CN101828638A - Rumen bypass methionine protective preparation - Google Patents
Rumen bypass methionine protective preparation Download PDFInfo
- Publication number
- CN101828638A CN101828638A CN200910094212A CN200910094212A CN101828638A CN 101828638 A CN101828638 A CN 101828638A CN 200910094212 A CN200910094212 A CN 200910094212A CN 200910094212 A CN200910094212 A CN 200910094212A CN 101828638 A CN101828638 A CN 101828638A
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- Prior art keywords
- methionine
- fat
- rumen bypass
- protective preparation
- rumen
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Abstract
The invention discloses a rumen bypass methionine protective preparation comprising the following components by weight proportion: 30-36% of methionine, 50-58% of fat (beef tallow) and 6-20% of mountain flour. The fat coated methionine of the invention not only has greatly lower price than that of a commercial rumen bypass methionine product, but also can obviously improve the rumen bypass efficiency of the methionine, increase the utilization efficiency of high-quality proteins, obviously improve the milk yields of dairy cows and lactoprotein and lactose contents, has the same application effect on the dairy cows as that of a commercial product and has larger potential and market on generalization and application in production.
Description
One, technical field
The present invention relates to feed formulations development technique field, the protection preparation that particularly a kind of rumen bypass protein feed is used.
Two, background technology
Be degraded under the effect of secreted various protease, peptase and deaminase of rumen microorganism release peptide, amino acid and ammonia of nitrogen source provides the nutriment of growth of microorganism in the feed, synthetic animalcule albumen-high-quality protein, this degraded is of great value for the NPN proteinoid, then is a kind of waste for high-quality protein.Generally speaking, rumen microorganism albumen (MCP) can satisfy the needs of ruminant, but the requirement of protein is bigger under the high yield situation, and only microprotein can not meet the needs of production, and needs the extra amino acid that replenishes.Protein is one of major limitation nutritional labeling of cow in milk daily ration, because most of dietary protein is degraded in cud, and the amount of the synthetic MCP of rumen microorganism is limited, thereby the higher daily ration of the protein content of feeding, and is not to improve the effective ways that cow protein is supplied with.For overcoming the ineffectivity of albumen, advocate and use the rumen bypass protein feed.
Though it is external quite deep about the research of rumen-protected property methionine; and also come into operation the cattle farm preferably at some; but the domestic conceptual phase that is in mostly; research about rumen bypass methionine is reported seldom; and the rumen bypass methionine product on the market also seldom; its price is also comparatively expensive, is difficult to apply in basic unit.
Three, summary of the invention
The purpose of this invention is to provide a kind of rumen bypass methionine protective preparation,
A kind of rumen bypass methionine protective preparation is made up of methionine, fat (butter) and stone flour, more than three components weight proportion specifically:
Methionine is 30-36%, and fat (butter) is 50-58%, stone flour 6-20%.
Methionine, butter and stone flour are mixed down at 60 ℃ according to the above ratio, then the gained mixture is placed on rapid cryocoagulation in the refrigerator-freezer, and makes graininess, become the fat bag by methionine.
Fat bag of the present invention by methionine not only price be significantly less than commercially available rumen bypass methionine product, and it can obviously improve methionine by cud efficient, improve the good protein utilization ratio, significantly improve milk production of cow, lactoprotein and lactose content, effect on milk cow is applied bigger potentiality and market aborning not second to the commercially available prod.
Four, the specific embodiment:
A kind of rumen bypass methionine protective preparation is made up of methionine, fat (butter) and stone flour; by two factors, three levels design iterations is arranged, raw material adopts DL-methionine, butter (58 ℃-60 ℃ of fusing points), calcium carbonate, artificial saliva, commercially available microcapsules methionine.
Research fat ratio (50%, 54%, 58%), methionine ratio (30%, 33%, 36%) (part of fat and methionine sum less than 100 adds calcium carbonate and supplies) make up the fat bag by the influence of methionine solubility in artificial saliva.
The fat bag of research best of breed is the methionine disappearance rate in cud by methionine and commercially available microcapsules methionine, determines the technology of methionine protective preparation.
Concrete operations:
DL-methionine, butter and stone flour are mixed down at 60 ℃ in proportion, then the gained mixture is placed on rapid cryocoagulation in the refrigerator-freezer, before the experiment it is made graininess.
The solubility test of ruminally-protected methionine in artificial saliva: accurately take by weighing 1g microcapsules methionine or fat bag by methionine; put into the centrifuge tube of 100ml; add the 50ml artificial saliva; cover tight plug; digestion 6 hours (vibrating 1 time every 1 hour in the digestion process) in 39 ℃ constant temperature shaking bath pot; content with methionine in the iodimetric titration indirect determination solution calculates the solubility of methionine in artificial saliva.
