JP2010220535A - Artificial milk for calf under three months old, increased in gain result and feed efficiency - Google Patents

Artificial milk for calf under three months old, increased in gain result and feed efficiency Download PDF

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JP2010220535A
JP2010220535A JP2009071118A JP2009071118A JP2010220535A JP 2010220535 A JP2010220535 A JP 2010220535A JP 2009071118 A JP2009071118 A JP 2009071118A JP 2009071118 A JP2009071118 A JP 2009071118A JP 2010220535 A JP2010220535 A JP 2010220535A
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feed
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artificial milk
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Atsushi Kakihara
篤志 柿原
Kazutoshi Toyomaki
和俊 豊巻
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Kyodo Shiryo Kk
協同飼料株式会社
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Abstract

<P>PROBLEM TO BE SOLVED: To provide artificial milk for calf under three months old, for increasing protein to be practically absorbed in the small intestines and simultaneously supplying an energy source with a high body energy efficiency to the calf under three months old. <P>SOLUTION: The artificial milk for the calf is such that a linoleic acid content is 1.8-2.6 wt.% and a linolenic acid content is 0.2-1.0 wt.% in the whole feed, and a ratio of linolenic acid/linoleic acid is 3-10, and 7.5-9.5 wt.% of protein with high rumen bypassing properties is mixed. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

本発明は、3ヶ月齢未満の子牛用飼料に関する。詳しくは、子牛の発育成績と飼料効率が優れた牛人工乳に関する。   The present invention relates to a feed for calves less than 3 months of age. Specifically, the present invention relates to a cow artificial milk having excellent calf growth performance and feed efficiency.
エネルギー供給量を高めるために、牛に脂肪酸カルシウムを給与する技術がある(非特許文献1)が、一般的に脂肪酸カルシウムは嗜好性が悪いことから、特に嗜好性に敏感な3ヶ月齢未満の子牛用飼料としてはあまり普及していなかった。
また、従来の脂肪酸カルシウムは、主にパーム油由来の脂肪酸であることから、3ヶ月齢未満の子牛に、これら脂肪酸カルシウムを給与しても、十分な必須脂肪酸が供給できていない問題点があった。
In order to increase energy supply, there is a technique to feed fatty acid calcium to cattle (Non-Patent Document 1). However, since fatty acid calcium is generally poor in palatability, it is especially less than 3 months of age that is sensitive to palatability. It was not very popular as a calf feed.
Moreover, since conventional fatty acid calcium is mainly fatty acid derived from palm oil, even if these fatty acid calcium is fed to calves younger than 3 months, there is a problem that sufficient essential fatty acids cannot be supplied. there were.
さらに、3ヶ月齢未満の子牛は、ルーメンが未発達であることから、小腸に移行するルーメン微生物由来の蛋白質の供給量が少なく、従来の人工乳の給与では、小腸で吸収される蛋白質が十分に供給されず、骨格形成や筋肉形成に必要な蛋白質がまかなえないという問題点もあった。   In addition, calves younger than 3 months have less developed rumen, so the amount of protein derived from rumen microorganisms that migrates to the small intestine is low, and with conventional artificial milk feeding, there is no protein absorbed in the small intestine. There was also a problem that the protein required for skeleton formation and muscle formation could not be provided due to insufficient supply.
3ヶ月齢未満の子牛にとって、小腸で実際に吸収される蛋白質を高めることと、同時に体内エネルギー効率の高いエネルギー源を供給することは、体形成に必要な蛋白質の有効的利用の観点から重要なことであるが、エネルギー効率を高めるための必須脂肪酸供給量は、実際は不足がちである。   For calves younger than 3 months old, it is important from the viewpoint of effective use of proteins necessary for body formation to increase the protein that is actually absorbed in the small intestine and at the same time to supply an energy source with high body energy efficiency In fact, the essential fatty acid supply to increase energy efficiency tends to be insufficient.
