Ji Hyuk Kim
ジ−ヒョク キム
Jae Cheon Na
ジェ−チョン ナ
Dong Jo Yu
ドン−ジョ ユ
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    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K10/00—Animal feeding-stuffs
    • A23K10/30—Animal feeding-stuffs from material of plant origin, e.g. roots, seeds or hay; from material of fungal origin, e.g. mushrooms
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
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    • A23K50/00—Feeding-stuffs specially adapted for particular animals
    • A23K50/70—Feeding-stuffs specially adapted for particular animals for birds
    • A23K50/75—Feeding-stuffs specially adapted for particular animals for birds for poultry
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    • Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a feed additive with which expense bearing of stock farmers can be reduced by minimizing use of expensive evening primrose seed oil and productivity of livestock can be raised by improving a rate of accumulation of γ-linolenic acid in the livestock, and a feed composition containing the same. <P>SOLUTION: The feed additive reinforced with γ-linolenic acid comprises liquid or powdery emulsified evening primrose seed oil obtained by diluting the evening primrose seed oil and subsequently concentrating the same, powdery hulls added in order to be mixed with the evening primrose seed oil and pulverize the mixture and an excipient added in order to mix the emulsified evening primrose seed oil with the powdery hulls to bring the mixture to a powdery formulation. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

本発明は、養鶏生産物中のγ−リノレン酸の蓄積率を向上させるための飼料添加剤に関するもので、より詳しくは、家畜の生産性を向上させるために、γ−リノレン酸の蓄積率を高めることができる乳化月見草種子油の粉末を含む飼料添加剤に関する。   The present invention relates to a feed additive for improving the accumulation rate of γ-linolenic acid in poultry farming products, and more specifically, to increase the accumulation rate of γ-linolenic acid in order to improve the productivity of livestock. The present invention relates to a feed additive comprising a powder of emulsified evening primrose seed oil that can be enhanced.

γ−リノレン酸（１８：３ｎ−６、γ−ｌｉｎｏｌｅｎｉｃ ａｃｉｄ）は、皮膚老化防止、アトピー性皮膚炎の改善、血行改善、高血圧防止、及び骨粗鬆症の防止などに様々な効果を有する機能性物質としてよく知られている。γ−リノレン酸はオメガ６脂肪酸の一種であって、生体内で合成できない。したがって、γ−リノレン酸は必ず食品から摂取しなければならない必須脂肪酸である。   γ-linolenic acid (18: 3n-6, γ-linolenic acid) is a functional substance having various effects for preventing skin aging, improving atopic dermatitis, improving blood circulation, preventing hypertension, and preventing osteoporosis. well known. γ-Linolenic acid is a kind of omega-6 fatty acid and cannot be synthesized in vivo. Therefore, γ-linolenic acid is an essential fatty acid that must be taken from food.

上述したように、γ−リノレン酸の様々な機能が明らかになり、γ−リノレン酸は人体に必要な健康補助剤として常用されている。一方、家畜の場合、家畜の生産性を高めるために、家畜にγ−リノレン酸を含む月見草種子油を直接給与したり、レシチンのような乳化剤を用いて飼料添加剤の形態に加工して給与したりしている。   As described above, various functions of γ-linolenic acid are clarified, and γ-linolenic acid is commonly used as a health aid necessary for the human body. In the case of livestock, on the other hand, in order to increase the productivity of livestock, evening primrose seed oil containing γ-linolenic acid is fed directly to the livestock, or processed into a feed additive form using an emulsifier such as lecithin. I do.

γ−リノレン酸を含有する原料はほとんどを輸入に依存しており、高価である。さらに月見草種子油を家畜へ直接給与し、または乳化して飼料に添加する方法は、γ−リノレン酸の実際の給与量対比家畜中の蓄積率が非常に低いという問題点がある。   Most raw materials containing γ-linolenic acid depend on imports and are expensive. Furthermore, the method of directly feeding evening primrose seed oil to livestock or emulsifying and adding it to feed has a problem that the accumulation rate of γ-linolenic acid in the livestock is very low compared to the actual feed amount.

こうした従来技術の問題点に鑑み、本発明者らは家畜中のγ−リノレン酸の蓄積率を効率的に高めることができる飼料を開発するための鋭意研究を重ねた結果、本発明を完成するに至った。   In view of such problems of the prior art, the present inventors completed the present invention as a result of intensive studies for developing a feed that can efficiently increase the accumulation rate of γ-linolenic acid in livestock. It came to.

本発明は、月見草種子油を含有するγ−リノレン酸強化飼料添加剤を提供することを目的とする。   An object of the present invention is to provide a γ-linolenic acid enriched feed additive containing evening primrose seed oil.

本発明の他の目的は、飼料添加剤を含む飼料組成物を提供することにある。   Another object of the present invention is to provide a feed composition containing a feed additive.

本発明のまた他の目的は、飼料添加剤を製造する方法を提供することにある。   Another object of the present invention is to provide a method for producing a feed additive.

本発明の一実施形態によれば、月見草種子油が水で希釈した後に濃縮して得られる液状または粉末状の乳化月見草種子油と、乳化月見草種子油と混合して粉末化するための籾殻粉末と、乳化月見草種子油及び籾殻粉末と混合して粉末剤形化するための賦形剤と、を含むγ−リノレン酸強化飼料添加剤が提供される。   According to one embodiment of the present invention, a liquid or powdered emulsified evening primrose seed oil obtained by diluting evening primrose seed oil with water and concentrating it, and a rice husk powder for mixing with the emulsified evening primrose seed oil to form a powder And an excipient for mixing with emulsified evening primrose seed oil and rice husk powder to form a powder formulation, a γ-linolenic acid enriched feed additive is provided.

本発明の一実施形態によれば、飼料添加剤は、家禽類の給与用飼料に添加することができる。   According to one embodiment of the present invention, feed additives can be added to feed for poultry feeding.

本発明の一実施形態によれば、乳化月見草種子油は、全飼料添加剤の総質量に対して２０〜４０質量％含まれることが好ましい。   According to one embodiment of the present invention, the emulsified evening primrose seed oil is preferably contained in an amount of 20 to 40% by mass with respect to the total mass of all feed additives.