Ruminally-protected methionine preparation disappearance rate in cud is measured: take by weighing about 35 ℃ of air-dry sample 5g of baking oven; put into Nylon Bag; tightly wrap Nylon Bag with rubber band, put into cud abdomen Nang Chu in back 1 hour in raising, the other end of pipe hangs over fistula beyond the Great Wall with nylon rope.Took out after 2,6,12,24,36,48 hours respectively then, the Nylon Bag of taking-up connects plastic tube and washes under running water immediately, puts into water then and soaks 55 minutes, rinsing 1 minute under the running water of medium flow rate again.Nylon Bag after the washing places 35 ℃ baking oven to dry, and measures in the washing sample in the different time points content of residual methionine in the Nylon Bag then.
Result of the test:
1, the fat bag is by the solubility of methionine in artificial saliva
Can find out that from following table fat is that influence is wrapped by the principal element of methionine solubility in artificial saliva (p＜0.05), along with the raising of fat ratio, solubility reduces.The methionine ratio is less to the influence of solubility, raises but improve first the reduction afterwards of solubility with the methionine ratio.Incompatible from best group, fat is 58%, and methionine is 33%, and stone flour is that the bag of 9% combination is minimum by methionine solubility, and comprehensive suite is determined that by factors such as efficient this ratio is a best of breed.
The fat bag is digested 6 hours solubility (%) by methionine in artificial saliva
2, the degradation rate of protectiveness methionine preparation in cud
Can find out that from following table protectiveness methionine product is along with the prolongation in the cud time, its methionine disappearance rate obviously increases.Is 5.6,10.8,16.0,21.2,25.6,30.2% at 2,6,12,24,36,48 time points fat bag by the methionine cud disappearance rate of methionine, and the methionine disappearance rate of commercially available microcapsules methionine is respectively: 11.0,15.9,18.5,26.5,31.6,34.9%.The fat bag is respectively 14.4 and 18.5% by methionine, the effective degradation rate of commercially available microcapsules methionine (K=0.08), crosses the cud rate and is respectively 85.6 and 81.5%.At each time point, the degradation rate of microencapsulation methionine all is higher than the fat bag by methionine, illustrates that fat bag methionine effect is better than commercially available microcapsules methionine.
The cud degradation rate (%) of different methionine preparations
Claims (2)
1. rumen bypass methionine protective preparation, it is characterized in that: form its weight proportion by methionine, fat (butter) and stone flour: methionine is 30-36%, fat (butter) is 50-58%, stone flour 6-20%.
2. a kind of rumen bypass methionine protective preparation according to claim 1 is characterized in that: the optimum weight proportioning of methionine, fat (butter) and stone flour is that methionine is 33%, and fat (butter) is 58%, and stone flour is 9%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910094212 CN101828638B (en) | 2009-03-13 | 2009-03-13 | Rumen bypass methionine protective preparation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910094212 CN101828638B (en) | 2009-03-13 | 2009-03-13 | Rumen bypass methionine protective preparation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101828638A true CN101828638A (en) | 2010-09-15 |
| CN101828638B CN101828638B (en) | 2012-12-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910094212 Expired - Fee Related CN101828638B (en) | 2009-03-13 | 2009-03-13 | Rumen bypass methionine protective preparation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101828638B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108029873A (en) * | 2017-12-28 | 2018-05-15 | 长沙善道新材料科技有限公司 | A kind of feed additive for ruminant |
| CN111480738A (en) * | 2020-05-13 | 2020-08-04 | 上海美农生物科技股份有限公司 | Rumen-protected lysine and preparation method thereof |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101011088A (en) * | 2007-02-14 | 2007-08-08 | 中国农业科学院北京畜牧兽医研究所 | Finite baby meal |
| CN101112225B (en) * | 2007-08-31 | 2011-12-14 | 内蒙古伊利实业集团股份有限公司 | Functional feedstuff composition for feeding heavy milk producing cows |
-
2009
- 2009-03-13 CN CN 200910094212 patent/CN101828638B/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108029873A (en) * | 2017-12-28 | 2018-05-15 | 长沙善道新材料科技有限公司 | A kind of feed additive for ruminant |
| CN111480738A (en) * | 2020-05-13 | 2020-08-04 | 上海美农生物科技股份有限公司 | Rumen-protected lysine and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN101828638B (en) | 2012-12-05 |
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