このように、従来の3ヶ月齢未満の子牛用人工乳として、小腸で実際に吸収される蛋白質を高めることと、同時に体内エネルギー効率の高いエネルギー源を供給することを実現するという観点からの設計がなされていなかった。   In this way, as a conventional calf milk under 3 months old, from the viewpoint of realizing a protein that is actually absorbed in the small intestine and simultaneously supplying an energy source with high body energy efficiency The design was not made.
必須脂肪酸の給与については、6ヵ月齢以上の反芻動物に対し、オレイン酸とリノール酸を含む高級脂肪酸の金属塩を給与することで、増体成績の向上を図ることが特許文献1で提案されているが、3ヶ月齢未満の子牛に対する必須脂肪酸の給与は示唆されていない。   Regarding the supply of essential fatty acids, Patent Document 1 proposes to improve body weight gain performance by feeding metal salts of higher fatty acids containing oleic acid and linoleic acid to ruminants over 6 months of age. However, the supply of essential fatty acids to calves younger than 3 months is not suggested.
特許第3148318号Japanese Patent No. 3148318
本発明は、3ヶ月齢未満の子牛に対し、小腸で実際に吸収される蛋白質を高めることができ、同時に体内エネルギー効率の高いエネルギー源を供給することができる3ヶ月齢未満の子牛用人工乳を提供することを目的とする。   The present invention is for calves younger than 3 months old that can increase the protein actually absorbed in the small intestine for calves younger than 3 months old and at the same time supply an energy source with high body energy efficiency The purpose is to provide artificial milk.
本発明者らは、3ヶ月齢未満の子牛用人工乳について、種々研究した結果、近年市販されている脂肪酸は、嗜好性が改善されていることから、所定量であれば、リノール酸・リノレン酸含量を高含量で含む脂肪酸を牛人工乳に配合することで、子牛に摂取させることができ、必須脂肪酸自体の摂取量が増加すること、さらに、リノール酸/リノレン酸比を3〜10の範囲に調整する事で、よりエネルギーの利用効率が高まること、さらに、エネルギー効率を高めた状態でルーメンバイパス性の高い蛋白質を給与すると子牛の小腸で吸収される蛋白質量が増加し、蛋白質とエネルギーのバランスを整えられること、を見出し、本発明に至ったものである。   As a result of various studies on calf milk under 3 months of age, the present inventors have recently improved the palatability of fatty acids on the market. By blending fatty acid containing a high content of linolenic acid into bovine artificial milk, the calf can be ingested, the intake of essential fatty acid itself increases, and the linoleic acid / linolenic acid ratio is 3 to 3 By adjusting to the range of 10, the use efficiency of energy is further increased, and further, when protein with high rumen bypass property is fed with the energy efficiency increased, the amount of protein absorbed in the calf's small intestine increases, The present inventors have found that the balance between protein and energy can be adjusted, and have arrived at the present invention.
本発明の実施の態様は、以下のとおりである。
(1)全飼料中のリノール酸含量を1.8〜2.6重量%、リノレン酸含量を0.2〜1.0重量%としたことを特徴とする3ヶ月齢未満の子牛用人工乳。
(2)リノレン酸/リノール酸比を3〜10としたことを特徴とする(1)記載の子牛用人工乳。
(3)さらに、ルーメンバイパス性の高い蛋白質を7.5〜9.5重量%配合したことを特徴とする(1)または(2)記載の子牛用人工乳。
Embodiments of the present invention are as follows.
(1) Calf artificial under 3 months old characterized in that linoleic acid content in whole feed is 1.8-2.6 wt% and linolenic acid content is 0.2-1.0 wt% milk.
(2) Calf artificial milk according to (1), wherein the linolenic acid / linoleic acid ratio is 3-10.
(3) The calf artificial milk according to (1) or (2), further comprising 7.5 to 9.5% by weight of a protein having a high lumen bypass property.
本発明によれば、リノール酸・リノレン酸を高含量で含む脂肪酸を所定量配合することにより、必須脂肪酸を十分に供給できる3ヶ月齢未満の子牛用人工乳を提供することができる。   ADVANTAGE OF THE INVENTION According to this invention, the formula for calf less than 3 months old which can fully supply an essential fatty acid can be provided by mix | blending a predetermined amount of the fatty acid which contains linoleic acid and linolenic acid in high content.