本発明の他の実施形態によれば、本発明による飼料添加剤を含有するγ−リノレン酸強化飼料組成物が提供される。   According to another embodiment of the present invention, there is provided a γ-linolenic acid enriched feed composition containing the feed additive according to the present invention.

本発明のまた他の実施形態によれば、月見草種子油を乳化剤及び水と混合して月見草種子油の希釈液を製造するステップと、月見草種子油の希釈液を濃縮して液状または粉末状の乳化月見草種子油を得るステップと、液状または粉末状の乳化月見草種子油を籾殻粉末及び粉末剤形のための賦形剤と混合して粉末化するステップと、を含むγ−リノレン酸強化飼料添加剤の製造方法が提供される。   According to still another embodiment of the present invention, a step of mixing evening primrose seed oil with an emulsifier and water to produce a dilution of evening primrose seed oil, and concentrating the dilution of evening primrose seed oil into a liquid or powdered form. Γ-linolenic acid-enriched feed addition comprising the steps of obtaining emulsified evening primrose seed oil and mixing liquid or powdered emulsified evening primrose seed oil with rice husk powder and excipients for powder dosage form A method for producing the agent is provided.

本発明の一実施形態によれば、乳化月見草種子油は、全飼料添加剤の総質量に対して２０〜４０質量％含まれることが好ましい。   According to one embodiment of the present invention, the emulsified evening primrose seed oil is preferably contained in an amount of 20 to 40% by mass with respect to the total mass of all feed additives.

本発明の一実施形態によれば、籾殻粉末は、全飼料添加剤の総質量に対して３０〜３５質量％含まれることが好ましい。   According to one embodiment of the present invention, the rice husk powder is preferably included in an amount of 30 to 35% by mass with respect to the total mass of all feed additives.

本発明の一実施形態によれば、月見草種子油、水、及び乳化剤の質量％比は、５０〜６０％：４０〜７０％：０．１〜１０％であることが好ましい。   According to one embodiment of the present invention, the mass% ratio of evening primrose seed oil, water, and emulsifier is preferably 50-60%: 40-70%: 0.1-10%.

本発明の一実施形態によれば、乳化剤は、全飼料添加剤の総質量に対して０．１〜５質量％のソルビタン脂肪酸エステル、０．１〜５質量％のポリオキシエチレンソルビタン脂肪酸エステル、及び０．１〜１質量％のポリオキシエチレングリセリンモノオレエートを含むことが好ましい。   According to one embodiment of the present invention, the emulsifier is 0.1 to 5% by weight sorbitan fatty acid ester, 0.1 to 5% by weight polyoxyethylene sorbitan fatty acid ester, based on the total weight of all feed additives, And 0.1 to 1% by mass of polyoxyethylene glycerin monooleate.

本発明の一実施形態によれば、乳化月見草種子油を得るステップは、月見草種子油の希釈液を高濃度に濃縮する濃縮ステップと、濃縮された希釈液を撹拌して液状または粉末状の乳化月見草種子油を得るステップと、を含むことができる。   According to an embodiment of the present invention, the step of obtaining emulsified evening primrose seed oil includes a concentration step of concentrating a diluted solution of evening primrose seed oil to a high concentration, and emulsifying the concentrated diluted solution in a liquid or powder form. Obtaining evening primrose seed oil.

本発明の一実施形態によれば、飼料添加剤は、養鶏生産物を生産するための家禽類の給与用飼料に添加することができる。   According to one embodiment of the invention, the feed additive can be added to poultry feed for producing poultry products.

本発明の実施形態によれば、高価の月見草種子油の使用を最小化しながらも、給与対象である家畜中のγ−リノレン酸の蓄積率を向上できるため、畜産農家の費用負担を軽減し、家畜の生産性を高めることができる。   According to the embodiment of the present invention, while minimizing the use of expensive evening primrose seed oil, it is possible to improve the accumulation rate of γ-linolenic acid in livestock to be fed, thus reducing the cost burden of livestock farmers, Livestock productivity can be increased.

なお、この発明の概要は、本発明の必要な特徴の全てを列挙したものではない。また、これらの特徴群のサブコンビネーションもまた、発明となりうる。   The summary of the present invention does not enumerate all necessary features of the present invention. In addition, a sub-combination of these feature groups can also be an invention.

本発明の一実施例に係るγ−リノレン酸強化飼料添加剤の製造方法を示す工程図である。It is process drawing which shows the manufacturing method of the (gamma) -linolenic acid reinforcement | strengthening feed additive which concerns on one Example of this invention. 図１の方法により製造されたγ−リノレン酸強化飼料添加剤を剤形化したイメージである。FIG. 2 is an image of γ-linolenic acid enriched feed additive produced by the method of FIG. 表１、２の給与条件による鶏卵中のγ−リノレン酸の蓄積効果を示すグラフである。It is a graph which shows the accumulation effect of (gamma)-linolenic acid in a chicken egg by the feed conditions of Tables 1 and 2. 表３、４の鶏肉の手羽肉中のγ−リノレン酸の蓄積効果を示すグラフである。It is a graph which shows the accumulation effect of (gamma)-linolenic acid in the chicken wings of Tables 3 and 4. 表３、４の鶏肉のもも肉中のγ−リノレン酸の蓄積効果を示すグラフである。It is a graph which shows the accumulation effect of (gamma)-linolenic acid in the meat of the chicken of Tables 3 and 4.

本発明は多様な変換を加えることができ、様々な実施例を有することができるため、本願では特定実施例を図面に例示し、詳細に説明する。しかし、本発明は特定の実施形態に限定されるものではなく、本発明の思想及び技術範囲に含まれるあらゆる変換、均等物及び代替物を含むものとして理解されるべきである。   Since the present invention can be modified in various ways and can have various embodiments, specific embodiments are illustrated in the drawings and described in detail herein. However, the present invention is not limited to the specific embodiments, but should be understood as including all conversions, equivalents, and alternatives that fall within the spirit and scope of the present invention.

本願で用いた用語は、単に特定の実施例を説明するために用いたものであって、本発明を限定するものではない。単数の表現は、文の中で明らかに表現しない限り、複数の表現を含む。本願において、「含む」または「有する」などの用語は明細書上に記載された特徴、数字、段階、動作、構成要素、部品、またはこれらを組合せたものの存在を指定するものであって、一つまたはそれ以上の他の特徴や数字、段階、動作、構成要素、部品、またはこれらを組合せたものの存在または付加可能性を予め排除するものではないと理解しなくてはならない。   The terms used in the present application are merely used to describe particular embodiments, and are not intended to limit the present invention. A singular expression includes the plural expression unless it is explicitly expressed in a sentence. In this application, terms such as “comprising” or “having” specify the presence of a feature, number, step, action, component, part, or combination thereof described in the specification, and It should be understood that the existence or additional possibilities of one or more other features or numbers, steps, operations, components, parts, or combinations thereof are not excluded in advance.

他に定義しない限り、技術的または科学的用語を含んで、ここで用いられる全ての用語は、本発明が属する技術分野で通常の知識を有する者によって一般的に理解されるものと同一の意味を有する。   Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Have

一般的に用いられる予め定義しているような用語は、関連技術の文脈上の意味と一致する意味を有すると解釈すべきで、本願で明らかに定義しない限り、理想的または過度に形式的意味に解釈しない。   Commonly used terms such as those previously defined should be construed to have a meaning consistent with the contextual meaning of the related art and, unless expressly defined herein, ideal or over formal meaning Do not interpret.

以下、添付した図面に基づいて、本発明の一実施例である家畜中のγ−リノレン酸の蓄積率を向上させる飼料添加剤、これを含む飼料組成物、及びその製造方法について詳細に説明する。   Hereinafter, a feed additive for improving the accumulation rate of γ-linolenic acid in livestock, a feed composition including the same, and a method for producing the same will be described in detail with reference to the accompanying drawings. .

まず、本実施例において家畜用飼料は飼料内容物と飼料添加剤とを含む。飼料内容物とは、家畜の餌として提供される一般的なものをいう。   First, in this embodiment, the livestock feed includes feed contents and feed additives. The feed content means a general food provided for livestock.

飼料添加剤は、液状または粉末状の乳化月見草種子油、籾殻粉末、及び添加剤を含む。   Feed additives include liquid or powdered emulsified evening primrose seed oil, rice husk powder, and additives.

乳化月見草種子油は、月見草種子油を高濃度に濃縮して液状または粉末状にしたものである。また、乳化月見草種子油は、γ−リノレン酸（１８：３ｎ−６、γ−ｌｉｎｏｌｅｎｉｃ ａｃｉｄ）を含む。   The emulsified evening primrose seed oil is obtained by concentrating evening primrose seed oil in a high concentration into a liquid or powder form. Moreover, emulsified evening primrose seed oil contains γ-linolenic acid (18: 3n-6, γ-linolenic acid).

籾殻粉末は、通常、飼料に含まれるもので、稲の実の外皮を指す。籾殻粉末は、液状または粉末状の乳化月見草種子油と混合されて粉末形態に剤形化するためのものである。   Rice husk powder is usually contained in feed and refers to the outer skin of rice. The rice husk powder is mixed with a liquid or powdered emulsified evening primrose seed oil to form a powder form.

粉末剤形のための賦形剤としてはシリカを用いることができる。本発明による飼料添加剤は、給与対象の家畜に必要とされるミネラル、栄養素などを含むことができる。   Silica can be used as an excipient for the powder dosage form. The feed additive according to the present invention may contain minerals, nutrients and the like required for livestock to be fed.

また、本発明によるγ−リノレン酸強化飼料添加剤は、鶏肉、鶏卵などを生産する家禽類の給与用飼料に混合することができる。   Moreover, the γ-linolenic acid-enriched feed additive according to the present invention can be mixed with feed for poultry that produces chicken and eggs.

次に本発明を実施例を通して詳しく説明するが、これら実施例はただ本発明を例示するためのものであって、本発明の範囲がこれら実施例により制限されるものではない。   EXAMPLES Next, the present invention will be described in detail through examples, but these examples are only for illustrating the present invention, and the scope of the present invention is not limited by these examples.

飼料添加剤の製造方法
図１は、本発明の一実施例による飼料添加剤の製造方法を示す工程図である。 Method for Producing Feed Additive FIG. 1 is a process diagram showing a method for producing a feed additive according to one embodiment of the present invention.

図１を参照すると、本実施例による飼料添加剤の製造方法では、先ず、月見草種子油を水と混合して月見草種子油の希釈液を製造する。月見草種子油は家畜に蓄積しようとするγ−リノレン酸を含む。月見草種子油に含まれているγ−リノレン酸の含量は約８〜１０％であると報告されている（Ｊｏｕｒｎａｌ ｏｆ Ｋｏｒｅａｎ Ｓｏｃｉｅｔｙ ｏｆ Ｃｒｏｐ Ｓｃｉｅｎｃｅ ３５２ １７６−１７８）。具体的に、γ−リノレン酸の含量が約８〜１０％である液状の月見草種子油と水を混合して月見草種子油の希釈液を製造する。   Referring to FIG. 1, in the method for producing a feed additive according to the present embodiment, firstly evening primrose seed oil is mixed with water to produce a diluted evening primrose seed oil. Evening primrose seed oil contains γ-linolenic acid which tends to accumulate in livestock. It has been reported that the content of γ-linolenic acid contained in evening primrose seed oil is about 8-10% (Journal of Korean Society of Crop Science 352 176-178). Specifically, a liquid evening primrose seed oil having a content of γ-linolenic acid of about 8 to 10% and water are mixed to produce a diluted evening primrose seed oil.

月見草種子油の希釈液を製造するステップにおいて、月見草種子油を水で効果的に希釈するために乳化剤を用いてもよい。乳化剤は、ソルビタン脂肪酸エステル、ポリオキシエチレンソルビタン脂肪酸エステル、及びポリオキシエチレングリセリンモノオレエートを含むことができる。   In the step of preparing a dilution of evening primrose seed oil, an emulsifier may be used to effectively dilute the evening primrose seed oil with water. The emulsifier can include sorbitan fatty acid ester, polyoxyethylene sorbitan fatty acid ester, and polyoxyethylene glycerin monooleate.