さらに、リノール酸/リノレン酸比を3〜10の範囲に調整することで、よりエネルギーの利用効率を高めることができる。   Furthermore, energy utilization efficiency can be further increased by adjusting the linoleic acid / linolenic acid ratio to a range of 3 to 10.
また、エネルギー効率を高めた状態において、ルーメンバイパス性の高い蛋白質源である飼料原料を用いて、牛人工乳中のバイパス蛋白質(RUP)含量を高めることで、子牛の小腸で吸収される蛋白質量が増加し、蛋白質とエネルギーのバランスを整えることが可能となる。   In addition, in a state where energy efficiency is increased, a feed ingredient that is a protein source with a high rumen bypass property is used to increase the content of bypass protein (RUP) in bovine artificial milk, so that it can be absorbed in the small intestine of calves. The amount increases and it is possible to balance the protein and energy.
本発明によれば、3ヶ月齢未満の子牛に対し、小腸で実際に吸収される蛋白質を高めることができ、同時に体内エネルギー効率の高いエネルギー源を供給することができるので、子牛の増体成績を効果的に向上させることができる。   According to the present invention, it is possible to increase the protein that is actually absorbed in the small intestine for calves younger than 3 months of age, and at the same time, supply an energy source with high body energy efficiency. Physical performance can be improved effectively.
本発明の牛人工乳とは、生後3ヶ月未満の子牛に給与する飼料のことをいう。   The bovine artificial milk of the present invention refers to a feed fed to calves less than 3 months old.
本発明で使用される必須脂肪酸源としては、リノール酸およびリノレン酸の含有量が多い、トウモロコシ、大豆、綿実、大麦、小麦、ライ麦、えん麦、米、ナタネ、アマニ、マイロ、ルーピンの他、エゴマ、ゴマ、ひまわり、サフラワー、シソ等が挙げられる。これらの植物種実から搾油した油脂は、液体油脂または乾燥粉末油脂の形態で使用してもよいが、製造時や原料保管時の便利性を考慮すると、脂肪酸カルシウムの形態とするのが好ましい。
さらに、上記植物種実自体、または種実の副産物、例えば、加熱処理大豆(キナコ等)、高油脂アマニ粕、米ぬか、等の油脂含量の高い副産物をリノール酸およびリノレン酸源として飼料に配合してもよい。
また、リノレン酸とリノール酸の比率は、それぞれの原料中のリノール酸とリノレン酸含量を勘案して、単独もしくは2種以上の油脂を適宜配合比率を変えることで調整が可能である。
As the essential fatty acid source used in the present invention, corn, soybean, cottonseed, barley, wheat, rye, oats, rice, rapeseed, flaxseed, milo, lupine, with a high content of linoleic acid and linolenic acid, Examples include egoma, sesame, sunflower, safflower, and perilla. The oils and fats extracted from these plant seeds may be used in the form of liquid oils or dry powder oils and fats, but in view of convenience during production and storage of raw materials, it is preferable to use the form of fatty acid calcium.
Further, the above-mentioned plant seeds or by-products of seeds such as heat-treated soybeans (such as quinako), high-fat flaxseed meal, rice bran, etc. Good.
Further, the ratio of linolenic acid and linoleic acid can be adjusted by changing the blending ratio of one or two or more oils and fats appropriately in consideration of the contents of linoleic acid and linolenic acid in each raw material.
牛人工乳中のリノール酸含量は、1.8〜2.6重量%、また、リノレン酸含量は、0.2〜1.0重量%の範囲内とするのが好ましい。
リノレン酸やリノール酸など必須脂肪酸の含量がこの範囲を超えても、それ以上の効果が見込まれず、この範囲未満では、必須脂肪酸の供給量が不足するという問題がある。
The linoleic acid content in the bovine artificial milk is preferably 1.8 to 2.6% by weight, and the linolenic acid content is preferably in the range of 0.2 to 1.0% by weight.