また、乳化剤は、水と効果的に希釈されるように、月見草種子油の含量に応じて様々な濃度比率で適用することができる。月見草種子油：水：乳化剤の好ましい質量％濃度比率は５０〜６０％：４０〜７０％：０．１〜１０％である。   Also, the emulsifier can be applied in various concentration ratios depending on the content of evening primrose seed oil so as to be effectively diluted with water. Evening primrose seed oil: water: The preferred mass% concentration ratio of emulsifier is 50-60%: 40-70%: 0.1-10%.

また、乳化剤は０．１〜５質量％のソルビタン脂肪酸エステル、０．１〜５質量％のポリオキシエチレンソルビタン脂肪酸エステル、及び０．１〜１質量％のポリオキシエチレングリセリンモノオレエートを含むことができる。   Moreover, an emulsifier contains 0.1-5 mass% sorbitan fatty acid ester, 0.1-5 mass% polyoxyethylene sorbitan fatty acid ester, and 0.1-1 mass% polyoxyethylene glycerol monooleate. Can do.

月見草種子油が水で均一に希釈されたか否かを確認するために、多数回の中間テストを行うことができる。中間テストは肉眼でも行うことができる。   A number of intermediate tests can be performed to ascertain whether the evening primrose seed oil has been uniformly diluted with water. Intermediate tests can also be done with the naked eye.

次に、月見草種子油の希釈液を濃縮して乳化月見草種子油を得るステップを行う。乳化月見草種子油を得るステップは濃縮ステップ及び撹拌ステップを含むことができる。   Next, a step of obtaining an emulsified evening primrose seed oil by concentrating a diluted solution of evening primrose seed oil. The step of obtaining emulsified evening primrose seed oil can include a concentration step and a stirring step.

濃縮ステップにおいて、月見草種子油の希釈液を高濃度に濃縮するために濃縮器を用いてもよい。ここで、濃縮器は、月見草種子油の希釈液の特性に応じて、様々に適用することができる。例えば、濃縮器として周辺電動式濃縮器、中央電動式濃縮器などが挙げられる。   In the concentration step, a concentrator may be used to concentrate the evening primrose seed oil dilution to a high concentration. Here, the concentrator can be applied in various ways according to the properties of the diluted evening primrose seed oil. For example, a peripheral electric concentrator, a central electric concentrator, etc. are mentioned as a concentrator.

濃縮された月見草種子油の希釈液に再び４〜９質量％の水を添加し、その後１０，０００ｒｐｍに設定した撹拌器で処理可能である。使用可能な撹拌器は、プロペラ型、アンカー型、タービン型、螺旋軸型など様々であり、ｒｐｍも様々に設定できる。月見草種子油の希釈液は、撹拌器の種類に応じて液状または粉末状の乳化月見草種子油となる。   It is possible to add 4 to 9% by mass of water again to the concentrated evening primrose seed oil dilution, and then treat with a stirrer set to 10,000 rpm. There are various types of agitators that can be used, such as a propeller type, an anchor type, a turbine type, and a helical shaft type, and the rpm can also be set variously. The diluted evening primrose seed oil becomes a liquid or powdered emulsified evening primrose seed oil depending on the type of stirrer.

次に、液状の乳化月見草種子油を粉末化する。粉末化のために乳化月見草種子油、籾殻粉末、及びその他の添加物を混合して粉砕する。ここで、その他の添加物は、賦形剤、ミネラル、栄養素などが挙げられる。   Next, liquid emulsified evening primrose seed oil is pulverized. Emulsified evening primrose seed oil, rice husk powder, and other additives are mixed and ground for powdering. Here, other additives include excipients, minerals, nutrients and the like.

乳化月見草種子油が液状である場合は、籾殻粉末及びその他の添加物と混合して粉砕することができる。乳化月見草種子油が水分を含んだ固状である場合は、粉砕して籾殻粉末及び賦形剤と混合してもよく、籾殻粉末及び賦形剤と混合した後に粉砕してもよい。   When emulsified evening primrose seed oil is liquid, it can be mixed with rice husk powder and other additives and pulverized. When the emulsified evening primrose seed oil is in a solid state containing water, it may be pulverized and mixed with rice husk powder and excipient, or may be pulverized after mixing with rice husk powder and excipient.

乳化月見草種子油、籾殻粉末、及び賦形剤の濃度は様々に設定できる。賦形剤としてシリカを用いてもよく、給与対象の家畜に応じて必要とされるミネラル、栄養素などを添加することができる。   The concentration of emulsified evening primrose seed oil, rice husk powder, and excipients can be variously set. Silica may be used as an excipient, and minerals, nutrients, and the like required depending on the livestock to be fed can be added.

例えば、籾殻粉末は、乳化月見草種子油及びその他の添加物を含む全飼料添加剤の総質量に対して、３０〜３５質量％含まれることができる。   For example, rice husk powder may be included in an amount of 30 to 35% by mass based on the total mass of all feed additives including emulsified evening primrose seed oil and other additives.

ただし、粉末化ステップにおける乳化月見草種子油は、全飼料添加剤に対して２０〜４０質量％含まれることが好ましい。これは、乳化月見草種子油の添加が４０質量％を超過すると、飼料添加剤内の水分含量が高くなって粉末状に剤形化することが困難であり、乳化月見草種子油の添加が２０質量％未満であると、γ−リノレン酸の含量が低くて家畜中に所定水準以上のγ−リノレン酸を蓄積することができないからである。   However, it is preferable that the emulsified evening primrose seed oil in the powdering step is contained in an amount of 20 to 40% by mass with respect to the total feed additive. This is because when the addition of emulsified evening primrose seed oil exceeds 40% by mass, the water content in the feed additive becomes high and it is difficult to form into a powder form, and the addition of emulsified evening primrose seed oil is 20% by mass. If it is less than%, the content of γ-linolenic acid is low and γ-linolenic acid exceeding a predetermined level cannot be accumulated in livestock.

本発明の一実施例によるγ−リノレン酸強化飼料添加剤の効果を検証するために、産卵鶏及び肉鶏を対象として試験を行った。試験条件は、月見草種子油を直接給与する方式と本発明の実施例により飼料添加剤を含む飼料を給与する方式に分けられる。また、飼料添加剤を含む飼料を給与する方式においては、産卵鶏及び肉鶏にそれぞれ異なる添加量の乳化月見草種子油を給与した後に、産卵鶏及び肉鶏中のγ−リノレン酸の蓄積率を比較した。   In order to verify the effect of the γ-linolenic acid-enriched feed additive according to one embodiment of the present invention, tests were conducted on laying hens and meat chickens. The test conditions are divided into a method of directly feeding evening primrose seed oil and a method of feeding a feed containing a feed additive according to the embodiment of the present invention. In addition, in a method of feeding a feed containing a feed additive, after adding different amounts of emulsified evening primrose seed oil to the laying hen and meat chicken, the accumulation rate of γ-linolenic acid in the laying hen and meat chicken is determined. Compared.

＜乳化月見草種子油を含有する粉末飼料の製造方法＞
目的を達成するために、本発明による飼料組成物は、液状のγ−リノレン酸が８〜１０％含まれた月見草種子油（γ−リノレン酸の濃度が８．０５％と公示された月見草種子油を購買（ｗｗｗ．６２ｍａｒｔ．ｃｏ．ｋｒ参照））を用いて乳化した後に剤形化するステップを経て得られる。これを、図１を参照して説明する。 <Method for producing powdered feed containing emulsified evening primrose seed oil>
In order to achieve the object, the feed composition according to the present invention comprises evening primrose seed oil containing 8 to 10% liquid γ-linolenic acid (the evening primrose seed announced to have a concentration of γ-linolenic acid of 8.05%). It is obtained through a step of emulsifying oil using a purchase (see www.62mart.co.kr) and then formulating it. This will be described with reference to FIG.

本発明は、月見草種子油を６０質量％、ソルビタン脂肪酸エステルを５質量％以下、ポリオキシエチレンソルビタン脂肪酸エステルを５質量％以下、及びポリオキシエチレングリセリンモノオレエートを０．５〜１質量％混合した混合物に、水３０〜４０質量％を添加することにより、一次的に液状の乳化月見草種子油を得る。また、最終生産物であるγ−リノレン酸強化飼料組成物を得るために、製造された乳化月見草種子油４０質量％を２５〜３０質量％のシリカと混合し、その後、再び３５〜４０質量％の籾殻を添加して混合した後、粉砕して粉末化したγ−リノレン酸強化養鶏飼料組成物を得る。   In the present invention, 60% by mass of evening primrose seed oil, 5% by mass or less of sorbitan fatty acid ester, 5% by mass or less of polyoxyethylene sorbitan fatty acid ester, and 0.5 to 1% by mass of polyoxyethylene glycerin monooleate By adding 30 to 40% by mass of water to the resulting mixture, a primary liquid emulsified evening primrose seed oil is obtained. Moreover, in order to obtain the γ-linolenic acid-enriched feed composition which is the final product, the produced emulsified evening primrose seed oil 40% by mass is mixed with 25-30% by mass of silica, and then 35-40% by mass again. After adding and mixing rice husks, a γ-linolenic acid-enhanced poultry feed composition pulverized into powder is obtained.

＜飼料添加剤の効果試験＞
［試験例１］産卵鶏に対する給与試験
濃縮された乳化月見草種子油が、籾殻粉末及びその他の添加物の総質量対比２４質量％の濃度を有するように製造されたγ−リノレン酸強化飼料添加剤を産卵鶏に給与した後、仕様試験を行った。 <Effect test of feed additives>
[Test Example 1] Feeding test for laying hens The concentrated emulsified evening primrose seed oil was prepared so that it had a concentration of 24% by mass relative to the total mass of rice husk powder and other additives. Was fed to the laying hen and then a specification test was conducted.

産卵鶏への給与条件は、無添加（比較例１）、月見草種子油を直接給与（γ−リノレン酸含量１２０ｍｇ／飼料１００ｇ、比較例２）、γ−リノレン酸飼料添加剤を給与（γ−リノレン酸含量２０ｍｇ／飼料１００ｇ、実施例１）、γ−リノレン酸飼料添加剤を給与（γ−リノレン酸６０ｍｇ／飼料１００ｇ、実施例２）することであった。給与するγ−リノレン酸の濃度は、購買した月見草種子油に含まれているγ−リノレン酸の濃度が８．０５％であることを考慮し、最終濃度に合わせて希釈して製造したことを表示したものである。   Feeding conditions for laying hens were additive-free (Comparative Example 1), evening primrose seed oil fed directly (γ-linolenic acid content 120 mg / feed 100 g, Comparative Example 2), and γ-linolenic acid feed additive fed (γ- The linolenic acid content was 20 mg / feed 100 g, Example 1), and γ-linolenic acid feed additive was fed (γ-linolenic acid 60 mg / feed 100 g, Example 2). Considering that the concentration of γ-linolenic acid contained in the purchased evening primrose seed oil is 8.05%, the concentration of γ-linolenic acid to be fed is that it was diluted to the final concentration and manufactured. It is displayed.

比較例２において、γ−リノレン酸含量１２０ｍｇは、実施例１と２の飼料添加剤に含まれたγ−リノレン酸含量２０ｍｇと６０ｍｇの相対値である。具体的に、飼料添加剤（実施例１、２）に含まれたγ−リノレン酸含量の６倍及び２倍に該当するγ−リノレン酸が月見草種子油（比較例２）に含まれていることを示す。以下に、試験例を説明する。   In Comparative Example 2, the γ-linolenic acid content of 120 mg is a relative value of the γ-linolenic acid content of 20 mg and 60 mg contained in the feed additives of Examples 1 and 2. Specifically, γ-linolenic acid corresponding to 6 times and 2 times the γ-linolenic acid content contained in the feed additive (Examples 1 and 2) is contained in evening primrose seed oil (Comparative Example 2). It shows that. Hereinafter, test examples will be described.