If the content of essential fatty acids such as linolenic acid and linoleic acid exceeds this range, no further effect is expected, and if it is less than this range, there is a problem that the supply amount of essential fatty acids is insufficient.
本発明で用いられるルーメンバイパス性の高い蛋白質とは、原料中の粗蛋白質のルーメンバイパス率が50%以上のものをいい、そのような粗蛋白質を含む原料としては、加糖加熱処理大豆油かす、キナコ、コーングルテンミール、ルーメンバイパス加工された植物性油かす類やアミノ酸製剤等が挙げられる。これらの飼料原料は1種もしくは2種以上を混合して使用する。   The protein with high rumen bypass property used in the present invention refers to a raw protein having a rumen bypass rate of 50% or more in the raw material, and as a raw material containing such a crude protein, sweetened heat-treated soybean oil residue, Examples include kinaco, corn gluten meal, rumen bypass processed vegetable oil cake and amino acid preparations. These feed materials are used alone or in combination.
これら蛋白質の総量は、全配合飼料中7.5〜9.5重量%であることが好ましい。蛋白質の量が7.5重量%未満では小腸で吸収される蛋白質量が不足し、増体成績が劣り、9.5重量%を超えると過剰な蛋白質の供給により、飼料効率が低下したり、下痢・軟便の発生率が高まるという問題がある。   The total amount of these proteins is preferably 7.5 to 9.5% by weight in the total mixed feed. If the amount of protein is less than 7.5% by weight, the amount of protein absorbed in the small intestine will be insufficient, resulting in poor weight gain, and if it exceeds 9.5% by weight, feed efficiency will decrease due to excessive protein supply, There is a problem that the incidence of diarrhea and loose stool increases.
本発明の人工乳の給与は、哺乳子牛に対しては、本発明の人工乳を母乳もしくは代用乳と一緒に給与し、離乳子牛に対しては、本発明の人工乳を単独で給与、または粗飼料との併用給与とする。   The artificial milk of the present invention is fed to the calf with the artificial milk of the present invention together with breast milk or milk substitute, and to the weaned calf alone with the artificial milk of the present invention. Or combined with roughage.
<脂肪酸カルシウム給与が子牛の発育に及ぼす影響>
約1ヶ月齢の子牛を用い、表1に示される3種類の試験飼料を49日間給与し、増体成績・飼料効率を調査した。試験結果、増体成績・飼料効率は下記表2のとおり。
対照区:脂肪酸カルシウム無添加
試験区1:パーム油由来の脂肪酸カルシウムを添加
試験区2:大豆・菜種油およびアマニ油由来の脂肪酸カルシウムを添加
<Effect of fatty acid calcium supplement on calf growth>
About 1 month old calf was used, and the three kinds of test feeds shown in Table 1 were fed for 49 days, and the weight gain performance and feed efficiency were investigated. Test results, weight gain results and feed efficiency are shown in Table 2 below.
Control group: No fatty acid calcium added Test group 1: Palm oil-derived fatty acid calcium added Test group 2: Soybean / rapeseed oil and linseed oil-derived fatty acid calcium added
試験1区は、対照区に比べ、増体成績はほぼ同等であったが、飼料効率が大幅に改善された。この結果から、従来の脂肪酸カルシウムを給与することで、発育成績の改善につながることが示された。
さらに、試験2区の結果を見ると、増体重・飼料効率共に、対照区・試験1区よりも優れる結果となった。この結果から、リノール酸・リノレン酸を高含量で含む脂肪酸カルシウムを配合した人工乳の給与は、発育成績を効果的に改善させることが示された。
The test 1 group had almost the same weight gain as the control group, but the feed efficiency was greatly improved. From this result, it was shown that feeding the conventional fatty acid calcium leads to improvement of growth performance.
Furthermore, looking at the results of the test group 2, both weight gain and feed efficiency were superior to the control group and the test group 1. From this result, it was shown that feeding artificial milk containing fatty acid calcium containing a high content of linoleic acid / linolenic acid effectively improved the growth performance.