Figure 2010154854
Figure 2010154854

表１は給与条件による１２週間の産卵鶏の生産性を示す。表１を参照すると、産卵鶏の産卵率は、実施例１と２が比較例１に比べてそれぞれ２％、６％向上された。卵重（鶏卵の質量）は、実施例２が比較例１及び２に比べて重く、飼料要求率は、実施例２が比較例１、２に比べて改善されたことが分かる。   Table 1 shows the productivity of laying hens for 12 weeks depending on the feeding conditions. Referring to Table 1, the egg-laying rate of laying hens was improved by 2% and 6% in Examples 1 and 2 compared to Comparative Example 1, respectively. It can be seen that the egg weight (mass of chicken eggs) was heavier in Example 2 than in Comparative Examples 1 and 2, and the feed requirement was improved in Example 2 as compared with Comparative Examples 1 and 2.

したがって、結果から、乳化月見草種子油が産卵鶏の生産性を向上させる効果を有し、特に本発明によるγ−リノレン酸強化飼料添加剤が含まれた飼料を給与する方法が、月見草種子油を直接給与する方法よりも原料対比生産性をさらに向上することが分かった。   Therefore, from the results, emulsified evening primrose seed oil has the effect of improving the productivity of laying hens, and in particular, the method of feeding a feed containing the γ-linolenic acid-enriched feed additive according to the present invention It was found that productivity compared to raw materials was further improved compared to direct feeding.

Figure 2010154854
Figure 2010154854

表２は、表１における比較例２と実施例１及び２とを、鶏卵中のγ−リノレン酸の蓄積量について比較したものである。比較例１では全期間に亘って鶏卵中にγ−リノレン酸が検出されなかった。   Table 2 compares Comparative Example 2 in Table 1 and Examples 1 and 2 with respect to the accumulated amount of γ-linolenic acid in chicken eggs. In Comparative Example 1, γ-linolenic acid was not detected in chicken eggs over the entire period.

実施例１の場合、γ−リノレン酸含量が比較例２に比べて６分の１に減少したが、鶏卵中のγ−リノレン酸含量は５０％以上に維持された。これに対して、γ−リノレン酸含量を比較例２に対し５０％減少させた実施例２では、月見草種子油の９０％以上のγ−リノレン酸の蓄積効果を示した。   In the case of Example 1, the γ-linolenic acid content was reduced to 1/6 compared to Comparative Example 2, but the γ-linolenic acid content in chicken eggs was maintained at 50% or more. In contrast, Example 2 in which the γ-linolenic acid content was reduced by 50% relative to Comparative Example 2 showed an accumulation effect of γ-linolenic acid in 90% or more of evening primrose seed oil.

図３は、表１、２の給与条件による鶏卵中のγ−リノレン酸の蓄積効果を示す。   FIG. 3 shows the accumulation effect of γ-linolenic acid in chicken eggs under the feeding conditions shown in Tables 1 and 2.

図３を参照すると、γ−リノレン酸の実際給与量に対する卵中の蓄積比率は、実施例１と実施例２において比較例２よりも２４９％、８３％も向上したことが分かる。   Referring to FIG. 3, it can be seen that the accumulation ratio in the egg with respect to the actual amount of γ-linolenic acid was improved by 249% and 83% in Example 1 and Example 2 compared to Comparative Example 2.

［試験例２］肉鶏に対する給与試験
濃縮された乳化月見草種子油が籾殻粉末及びその他の添加物の総質量に対して２４質量％の濃度で含まれるγ−リノレン酸強化飼料添加剤を肉鶏に給与した後、仕様試験を行った。 [Test Example 2] Feeding test for chickens γ-linolenic acid-enriched feed additive containing concentrated emulsified evening primrose seed oil at a concentration of 24% by mass with respect to the total mass of rice husk powder and other additives After paying, a specification test was conducted.

給与方法は、月見草種子油と開発飼料の効果を比較するために、γ−リノレン酸の含量を月見草種子油に対し１／２及び同等とした。肉鶏への給与条件は、無添加（比較例１）、月見草種子油を直接給与（γ−リノレン酸含量８０ｍｇ／飼料１００ｇ、比較例２）、γ−リノレン酸飼料添加剤を給与（γ−リノレン酸含量４０ｍｇ／飼料１００ｇ、実施例１）、γ−リノレン酸飼料添加剤を給与（γ−リノレン酸含量８０ｍｇ／飼料１００ｇ、実施例２）することとした。   In order to compare the effects of evening primrose seed oil and the developed feed, the feeding method was such that the content of γ-linolenic acid was 1/2 or equivalent to that of evening primrose seed oil. Feeding conditions for meat chickens were additive-free (Comparative Example 1), evening primrose seed oil was directly fed (γ-linolenic acid content 80 mg / feed 100 g, Comparative Example 2), and γ-linolenic acid feed additive was fed (γ- The linolenic acid content was 40 mg / feed 100 g, Example 1), and γ-linolenic acid feed additive was fed (γ-linolenic acid content 80 mg / feed 100 g, Example 2).

Figure 2010154854
Figure 2010154854

表３は給与条件による５週間の肉鶏の生産性を示すものである。終了体重は、実施例１と２において比較例１に比べてそれぞれ６％、８％増加し、比較例２と比較しても５％、７％増加した。また、増体量及び飼料要求率は、実施例１と２において、比較例１と２よりも改善した。   Table 3 shows the productivity of chickens for 5 weeks depending on the salary conditions. The end body weight increased in Examples 1 and 2 by 6% and 8%, respectively, compared with Comparative Example 1, and also increased by 5% and 7% compared with Comparative Example 2. In addition, the weight gain and feed request rate were improved in Examples 1 and 2 compared to Comparative Examples 1 and 2.

したがって、乳化月見草種子油が肉鶏の生産性を向上する効果があり、特に本発明によるγ−リノレン酸強化飼料添加剤が含まれた飼料を給与する方法が、月見草種子油を直接給与する方法よりも原料対比肉鶏の生産性をさらに向上することが分かった。   Therefore, emulsified evening primrose seed oil has the effect of improving the productivity of meat chickens, and in particular, the method of feeding a feed containing the γ-linolenic acid-enriched feed additive according to the present invention directly feeds evening primrose seed oil. It was found that the productivity of raw meat relative to chicken was further improved.