<リノール酸・リノレン酸の含量の差が子牛の発育成績に及ぼす影響>
約1ヶ月齢の子牛を用い、リノール酸・リノレン酸含量を変えた6種類の試験飼料(表3)を49日間給与し、増体成績・飼料効率を調査した。試験結果は下記表4のとおり。
試験区1:リノール酸含量が1.6%、リノレン酸含量が0.1%の試験飼料
試験区2:リノール酸含量が1.8%、リノレン酸含量が0.2%の試験飼料
試験区3:リノール酸含量が2.0%、リノレン酸含量が0.4%の試験飼料
試験区4:リノール酸含量が2.2%、リノレン酸含量が0.6%の試験飼料
試験区5:リノール酸含量が2.4%、リノレン酸含量が0.8%の試験飼料
試験区6:リノール酸含量が2.6%、リノレン酸含量が1.0%の試験飼料
<Effect of difference in linoleic acid and linolenic acid content on growth performance of calves>
About 1 month old calf was used, and 6 kinds of test feeds (Table 3) with different linoleic acid and linolenic acid contents were fed for 49 days, and the weight gain and feed efficiency were investigated. The test results are shown in Table 4 below.
Test plot 1: Test feed with linoleic acid content of 1.6% and linolenic acid content of 0.1% Test plot 2: Test feed with linoleic acid content of 1.8% and linolenic acid content of 0.2% Test plot 3: Linoleic acid content of 2.0% Test feed with linolenic acid content of 0.4% Test plot 4: Test feed with linoleic acid content of 2.2% and linolenic acid content of 0.6% Test plot 5: Test feed with linoleic acid content of 2.4% and linolenic acid content of 0.8% Test plot 6: Test feed with a linoleic acid content of 2.6% and a linolenic acid content of 1.0%
リノール酸・リノレン酸含量の高い脂肪酸カルシウムを添加した試験2〜6区は、添加していない試験1区に比べ、増体成績および飼料効率が改善された。
また、脂肪酸カルシウムの添加量が高まるに従い、飼料摂取量は低下するものの、飼料効率が改善されることで、増体成績が高まる結果となった。
以上のことから、牛人工乳にリノール酸を1.8〜2.6%、リノレン酸を0.2〜1.0%の範囲内になるように配合することで、発育成績および飼料効率が改善されることが分った。
Tests 2-6, in which fatty acid calcium having a high linoleic acid / linolenic acid content was added, showed an improvement in body weight gain and feed efficiency compared to test 1 where no fatty acid was added.
In addition, as the amount of fatty acid calcium added increased, feed intake decreased, but feed efficiency was improved, resulting in increased body weight gain.
From the above, it was found that growth performance and feed efficiency were improved by adding linoleic acid to bovine artificial milk so that it was within the range of 1.8 to 2.6% and linolenic acid within the range of 0.2 to 1.0%. .
<リノール酸・リノレン酸比率が子牛の発育に及ぼす影響>
約1ヶ月齢の子牛を用い、リノール酸・リノレン酸比率を変えた4種類の試験飼料(表5)を49日間給与し、増体成績・飼料効率を調査した。試験結果・飼料効率は下記表6のとおり。
試験区1:リノール酸/リノレン酸比率が20
試験区2:リノール酸/リノレン酸比率が10
試験区3:リノール酸/リノレン酸比率が7
試験区4:リノール酸/リノレン酸比率が3
<Effects of linoleic acid / linolenic acid ratio on calf growth>
About 1 month old calf was used, and 4 types of test feeds (Table 5) with different linoleic acid / linolenic acid ratios were fed for 49 days, and the weight gain and feed efficiency were investigated. The test results and feed efficiency are shown in Table 6 below.