Figure 2010154854
Figure 2010154854

表４は肉鶏（もも肉、手羽肉）中のγ−リノレン酸の含量を示す（ｍｇ／飼料１００ｇ単位）。実施例１では、月見草種子油対比γ−リノレン酸含量が比較例２の５０％以下であるが、手羽肉及びもも肉中のγ−リノレン酸の蓄積量は７０％以上である。   Table 4 shows the content of γ-linolenic acid in meat chicken (thigh meat, wing meat) (mg / 100 g of feed). In Example 1, the γ-linolenic acid content relative to evening primrose seed oil was 50% or less of Comparative Example 2, but the accumulated amount of γ-linolenic acid in the wings and thighs was 70% or more.

実施例２では、同一水準の比較例２に比べて、γ−リノレン酸の蓄積率が手羽部位で１３７％を示し、もも部位で１３１％を示した。すなわち、本発明によるγ−リノレン酸強化飼料添加剤が肉鶏中のγ−リノレン酸の蓄積率に効果を有することを確認できた。これにより、月見草種子油を直接給与する方法よりも、γ−リノレン酸強化飼料添加剤を給与する方法がより効果的に肉鶏にγ−リノレン酸を蓄積させることが分かった。   In Example 2, compared with Comparative Example 2 at the same level, the accumulation rate of γ-linolenic acid was 137% at the wing region and 131% at the thigh region. That is, it was confirmed that the γ-linolenic acid-enriched feed additive according to the present invention had an effect on the accumulation rate of γ-linolenic acid in meat chickens. Thus, it was found that the method of feeding the γ-linolenic acid-enriched feed additive more effectively accumulates γ-linolenic acid in meat chickens than the method of feeding evening primrose seed oil directly.

図４及び５は、表３及び４の肉鶏部位（手羽肉及びもも肉）別のγ−リノレン酸の蓄積効果を説明するグラフである。   4 and 5 are graphs for explaining the accumulation effect of γ-linolenic acid according to the meat chicken parts (wing meat and thigh meat) in Tables 3 and 4. FIG.

図４は、月見草種子油対比肉鶏（手羽肉）中のγ−リノレン酸の蓄積効果を示すグラフである。図４を参照すると、肉鶏の手羽肉では、実施例１及び実施例２におけるγ−リノレン酸の蓄積率が、比較例２に対しそれぞれ３７％向上したことが分かる。   FIG. 4 is a graph showing the accumulation effect of γ-linolenic acid in evening primrose seed oil vs. meat chicken (wing meat). Referring to FIG. 4, it can be seen that in the chicken wings, the accumulation rate of γ-linolenic acid in Example 1 and Example 2 was improved by 37% with respect to Comparative Example 2, respectively.

図５は、月見草種子油対比肉鶏（もも肉）中のγ−リノレン酸の蓄積効果を示すグラフである。図５を参照すると、肉鶏のもも肉では、実施例１及び実施例２におけるγ−リノレン酸の蓄積率が、比較例２に対しそれぞれ５０％、３１％向上したことが分かる。月見草種子油とγ−リノレン酸強化飼料添加剤を比較すると、肉鶏中のγ−リノレン酸の蓄積率はγ−リノレン酸強化飼料添加剤が著しく高いことが分かった。   FIG. 5 is a graph showing the accumulation effect of γ-linolenic acid in evening primrose seed oil versus chicken meat (thigh meat). Referring to FIG. 5, it can be seen that in the chicken leg, the accumulation rate of γ-linolenic acid in Example 1 and Example 2 was improved by 50% and 31%, respectively, as compared to Comparative Example 2. Comparing evening primrose seed oil and γ-linolenic acid enriched feed additive, it was found that the accumulation rate of γ-linolenic acid in meat chickens was significantly higher in γ-linolenic acid enriched feed additive.

結果的に、γ−リノレン酸強化飼料添加剤を給与することにより、産卵鶏の産卵率及び卵重を向上させ、飼料要求率を改善するだけでなく、肉鶏の生産性を向上させる。さらに、γ−リノレン酸強化卵及び肉鶏を生産するに当たって、γ−リノレン酸強化飼料添加剤を用いることにより、月見草種子油対比３０％以上のγ−リノレン酸含量の蓄積効果があり、かつ原料使用量を７０％以上低減することができる。   As a result, by feeding the γ-linolenic acid-enriched feed additive, the egg-laying rate and egg weight of the laying hens are improved, and not only the feed demand rate is improved, but also the productivity of the meat chickens is improved. Furthermore, in producing γ-linolenic acid-enriched eggs and meat chickens, by using a γ-linolenic acid-enriched feed additive, there is an accumulation effect of γ-linolenic acid content of 30% or more compared to evening primrose seed oil, and the raw material The amount used can be reduced by 70% or more.

図２は、図１の方法により製造された飼料添加剤を剤形化した図である。   FIG. 2 is a diagram in which a feed additive produced by the method of FIG. 1 is formulated.

剤形化とは、飼料添加剤の形態を使用目的や用途に適した形態にすることである。例えば、飼料添加剤を用いた家畜用飼料は様々な家畜に適用できるため、家畜用飼料の大きさ、水分含量、形態などを考慮して製品化することになり、このような製品化するステップを剤形化ステップという。   Dosage formation means making the form of the feed additive into a form suitable for the intended purpose and application. For example, since livestock feed using feed additives can be applied to various livestock, the product will be commercialized in consideration of the size, moisture content, form, etc. of the livestock feed. Is called the dosage form step.

本発明の一実施例において、飼料添加剤は乳化月見草種子油の粉末を籾殻粉末及びその他の添加物と混合して、液状ではなく、粉末形態に剤形化することができる。   In one embodiment of the present invention, the feed additive may be formulated into a powder form rather than a liquid form by mixing emulsified evening primrose seed oil powder with rice husk powder and other additives.

したがって、本発明による家畜中のγ−リノレン酸の蓄積率を向上させることができる飼料添加剤、これを含む飼料組成物、及びその製造方法は、高価の月見草種子油の使用を最小化して畜産農家の費用負担を軽減し、家畜中の月見草種子油に含まれているγ−リノレン酸の蓄積率を向上させて家畜の生産性を高めることができる。   Therefore, a feed additive capable of improving the accumulation rate of γ-linolenic acid in livestock according to the present invention, a feed composition containing the same, and a method for producing the same, minimize the use of expensive evening primrose seed oil, It is possible to reduce the cost burden on the farmer, improve the accumulation rate of γ-linolenic acid contained in evening primrose seed oil in livestock, and increase livestock productivity.