Test section 1: The ratio of linoleic acid / linolenic acid is 20
Test section 2: Linoleic acid / linolenic acid ratio is 10
Test plot 3: linoleic / linolenic acid ratio is 7
Test section 4: Linoleic acid / linolenic acid ratio is 3
増体成績は各試験区間に大きな差は見られなかったが、飼料効率は、試験1が、他の3区よりも劣った。これら結果から、リノール酸・リノレン酸を高含量で含む脂肪酸カルシウムを人工乳に配合する際、リノール酸・リノレン酸比率が3〜10の範囲内に設定することで、より効率良く発育が改善されることが示された。   There was no significant difference in weight gain between each test section, but the feed efficiency was lower in Test 1 than in the other three sections. From these results, when fatty acid calcium containing a high content of linoleic acid / linolenic acid is added to artificial milk, the ratio of linoleic acid / linolenic acid is set within the range of 3 to 10 to improve growth more efficiently. Rukoto has been shown.
<ルーメンバイパス率の含量が子牛の発育に及ぼす影響>
約1ヶ月齢の子牛を用い、RUP含量の異なる試験飼料(表7)を49日間給与し、増体成績・飼料効率を調査した。また、RUP源として、加糖加熱処理大豆を用いた。増体成績・飼料効率は下記表8のとおり。
対照区:RUP含量が7.0%の試験飼料(加糖加熱処理大豆粕なし)
試験区1:RUP含量が7.5%の試験飼料(加糖加熱処理大豆粕使用)
試験区2:RUP含量が8.0%の試験飼料(加糖加熱処理大豆粕使用)
試験区3:RUP含量が8.5%の試験飼料(加糖加熱処理大豆粕使用)
試験区4:RUP含量が9.0%の試験飼料(加糖加熱処理大豆粕使用)
試験区5:RUP含量が9.5%の試験飼料(加糖加熱処理大豆粕使用)
<Effects of rumen bypass rate on calf growth>
About 1 month old calf was used, and the test feed (Table 7) with different RUP contents was fed for 49 days, and the weight gain and feed efficiency were investigated. Moreover, the sweetened heat processing soybean was used as a RUP source. Weight gain results and feed efficiency are shown in Table 8 below.
Control group: Test feed with RUP content of 7.0% (no sweetened heat-treated soybean meal)
Test plot 1: Test feed with a RUP content of 7.5% (using sweetened heat-treated soybean meal)
Test plot 2: Test feed with RUP content of 8.0% (using sweetened heat-treated soybean meal)
Test plot 3: Test feed with an RUP content of 8.5% (using sweetened heat-treated soybean meal)
Test plot 4: Test feed with a RUP content of 9.0% (using sweetened heat-treated soybean meal)
Test plot 5: Test feed with RUP content of 9.5% (uses sweetened heat-treated soybean meal)
加糖加熱処理大豆粕を配合し、飼料中のRUP含量を高めた試験1〜5区の増体成績および飼料効率は、何れも試験1区よりも高い結果となった。
これら結果から、ルーメンバイパス蛋白質源である加糖加熱処理大豆を用いてRUP含量を飼料中7.5〜9.5%に高めることで、発育成績および飼料効率が改善することが分った。
The results of weight gain and feed efficiency in Tests 1 to 5 in which sweetened heat-treated soybean meal was added and the RUP content in the feed was increased were higher than those in Test 1.
From these results, it was found that the growth performance and feed efficiency were improved by increasing the RUP content to 7.5 to 9.5% in the feed using the sweetened heat-treated soybean which is a rumen bypass protein source.
<ルーメンバイパス率が高い各種蛋白質源(加糖加熱処理大豆粕、キナコ、コーングルテンミール)の給与が子牛の発育に及ぼす影響>
約1ヶ月齢の子牛を用い、各種ルーメンバイパス率が高い蛋白質源を配合した試験飼料(表9)を49日間給与し、増体成績・飼料効率を調査した。増体成績・飼料効率は下記表10のとおり。
対照区:ルーメンバイパス性の高い蛋白質源を配合していない人工乳
試験区1:加糖加熱処理大豆油かすを配合した人工乳
試験区2:キナコを配合した人工乳
試験区3:コーングルテンミールを配合した人工乳
試験区4:加糖加熱処理大豆油粕・キナコ・コーングルテンミールを配合した人工乳
<Effects of feeding various protein sources with high rumen bypass rate (sweetened heat-treated soybean meal, quinaco, corn gluten meal) on calf growth>
About 1 month old calves were used for 49 days with a test diet (Table 9) containing a protein source with various rumen bypass rates, and their weight gain and feed efficiency were investigated. The weight gain and feed efficiency are shown in Table 10 below.
Control group: Artificial milk that does not contain a protein source with high rumen bypass properties Test area 1: Artificial milk that contains heat-treated sugar bean oil residue Test area 2: Artificial milk that contains kinaco Test area 3: Corn gluten meal Blended artificial milk Test area 4: Synthetic milk blended with sweetened heat-treated soybean oil cake, quinako and corn gluten meal
ルーメンバイパス性の高い加糖加熱処理大豆、キナコ・コーングルテンミールを配合した試験区は、対照区よりも増体重・飼料効率が高かった。
これら結果から、ルーメンバイパス性の高い蛋白質原料(加糖加熱処理大豆、キナコ・コーングルテンミール)を配合することで、増体重・飼料効率が改善されることが示された。
また、試験実施例4の結果と合わせて考察すると、ルーメンバイパス性の高い蛋白質源である加糖加熱処理大豆、キナコ・コーングルテンミールを用い、人工乳中のRUP含量を7.5〜9.5%の範囲内にすることで、発育成績および飼料効率が改善されることが示された。
The test group containing sweetened heat-treated soybean with high rumen bypass and quinaco corn gluten meal had higher weight gain and feed efficiency than the control group.
From these results, it was shown that weight gain and feed efficiency were improved by blending protein raw materials with high rumen bypass properties (sweetened heat-treated soybean, quinaco corn gluten meal).
In addition, when considered together with the results of Test Example 4, sweetened heat-treated soybean, quinaco corn gluten meal, which is a protein source with a high rumen bypass property, was used, and the RUP content in the artificial milk was in the range of 7.5 to 9.5%. It was shown that growth performance and feed efficiency improved.
<リノール酸・リノレン酸の含量および比率を調整し、さらにルーメンバイパス率が高い蛋白質源を用いてRUP含量を調整した人工乳の給与が子牛の発育に及ぼす影響>
約1ヶ月齢の子牛を用い、脂肪酸カルシウムを用いリノール酸/リノレン酸比率を整え、さらにルーメンバイパス率が高い蛋白質源を配合した試験飼料(表11)を49日間給与し、増体成績・飼料効率を調査した。増体成績・飼料効率は下記表12のとおり。
対照区:脂肪酸カルシウム・バイパス蛋白質を配合していない人工乳
試験区1:脂肪酸カルシウムを用いリノール酸・リノレン酸含量および比率を整えた人工乳
試験区2:ルーメンバイパス性の高い蛋白質源を用いてRUP含量を調整した人工乳
試験区3:脂肪酸カルシウムを用いリノール酸・リノレン酸含量および比率を整え、さらにルーメンバイパス率が高い蛋白質源のRUP含量を調整した人工乳
<Effects of feeding artificial milk with adjusted linoleic acid / linolenic acid content and ratio, and adjusted RUP content using a protein source with a high rumen bypass rate on calf growth>
Using a calf about 1 month old, adjusting the linoleic acid / linolenic acid ratio using fatty acid calcium, and feeding a test diet (Table 11) containing a protein source with a high rumen bypass rate for 49 days. The feed efficiency was investigated. Weight gain results and feed efficiency are shown in Table 12 below.