以上、本発明を実施の形態を用いて説明したが、本発明の技術的範囲は実施の形態に記載の範囲には限定されない。実施の形態に、多様な変更または改良を加えることが可能であることが当業者に明らかである。その様な変更または改良を加えた形態も本発明の技術的範囲に含まれ得ることが、特許請求の範囲の記載から明らかである。   As mentioned above, although this invention was demonstrated using embodiment, the technical scope of this invention is not limited to the range as described in embodiment. It will be apparent to those skilled in the art that various modifications or improvements can be made to the embodiments. It is apparent from the scope of the claims that the embodiments added with such changes or improvements can be included in the technical scope of the present invention.

Claims (11)

月見草種子油を水で希釈した後に濃縮して得られた液状または粉末状の乳化月見草種子油と、
前記乳化月見草種子油と混合して粉末化するための籾殻粉末と、
前記乳化月見草種子油及び籾殻粉末と混合して粉末剤形化のための賦形剤と、
を含むγ−リノレン酸強化飼料添加剤。 Liquid or powdery emulsified evening primrose seed oil obtained by diluting evening primrose seed oil with water, and
Rice husk powder for mixing with the emulsified evening primrose seed oil to powder,
An excipient for powder formulation mixed with the emulsified evening primrose seed oil and rice husk powder;
A γ-linolenic acid enriched feed additive comprising 家禽類の給与用飼料に添加される請求項１に記載のγ−リノレン酸強化飼料添加剤。   The γ-linolenic acid-enriched feed additive according to claim 1, which is added to feed for poultry feeding. 前記乳化月見草種子油は、全飼料添加剤の総質量に対して２０〜４０質量％含まれる請求項１に記載のγ−リノレン酸強化飼料添加剤。   The γ-linolenic acid-enriched feed additive according to claim 1, wherein the emulsified evening primrose seed oil is contained in an amount of 20 to 40% by mass based on the total mass of the total feed additive. 請求項１から３いずれか記載の飼料添加剤を含有するγ−リノレン酸強化飼料組成物。   A γ-linolenic acid-enriched feed composition comprising the feed additive according to any one of claims 1 to 3. 月見草種子油を乳化剤及び水と混合して月見草種子油の希釈液を製造するステップと、
前記月見草種子油の希釈液を濃縮して液状または粉末状の乳化月見草種子油を得るステップと、
前記液状または粉末状の乳化月見草種子油を籾殻粉末及び粉末剤形化のための賦形剤と混合して粉末化するステップと、
を含むγ−リノレン酸強化飼料添加剤の製造方法。 Mixing evening primrose seed oil with emulsifier and water to produce a dilution of evening primrose seed oil;
Concentrating a dilution of the evening primrose seed oil to obtain a liquid or powdered emulsified evening primrose seed oil;
Mixing the liquid or powdered emulsified evening primrose seed oil with rice husk powder and excipients for powder formulation;
The manufacturing method of the (gamma)-linolenic acid reinforcement | strengthening feed additive containing this. 前記乳化月見草種子油を、全飼料添加剤の総質量に対して２０〜４０質量％含まれるように混合する請求項５に記載のγ−リノレン酸強化飼料添加剤の製造方法。   The method for producing a γ-linolenic acid-enriched feed additive according to claim 5, wherein the emulsified evening primrose seed oil is mixed so as to be contained in an amount of 20 to 40% by mass with respect to the total mass of the total feed additive. 前記籾殻粉末を、全飼料添加剤の総質量に対して３０〜３５質量％含まれるように混合する請求項５に記載のγ−リノレン酸強化飼料添加剤の製造方法。   The method for producing a γ-linolenic acid-enriched feed additive according to claim 5, wherein the rice husk powder is mixed so as to be contained in an amount of 30 to 35% by mass with respect to a total mass of the total feed additive. 前記月見草種子油の希釈液を製造するステップにおいて、月見草種子油、水、及び乳化剤の質量％比が５０〜６０％：４０〜７０％：０．１〜１０％である請求項５に記載のγ−リノレン酸強化飼料添加剤の製造方法。   6. The step of producing a dilution of evening primrose seed oil, wherein the mass% ratio of evening primrose seed oil, water, and emulsifier is 50-60%: 40-70%: 0.1-10%. A method for producing a γ-linolenic acid-enriched feed additive. 前記乳化剤が、全飼料添加剤の総質量に対して０．１〜５質量％のソルビタン脂肪酸エステル、０．１〜５質量％のポリオキシエチレンソルビタン脂肪酸エステル、及び０．１〜１質量％のポリオキシエチレングリセリンモノオレエートを含む請求項８に記載のγ−リノレン酸強化飼料添加剤の製造方法。   The said emulsifier is 0.1-5 mass% sorbitan fatty acid ester with respect to the total mass of all feed additives, 0.1-5 mass% polyoxyethylene sorbitan fatty acid ester, and 0.1-1 mass%. The method for producing a γ-linolenic acid-enriched feed additive according to claim 8, comprising polyoxyethylene glycerin monooleate. 前記乳化月見草種子油を得るステップが、
前記月見草種子油の希釈液を高濃度に濃縮する濃縮ステップと、
前記濃縮された希釈液を撹拌して液状または粉末状の乳化月見草種子油を得るステップと、を含む請求項５に記載のγ−リノレン酸強化飼料添加剤の製造方法。 Obtaining the emulsified evening primrose seed oil,
A concentration step of concentrating the diluted evening primrose seed oil to a high concentration;
The method for producing a γ-linolenic acid-enriched feed additive according to claim 5, comprising stirring the concentrated diluent to obtain a liquid or powdered emulsified evening primrose seed oil. 前記飼料添加剤が、養鶏生産物を生産するための家禽類の給与用飼料に添加される請求項５に記載のγ−リノレン酸強化飼料添加剤の製造方法。   The method for producing a γ-linolenic acid-enriched feed additive according to claim 5, wherein the feed additive is added to feed for poultry feeding for producing a poultry product.
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