Control group: Artificial milk not containing fatty acid calcium bypass protein Test group 1: Artificial milk with fatty acid calcium and adjusted linoleic acid / linolenic acid content and ratio Test group 2: Using protein source with high rumen bypass Artificial milk with adjusted RUP content Test area 3: Artificial milk with adjusted linoleic / linolenic acid content and ratio using fatty acid calcium, and further adjusted RUP content of protein source with high rumen bypass rate
試験結果から、試験1区の方が、対照区よりも増体成績・飼料効率が改善され、試験実施例3と同様な結果となった。したがって、牛人工乳にリノール酸・リノレン酸含量の高い脂肪酸カルシウムを用い、リノール酸・リノレン酸含量および比率を調整することで、発育成績が高まることが示された。
また、試験2区は、対照区よりも増体成績・飼料効率が改善され、試験実施例4、5と同様な結果となった。したがって、牛人工乳にルーメンバイパス性の高い蛋白質原料を用い、RUP含量を調整することで、増体重・飼料効率が改善されることが示された。
試験3区は、対照区、試験1区および試験2区よりも増体成績・飼料効率がさらに改善される結果となった。
これら結果から、牛人工乳に、リノール酸・リノレン酸含量の高い脂肪酸カルシウムを用い、飼料中のリノール酸含量を1.8〜2.6%、リノレン酸含量を0.2〜1.0%の範囲内で、かつその比率を3〜10に調整し、さらにルーメンバイパス性の高い蛋白質を用いてRUP含量を7.5〜9.5%の範囲内に調整することで、3ヶ月齢未満の子牛の増体重・飼料効率が改善されることが示された。
From the test results, the test 1 group improved the weight gain and feed efficiency more than the control group, and the results were the same as in Test Example 3. Therefore, it has been shown that growth performance is enhanced by using fatty acid calcium having a high linoleic acid / linolenic acid content in bovine artificial milk and adjusting the linoleic acid / linolenic acid content and ratio.
In addition, the test 2 group improved the weight gain and feed efficiency compared to the control group, and the results were the same as those in Test Examples 4 and 5. Therefore, it was shown that weight gain and feed efficiency were improved by using a protein raw material with high rumen bypass property in cow milk and adjusting the RUP content.
The results of trial 3 group showed further improvement in weight gain and feed efficiency compared to control group, trial 1 group and trial 2 group.
From these results, fatty acid calcium with a high linoleic acid / linolenic acid content was used for bovine artificial milk, the linoleic acid content in the feed was within the range of 1.8 to 2.6%, the linolenic acid content within the range of 0.2 to 1.0%, and the ratio The weight gain and feed efficiency of calves younger than 3 months are improved by adjusting the RUP content to 7.5 to 9.5% using a protein with high rumen bypass properties. Rukoto has been shown.
本発明の人工乳を3ヶ月齢未満の子牛に給与すれば、子牛の増体重を高めることが出来、早期育成が可能となるので、乳牛であれば早い時期から乳生産が可能となり、肉用飼育であれば出荷時期を早めることが可能となる。また、飼料効率を改善することにより、飼料コストを低減することが可能となる。   If the artificial milk of the present invention is fed to calves younger than 3 months, the weight gain of the calves can be increased, and early breeding is possible, so if milking cows, milk production will be possible from an early stage, If it is breeding for meat, the shipping time can be advanced. Moreover, feed cost can be reduced by improving feed efficiency.

Claims (3)

  1. 全飼料中のリノール酸含量を1.8〜2.6重量%、リノレン酸含量を0.2〜1.0重量%としたことを特徴とする3ヶ月齢未満の子牛用人工乳。   An artificial milk for calves younger than 3 months, characterized in that the linoleic acid content in the whole feed is 1.8 to 2.6% by weight and the linolenic acid content is 0.2 to 1.0% by weight.
  2. リノレン酸/リノール酸比を3〜10としたことを特徴とする請求項1記載の子牛用人工乳。   2. The calf artificial milk according to claim 1, wherein the linolenic acid / linoleic acid ratio is 3 to 10.
  3. さらに、ルーメンバイパス性の高い蛋白質を7.5〜9.5重量%配合したことを特徴とする請求項1または2記載の子牛用人工乳。   The calf artificial milk according to claim 1 or 2, further comprising 7.5 to 9.5% by weight of a protein having a high rumen bypass property.
JP2009071118A 2009-03-24 2009-03-24 Artificial milk for calf under three months old, increased in gain result and feed efficiency Pending JP2010220535A (en)

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JP2016131529A (en) * 2015-01-20 2016-07-25 株式会社J−オイルミルズ Denatured soybean and feed using the same

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